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OBJECTIVES: Congenital adrenal hyperplasia (CAH) is an uncommon genetic disorder which affects cortisol production in the adrenal glands. It is usually treated with glucocorticoids. We present a case of non-classical CAH caused by the partial deficiency of 11 beta-hydroxylase (11ßOH) which was treated with aldosterone antagonist (eplerenone) monotherapy. CASE PRESENTATION: An adolescent male was diagnosed with 11 beta-hydroxylase deficiency (11ßOHD) at 13 years of age when he presented with hypertension, fatigue and headaches. He was initially treated with glucocorticoids, but requested an alternative therapy. Eplerenone was commenced at 25 mg with subsequent dose increases to 100 mg daily. His hypertension was controlled on this regimen, achieving a 24 h average blood pressure of 124/81 mmHg. CONCLUSIONS: CAH caused by 11ßOHD is a known cause of hypertension. It is usually managed with glucocorticoids, and antihypertensives are added if blood pressure remains uncontrolled. In this case, glucocorticoid therapy was not tolerated and treatment with aldosterone antagonist monotherapy was effective in controlling his hypertension.

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Background: It is unclear whether targeted monitoring of acute adrenal insufficiency (AI) related adverse events (AE) such as sick day episodes (SDEs) and hospitalization rate in congenital adrenal hyperplasia (CAH) is associated with a change in the occurrence of these events. Aim: Study temporal trends of AI related AE in the I-CAH Registry. Methods: In 2022, data on the occurrence of AI-related AE in children aged <18 years with 21-hydroxylase deficiency CAH were compared to data collected in 2019. Results: In 2022, a total of 513 children from 38 centers in 21 countries with a median of 8 children (range 1-58) per center had 2470 visits evaluated over a 3-year period (2019-2022). The median SDE per patient year in 2022 was 0 (0-2.5) compared to 0.3 (0-6) in 2019 (P = .01). Despite adjustment for age, CAH phenotype and duration of study period, a difference in SDE rate was still apparent between the 2 cohorts. Of the 38 centers in the 2022 cohort, 21 had also participated in 2019 and a reduction in SDE rate was noted in 13 (62%), an increase was noted in 3 (14%), and in 5 (24%) the rate remained the same. Of the 474 SDEs reported in the 2022 cohort, 103 (22%) led to hospitalization compared to 299 of 1099 SDEs (27%) in the 2019 cohort (P = .02). Conclusion: The I-CAH Registry can be used for targeted monitoring of important clinical benchmarks in CAH. However, changes in reported benchmarks need careful interpretation and longer-term monitoring.

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OBJECTIVES: Whole exome sequencing (WES) has emerged as the preferred method for diagnosing a range of Mendelian disorders. Nonetheless, the applicability of WES in genetic diagnosis of 21-hydroxylase deficiency (21-OHD) remains uncertain due to the intricacies involved in molecular analysis of the CYP21A2 gene. METHODS: In this case series, authors report the outcomes of couples or families who underwent WES followed by focused sequential strategy (FSS) targeting CYP21A2 gene hotspot mutations and targeted sequencing of genes associated with Congenital Adrenal Hyperplasia (CAH). RESULTS: This analysis revealed that WES, when compared to FSS, resulted in six false-negative findings out of seven subjects and one false-positive result. These results were corroborated through validation using Multiplex Ligation-Dependent Probe Amplification (MLPA) and Sanger sequencing. CONCLUSIONS: One major limitation of exome sequencing lies in target enrichment, which often achieves less than 95% coverage of the regions of interest, potentially leading to false negatives. This challenge is particularly pronounced when deciphering the complex genetics of 21-OHD, characterized by intricate pseudogene-derived rearrangements and gene conversions. Additionally, next-generation sequencing (NGS) analysis of the CYP21A2 gene is not straightforward due to reads aligning to pseudogene regions, necessitating stringent computational pipelines with defined targets. However, simple genotyping assays have shown a high positive yield of pseudogene-derived mutations in over 80% of cases, while targeted NGS can be valuable in subjects with initially negative results. Therefore, WES is not recommended as the primary testing method for 21-OHD and may be better suited for rare forms of CAH once CYP21A2 mutations have been ruled out.

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Maternal primary adrenal insufficiency (PAI) during pregnancy, due to either Addison disease (AD) or congenital adrenal hyperplasia (CAH), is rare. Only few studies have examined the subsequent important outcomes of maternal glucocorticoid and mineralocorticoid deficiencies during pregnancy upon the fetus and the neonate. Therefore, this systematic review and meta-analysis evaluated the impact of these deficiencies, with data from PubMed/Medline, Cochrane/CENTRAL, and Google Scholar. A total of 31 studies were included for qualitative analysis and 11 for quantitative analysis. Studies examining the prevalence of spontaneous abortion, preterm birth, the occurrence of small for gestational age (SGA) neonates, as well as the neonatal birth weight were included. The systematic review revealed a substantial number of spontaneous abortions, preterm births and SGA neonates in pregnant women with PAI. The meta-analysis showed a mean spontaneous abortion prevalence of 18%, 18% and 17% in women with PAI, AD or CAH, respectively. The mean preterm birth prevalence was 11% when women with AD or CAH were analyzed together, and 13% and 9% in women with AD or CAH, respectively, when these women were analyzed separately. The mean prevalence of SGA neonates was 8% when women with AD or CAH were analyzed together, and 5% and 10% in women with AD or CAH, respectively, when these women were analyzed separately. The mean fetal birth weight was within normalcy in all women with PAI, as well as in women with AD or CAH. In conclusion the executed systematic review of 31 studies followed by a meta-analysis of 11 studies in pregnant women with PAI has shown a greater prevalence of pregnancies with negative outcome (spontaneous abortion, preterm birth) and of negative fetal outcome (SGA) in women with either AD or CAH, as compared to control pregnant women.

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OBJECTIVES: 1) To examine anthropometric changes of patients with classic 46,XX CAH and matched referents; 2) To investigate the impact of improvements in diagnosis and care on growth patterns in these patients by comparing changes in anthropometric parameters before and after CAH consensus guidelines. METHODS: This was a retrospective cohort study nested within three large integrated health-systems. Seventy-six patients with classic 46XX CAH and 1,102 matched referents <21 years of age were identified. Anthropometric measurements including age-specific percentiles for height, weight, and body mass index were examined and compared between groups using linear mixed-effect models. Anthropometric trajectories were explored using latent class analyses (LCA). RESULTS: CAH patients had lower height percentiles than referents at all time points. Differences ranged from 10.7% to 28.4%. After age 5 differences in height were only significant among study participants born before the publication of CAH consensus guidelines. LCA of height detected a "gradual growth increase" pattern in 28% of CAH cases and only 4% of referents, and a "growth stunting" pattern was observed in 13% of CAH cases and 6% of referents. Height percentile measures did not differ in CAH patients with or without evidence of hormonal interventions (growth hormone and/or puberty blockers) used to increase adult height. CONCLUSIONS: There is substantial heterogeneity in growth trajectories of CAH patients. Although stunting may affect CAH patients, advances in diagnosis and care improved anthropometric outcomes in this population. Understanding the disease- and therapy-related mechanisms that explain the different growth patterns requires additional research.

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A comparative analysis of morphological and functional changes in the adrenal glands after embolization of supplying arteries with Lifepearl microspheres (100±25 µm; Terumo) and with a solution of polidocanol (Aethoxysklerol, Kreussler Pharma) was performed in male Vietnamese Lop-Bellied pigs (n=20). The introduction of the microspheres into the arterial bed did not affect the adrenal parenchyma. However, the injection of the liquid sclerosing agent caused foci of productive inflammation leading to the formation of sclerotic tissue and reduction of the volume of glandular tissue. Administration of the sclerosant was accompanied by arterial hypotension, an indirect indication of a decrease in vasoactive hormone production by the adrenal cortex. These findings suggest that polidocanol can be used as an embolization agent for hyperplastic diseases of the adrenal cortex.

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Congenital lipoid adrenal hyperplasia is a very rare and severe cause of adrenal insufficiency. It occurs due to a mutation of the steroidogenic acute regulatory protein (StAR), disrupting adrenal steroid biosynthesis. Here, we report a case of a three-week-old female infant with vomiting, failure to thrive, electrolyte imbalance, and generalized hyperpigmentation. The hormonal assay and genetic diagnosis confirmed a mutation in the StAR protein, leading to adrenal insufficiency. Appropriate replacement therapy resulted in the resolution of clinical and biochemical abnormalities. This case is being reported for its rare etiology and diagnostic clues. It can guide clinicians to keep adrenal insufficiency as a differential diagnosis in a neonate presenting with hyperpigmentation and electrolyte disturbance to save lives.

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INTRODUCTION: Williams-Beuren syndrome is a contiguous gene syndrome caused by microdeletion of the locus 7q11.23. It is a clinically recognizable condition whose cardinal features include growth deficiency, variable degrees of neurodevelopmental disorders, congenital cardiac defects, outgoing personality, and typical facies. Case Series Presentation: This retrospective study analyzed 38 consecutive patients in a single center for rare diseases, diagnosed by Preus criteria modified by the Sugayama scoring system, comprising 17 male and 21 female individuals aged 1 month to 55 years. Cases were divided into two groups concerning (a) exclusive clinical diagnosis or (b) clinical diagnosis followed by a laboratory cytogenetic or cytogenomic test; except for hypertension, no significant difference was seen among both groups. The most frequent findings were intellectual deficiency, developmental delay, typical facies, and overfriendliness, all above 80% of the total sample. On the other hand, supravalvar aortic stenosis was found in only 32.4%, while other congenital heart diseases were seen in 56.7% of the sample. Unusual features included one individual with 13 pairs of ribs, another with unilateral microphthalmia, and three with unilateral renal agenesis. Comorbidities comprised 9 cases of hypothyroidism and 1 case each of precocious puberty, segmental vitiligo, type 1 diabetes mellitus, and congenital adrenal hyperplasia. CONCLUSION: Preus criteria modified by the Sugayama scoring system are still efficient and helpful for clinical diagnosis. This is the second report on microphthalmia and the first study describing the association between vitiligo, type 1 diabetes mellitus, and congenital adrenal hyperplasia in individuals with Williams-Beuren syndrome.

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Corticotropin-releasing factor (CRF) is a key neuropeptide hormone that is secreted from the hypothalamus. It is the master hormone of the HPA axis, which orchestrates the physiological and behavioral responses to stress. Many disorders, including anxiety, depression, addiction relapse, and others, are related to over-activation of this system. Thus, new molecules that may interfere with CRF receptor binding may be of value to treat neuropsychiatric stress-related disorders. Also, CRF1R antagonists have recently emerged as potential treatment options for congenital adrenal hyperplasia. Previously, several series of CRF1 receptor antagonists were developed by our group. In continuation of our efforts in this direction, herein we report the synthesis and biological evaluation of a new series of CRF1R antagonists. Representative compounds were evaluated for their binding affinities compared to antalarmin. Four compounds (2, 5, 20, and 21) showed log IC50 values of -8.22, -7.95, -8.04, and -7.88, respectively, compared to -7.78 for antalarmin. This result indicates that these four compounds are superior to antalarmin by 2.5, 1.4, 1.7, and 1.25 times, respectively. It is worth mentioning that compound 2, in terms of IC50, is among the best CRF1R antagonists ever developed in the last 40 years. The in silico physicochemical properties of the lead compounds showed good drug-like properties. Thus, further research in this direction may lead to better and safer CRF receptor antagonists that may have clinical applications, particularly for stress-related disorders and the treatment of congenital adrenal hyperplasia.

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Introduction: Congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency (21OHD) or 11-hydroxylase deficiency (11OHD) is characterized by underproduction of cortisol and overproduction of adrenal androgens. These androgens lead to a variable degree of virilization of the female external genitalia in 46,XX individuals. Especially in developing countries, diagnosis is often delayed and 46,XX patients might be assigned as males. This study aims to describe the clinical and biochemical characteristics of a unique cohort of untreated male-reared 46,XX classic CAH patients from Indonesia and discusses treatment challenges. Methods: Nine untreated classic CAH patients with 46,XX genotype and 21OHD (n=6) or 11OHD (n=3), aged 3-46 years old, were included. Biometrical parameters, clinical characteristics, and biochemical measurements including glucocorticoids, renin, androgens, and the pituitary-gonadal axis were evaluated. Results: All patients had low early morning serum cortisol concentrations (median 89 nmol/L) without significant increase after ACTH stimulation. Three patients with salt wasting 21OHD reported one or more periods with seizures and/or vomiting in their past until the age of 6, but not thereafter. The remaining patients reported no severe illness or hospitalization episodes, despite their decreased capacity to produce cortisol. In the 21OHD patients, plasma renin levels were elevated compared to the reference range, and in 11OHD patients renin levels were in the low-normal range. All adult patients had serum testosterone concentrations within the normal male reference range. In 21OHD patients, serum 11-oxygenated androgens comprised 41-60% of the total serum androgen concentrations. Glucocorticoid treatment was offered to all patients, but they refused after counseling as this would reduce their endogenous androgen production and they did not report complaints of their low cortisol levels. Discussion: We describe a unique cohort of untreated classic 46,XX male CAH patients without overt clinical signs of cortisol deficiency despite their cortisol underproduction and incapacity to increase cortisol levels after ACTH stimulation. The described adolescent and adult patients produce androgen levels within or above the normal male reference range. Glucocorticoid treatment will lower these adrenal androgen concentrations. Therefore, in 46,XX CAH patients reared as males an individual treatment approach with careful counseling and clear instructions is needed.

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Objective: Evaluation of the participant satisfaction with a newly developed interdisciplinary, modular education program for children, adolescents, and young adults with differences of sex development (DSD) and their parents. Methods: The two-day program including tailored medical information, peer consultation and psychological support aimed to improve diagnosis-specific knowledge and empowerment. Post-training satisfaction was measured using an adapted ZUF-8 questionnaire, scoring from 5 (worst) to a maximum of 26 (best) for persons aged 6-17 and from 10 to 40 points for adults, including 2 open-ended questions. Results: The questionnaire, completed by 89 children (6-13 years), 92 adolescents (14-17 years), 47 young adults (18-24 years), and 345 parents, revealed consistent high satisfaction with the program regardless of age or diagnosis (children 24.4 ± 2.1, adolescents 23.5 ± 2.7; young adults 36.0 ± 4.0, parents 36.6 ± 3.4). Neither sociodemographic factors nor diagnosis burden, shame, or informedness showed relevant associations with satisfaction levels. Participants highlighted exchange and open atmosphere as key satisfaction elements. Conclusion: Satisfaction with the new education program was high in all examined groups. Implementing it in routine care requires further analysis to determine the program's long-term effects on well-being and knowledge. Innovation: The first educational program for young people with DSD addressing their specific challenges through inclusive language, an open approach to sex and gender and the inclusion of self-help groups.

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OBJECTIVES: Congenital adrenal hyperplasia is an autosomal recessive disorder caused by complete or partial defects in one of the several steroidogenic enzymes involved in synthesizing of cortisol from cholesterol in the adrenal gland. Prompt and proper treatment of the disease would reduce symptoms and the level of androgens in patients. The present study aimed to evaluate the demographic characteristics and clinical findings of these patients. METHODS: This retrospective investigation was conducted in 146 patients with congenital adrenal hyperplasia participated. Their clinical and paraclinical findings were accurately recorded in the file and extracted from the records. RESULTS: Among all 146 patients, 119(81.5 %) was 21-OH Deficiency type;11-OH Deficiency type was 13(8.9 %), 10(6.8 %) was 3ß-HSD type, StAR was 2(1.4 %) and 17 alpha(α)-hydroxylase Deficiency was 2(1.4 %). The mean age of disease onset in these patients was 2.45 ± 1.16 years. Macropenis was the most frequent clinical finding in 39 cases of 64 boys (60.9 %), and Clitoromgaly was the most clinical presentation in 40 cases of 82 girls (48.7 %). The levels of testosterone, dehydroepiandrosterone sulfate, and 17-OHP significantly decreased in the last visit compared to the initial diagnosis. CONCLUSIONS: Based on the clinical findings in every infant or child with ambiguous genitalia, macropenis, clitoromegaly, hirsutism, and premature pubarche, we should consider congenital adrenal hyperplasia. Prompt and proper treatment and disease control would reduce symptoms and the level of androgens in patients.

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Type 1 diabetes mellitus (T1DM) and congenital adrenal hyperplasia (CAH) are 2 complex endocrine disorders with neighboring genetic loci. We present a case of T1DM onset in a 6-year-old child, already affected by 21-hydroxylase deficiency (salt-wasting CAH) diagnosed at 18 days of age, who was referred to our clinic because of typical symptoms of diabetes despite nondiagnostic fasting blood glucose values. Further analysis revealed elevated glycated hemoglobin (HbA1c), low C-peptide, and specific autoantibodies suggesting the diagnosis of T1DM. Although he only started with rapid-acting insulin analogue before meals, he presented spontaneous episodes of hypoglycemia just before the morning hydrocortisone dose, due to an underdosed glucocorticoid intake. Based on continuous glycemic monitoring (CGM), his morning dose was increased and given earlier; then we decided to apply an advanced hybrid closed-loop insulin pump to maintain glycemic time in range above 70%. Fasting glucose in CAH patients can be lower due to underdosed glucocorticoid replacement therapy. HbA1c and CGM can help recognize T1DM onset and evaluate the correct dosage of corticosteroid therapy in CAH patients. New studies are needed to understand the therapeutic approach for a more specific treatment in case of coexistence of these diseases.

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The management of adrenal insufficiency is challenging, and the overall goals of treatment are to prevent life-threatening adrenal crises, to optimize linear growth, to control androgen levels without overdosing in subjects with congenital adrenal hyperplasia (CAH) and to improve quality of life in affected individuals. Standard glucocorticoid formulations fail to replicate the circadian rhythm of cortisol and control the adrenal androgen production driven by adrenocorticotropic hormone. In order to personalize and tailor glucocorticoid therapy and to improve patient outcomes, new pharmacological strategies have been developed that best mimic physiological cortisol secretion. Novel therapeutic approaches in the management of adrenal insufficiency include new ways to deliver circadian cortisol replacement as well as various adjunctive therapies to reduce androgen production and/or androgen action/effects. Preclinical studies are exploring the role of restorative cell-based therapies, and a first recombinant adeno-associated virus-based gene therapy is also being developed in humans with CAH. In this article, we present three illustrative cases of adrenal insufficiency with different underlying etiologies and times of presentation. Diagnostic and management processes are discussed with emphasis on treatment and outcomes. We have also provided the most up-to-date evidence for the tailored management of children and adolescents with adrenal insufficiency.

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Background: Congenital adrenal hyperplasia (CAH) is a heterogeneous group of adrenal steroidogenesis disorders with variable degrees of glucocorticoid, mineralocorticoid and sex steroid deficiencies. CYP11A1 gene encodes the mitochondrial cholesterol side-chain cleavage enzyme (P450scc), which initiates the first reaction in steroidogenesis by converting cholesterol to pregnenolone. Variants in this gene are extremely rare but associated with severe forms of CAH due to its early and critical function in various steroid biosynthesis pathways. Here, we report a CYP11A1 exonic homozygous variant that, although exonic in location, affects splicing by creating an additional aberrant splicing site with frameshift and truncation of the gene. Patients and methods: The proband is a 23-year old 46,XY patient raised as a girl. She was a product of normal pregnancy for first-degree relative parents. Soon after birth, she had vomiting, dehydration, hypotension, hyponatremia and hyperkalemia. She was started on glucocorticoids and mineralocorticoids with prompt recovery. Apart from a chronic need for these medications, her neonatal and childhood history was unremarkable. She sought medical advice at age 19 years for delayed puberty with primary amenorrhea and lack of breast development. On evaluation, she had normal external female genitalia, no breast development, undescended testes and absent uterus and ovaries. Her hormonal evaluation revealed very low estrogen, testosterone, cortisol, aldosterone, 17-hydroxyprogesterone, and androstenedione levels. ACTH, LH, FSH and renin were very high consistent with primary gonadal and adrenal failure. Her parents are healthy first-degree cousins. She has three sisters, all with 46,XX karyotype. One of them is clinically and biochemically normal while the other two sisters have normal female phenotype, normal uterus and ovaries, similar hormonal profile to the proband but different karyotype (46,XX) and absence of undescended testes. gDNA was used for whole exome sequencing (WES). Sanger sequencing was performed to confirm the detected variant and its segregation with the disease. Results: WES identified a homozygous missense variant in CYP11A1 changing the second nucleotide (GCG > GTG) at position 189 in exon 3 and resulting in a change of Alanine to Valine (p.Ala189Val). This variant was confirmed by PCR and Sanger sequencing. It was found in a homozygous form in the proband and her two affected sisters and in a heterozygous form in the unaffected sister. In-silico analysis predicted this variant to create a new splicing site with frameshift and truncation of the gene transcript. This was confirmed by isolation of RNA, cDNA synthesis, gel electrophoresis and sequencing. Conclusion: We describe a family with a very rare form of CAH due to a CYP11A1 variant leading to creation of a new splice site, frameshift and premature truncation of the protein.

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STUDY OBJECTIVE: To explore the use of exam under anesthesia with vaginoscopy (EUA-V) following vaginoplasty in patients with congenital adrenal hyperplasia (CAH). DESIGN: Retrospective cohort METHODS: An IRB-approved retrospective chart review was performed of the post-surgical follow-up care of all patients diagnosed with classical CAH who sought care at a tertiary children's hospital from 2000-2017 and had undergone vaginoplasty at that institution. RESULTS: Twenty-six patients met inclusion criteria. The median age at vaginoplasty was 1.25 years (IQR: 0.67, 9). Median post-surgical follow-up was 5.5 years (IQR: 1.5, 9). Twenty six EUA-Vs were performed, on 22 patients. Four were for complication assessment (rectovaginal fistula (1); urethrovaginal fistula (3)-on the same patient). The remaining 22 EUA-Vs, performed on 20 patients with two each undergoing two EUA-Vs, were planned for routine evaluation of vaginal patency. They were done a median of 0.67 years (IQR: 0.25, 2) following surgery and at a median of 6.67 years of age (IQR: 1.75, 12). Of these, five EUA-Vs identified stenosis in five patients (25%), a median of 0.91 years (IQR: 0.5, 7) after surgery, at a median age of 8.42 years (IQR: 2, 10.92). Of the four who did not undergo EUA-V, one had stenosis on clinical exam with ultrasound-verified hematocolpos. The remaining three were all prepubertal at last follow-up. CONCLUSION: The majority of CAH patients following vaginoplasty underwent routine EUA-V, roughly a quarter of which detected stenosis. EUA-Vs may play a beneficial role in routine post-op care following vaginoplasty in patients with CAH.

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Background: Differences/disorders of sex development (DSD) encompass a wide range of conditions. Their clinical spectrum and etiological diagnosis have not been reported in Moroccan patients. Aims: The study aims to highlight the clinical spectrum, etiological diagnosis, and management of patients with DSD. Subjects and methods: This is a retrospective study of all patients diagnosed with DSD under the age of 18 years, who were referred to the Pediatric Endocrinology Department and the Medical Genetics Laboratory at HASSAN II University Hospital of Fez between June 2018 and June 2023. Results: Out of 57 patients, 54.4% (n = 31) were diagnosed with 46,XX DSD, the most common type, while 45.6% (n = 26) had 46,XY DSD. Patients with 46,XX DSD presented earlier than those with 46,XY DSD, at a median age of 0.08 years and 0.96 years, respectively. The most commonly reported complaint was atypical genitalia. At the first presentation, the sex of rearing was already assigned to 26 males and 27 females. All patients with 46,XX DSD were diagnosed with congenital adrenal hyperplasia (CAH) at a median age of diagnosis of 0.92 years. Of these, 11 patients were raised as males. Disorders of androgen action or synthesis were more common in XY patients (69.2%). The consanguinity rate was 46.5%, and there were 19 cases with a positive family history, with 10 siblings having died. Conclusion: DSD are not rare in Morocco. Overall, CAH remains the most frequent DSD etiology. Molecular genetic analyses are needed to determine the accurate etiological distribution of DSD, especially in XY patients.

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BACKGROUND: Congenital adrenal hyperplasia (CAH) encompassed a bunch of autosomal recessive disorders characterized by impaired cortisol levels due to an enzymatic deficiency in steroid synthesis. In adult male patients with CAH, a frequent complication related to poor disease control is the development of ectopic adrenocortical tissue in the testes, named testicular adrenal rest tumors (TART). Conversely, ovarian adrenal rest tumors (OART) in females are extremely rare and adrenal rests in sites other than gonads are so uncommon to have been described only few times in literature. CASE PRESENTATION: We report a case of a male patient with untreated CAH and oncologic history of pleomorphic sarcoma who presented with massive bilateral adrenal enlargement and adrenal rest tumors in peri-lumbar and peri-cecal sites, which mimicked metastasis from sarcoma. CONCLUSIONS: The development of massive adrenal enlargement and ectopic adrenal rest tumors in sites other than gonads, even if very uncommon, should be suspected in patients with CAH and prolonged periods of undertreatment.

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INTRODUCTION AND AIM: Congenital adrenal hyperplasia is an autosomal recessive disease caused by the deficiency of one of the enzymes of adrenal steroidogenesis, the most common of which is the deficiency of 21-hydroxylases. It represents a significant cause of morbidity and mortality in the pediatric population, especially in the absence of systematic neonatal screening in Morocco, which makes the management of these patients difficult for clinicians. This study aimed to describe the epidemiological, clinical, laboratory, evolutionary, and therapeutic profile of children followed for congenital adrenal hyperplasia at the pediatric endocrinology unit, Abderrahim Harrouchi Children's Hospital, Casablanca, Morocco. Materials and methods: A retrospective cross-sectional study including 184 children followed for congenital adrenal hyperplasia over a period of 11 years (from January 1, 2013, to December 31, 2023). The diagnosis was confirmed by molecular biology, and all clinical, laboratory, and radiological data were collected retrospectively from medical records. RESULTS: The median age at diagnosis was 1.5 months (birth: 13 years). The consanguinity rate was 54.4% (n=100). A history of death in the family was found in 16.3% (n=30) of cases in a table of salt wasting and infections. The classic form was observed in 72% (n=132) of children compared to 28.3% (n=52) for the non-classical form. The virilizing form with salt wasting and the pure virilizing form represented 45.6% (n=84) and 26% (n=48) of cases, respectively. Deficiency in 21-hydroxylase was found in 91.8% (n=169) of children, while deficiency in 11-ß-hydroxylase was identified in 4.9% (n=9) of cases, and in 3-ß-hydroxysteroid dehydrogenase in 3.2% (n=6) of cases. A total of 40.7% (n=75) of children underwent corrective surgery of the external genitalia. CONCLUSION: Congenital adrenal hyperplasia is a group of rare diseases. The best therapeutic alternative would be newborn screening and antenatal diagnosis.

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Over the last several decades, children with all forms of classic congenital adrenal hyperplasia (CAH) are identified early and treated appropriately throughout childhood. As adults, women with CAH may desire to become mothers and their usual chronic therapy and disease control is often inadequate for conception. Subsequently, little data exist on their management during pregnancy. Pregnancy in women with various forms of CAH is possible with appropriate treatment. Achieving pregnancy is more complex than disease management during pregnancy.

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