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Perforation is the rarest complication of duodenal diverticulum but also one of its most serious complications. Mortality rate was reported to up to 30%. Clinical diagnosis is usually vague and non-specific. High clinical suspicion is important as rapid deterioration is likely. Consensus regarding management is lacking and currently guided by a small series of case reviews. Surgical treatment is historically the standard therapeutic option. However, more current literature suggests improvement in patients with non-surgical management. In this paper, we discuss a case of a patient in her early 60s who had a perforated duodenal diverticulum that was treated conservatively. It highlights the importance of a good history and a CT scan to help with diagnosis. Close clinical observation is essential to detect disease progression. A step-up approach to clinical deterioration with either percutaneous drainage or surgical management should be considered if the patient does not respond to conservative treatment.

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Intracranial hypotension may result in pituitary gland enlargement due to compensatory hyperaemia and venous engorgement. Spontaneous intracranial hypotension (SIH) is frequently associated with connective tissue disorders predisposing patients to dural weakening including dural ectasia and meningeal diverticula. Symptoms of SIH typically include postural headache, dizziness and tinnitus. We present a case of a female in her 20s with Marfan syndrome and a history of pituitary adenoma, who reported intractable postural headaches. Hormonal workup revealed no abnormalities, whereas brain MRI showed sequelae of intracranial hypotension. Further MRI studies revealed thoracic and lumbar meningeal diverticula with significant dural sac ectasia at the L4-S2 level. Myelogram confirmed numerous lumbar spine diverticula with cerebrospinal fluid leak at the L5 and S1 right nerve roots. The patient underwent blood patch administrations at the level of the leak with improvement of symptoms.

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Sigmoid sinus diverticulum is a rare vascular anomaly often associated with pulsatile tinnitus. It can occur in cases of chronic otitis media squamous type (unsafe type) due to dehiscence of the sigmoid sinus plate caused by cholesteatoma. The presentation of which is that of pulsatile tinnitus. However, we present an unusual case of sigmoid sinus diverticulum occurring concurrently with chronic otitis media mucosal type (safe type) but in the absence of pulsatile tinnitus. This case report highlights the diagnostic challenges and management of this rare clinical scenario.

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The combination of the right aortic arch and aberrant left subclavian artery (ALSA) with Kommerell's diverticulum (KD) is rare to coexist with the left innominate vein (LINV) beneath the aortic arch. It escalates the surgical risk undoubtedly and increases the difficulty of clinical procedures. We report one case diagnosed by Ultrasound and Computed Tomography Angiography (CTA).

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BACKGROUND The gallbladder develops from the hepatic diverticulum during the fourth week of gestation, which also give rise to the liver, extrahepatic biliary ducts, and ventral part of the pancreas. Infrequently, the gallbladder has malformation or disruption in embryogenesis, leading to congenital anomalies. There are various congenital anomalies that can arise in the gallbladder. True or congenital diverticulum of the gallbladder is a rare entity that accounts for only 0.06% of gallbladder congenital anomalies and 0.0008% of cholecystectomies at the Mayo Clinic. CASE REPORT Herein, we report a rare case of a 38-year-old woman who presented to Jubail General Hospital's surgery clinic with right upper-quadrant (RUQ) pain associated with vomiting after meals for 1 month. Laparoscopic cholecystectomy was done and gallbladder tissue was sent to histopathology. Gross examination revealed an outpouching mucosa within the wall that was proven to consist of muscularis and serosa layers under light microscope. Interestingly, xanthogranulomatous inflammation was confined to the diverticulum, unlike the chronic inflammation involving the remaining gallbladder. Based on the above findings, the diagnosis of congenital diverticulum with xanthogranulomatous cholecystitis was made. CONCLUSIONS Gallbladders associated with a true diverticulum are uncommonly found to be buried in the liver, leading to surgical difficulties during cholecystectomy. Therefore, background knowledge of occasional anomalies plays a crucial role in guiding the surgeon to choose the optimal method of management. We also discuss the associated complications that accompany these anomalies, such as non-specific prolonged ailments, acalculous cholecystitis, cholecystitis and cholelithiasis, recurrent cholangitis, and carcinoma of the gallbladder.

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Congenital diverticulum is an uncommonly detected cardiac lesion, especially in infancy. However, its association with cyanotic congenital heart disease is extremely rare. In the current work, we report a case diagnosed in the neonatal period with tetralogy of Fallot and pulmonary valve atresia associated with a large congenital diverticulum originating from the right ventricle.

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BACKGROUND Jejunal diverticulosis are false diverticula of the small bowel that form from outpouching of the mucosa and submucosa. They are pulsion diverticula that are often asymptomatic and can be found incidentally during surgery. In some instances, jejunal diverticula could result in intestinal obstruction. Small intestinal volvulus is an uncommon cause of small bowel obstruction that results in a closed loop obstruction and is an indication for emergent surgical intervention. CASE REPORT We report a case of an 84-year-old man who presented to the Emergency Department with abdominal pain and generalized weakness. A preoperative computerized tomographic scan demonstrated a closed loop small bowel obstruction with mesenteric swirling. The patient was taken for a diagnostic laparoscopy, which revealed extensive proximal jejunal diverticulosis and a volvulus of the involved jejunum. An exploratory laparotomy was warranted for safe detorsion of the small bowel and resection of the diseased segment. The small bowel was successfully detorsed, with resection of the involved jejunum. Intestinal continuity was established by a primary side-to-side anastomosis. CONCLUSIONS Jejunal diverticula have been reported in the literature as a cause of small bowel obstructions, and very few reports exist of concurrent small bowel volvulus. In very rare instances, both of these conditions can coexist. There should be prompt surgical intervention in all cases of closed loop small bowel obstructions to prevent intestinal ischemia, perforation, and sepsis.

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A jejunal diverticular haemorrhage is the second most common complication of jejunum diverticula. It can manifest clinically as acute upper gastrointestinal bleeding and is common to imitate acute rectal bleeding. Bleeding is usually associated with or without haemodynamic stability. Its diagnosis is challenging, requiring imaging examinations. Treatment is conservative management or surgery.

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OBJECTIVE: This study aimed to compare the effects of bladder diverticula smaller than 30 (SD) mm and larger than 30 mm (LD) on bladder functions and urodynamics. MATERIALS AND METHODS: Our retrospective analysis involved a cohort of 40 pediatric patients diagnosed with primary bladder diverticula. RESULTS: The predicted mean bladder capacity (MBC) was 197.7 ± 95.8 mL, whereas the observed MBC was lower at an average of 170.1 ± 79.6 mL. This indicates that the observed MBC was 88.2 ± 12.9% of the predicted value (percentage). The mean diverticula diameter recorded was 33 ± 19.5 mm, and the diverticula to MBC ratio were calculated to be 0.25 ± 0.18. The distribution of urinary tract infections (UTIs) differed significantly between the groups (p < 0.001). Upper UT dilatation was significantly more common in the LD group (60%, n = 12) than in the SD group (15%, n = 3) (p = 0.003). The mean detrusor pressure (P[detrusor]) was significantly higher in the LD group (137.2 ± 24.1 cm H2O) than in the SD group (63.9 ± 5.8 cm H2O) (p = 0.001). In addition, the mean peak flow rate (Qmax) was significantly higher in the SD group (20.7 ± 7.9 mL/s) compared to the LD group (12.7 ± 3.8 mL/s) (p < 0.001). CONCLUSION: Bladder diverticula size is a significant factor in the clinical presentation and management of primary bladder diverticula in pediatric patients.

OBJETIVO: Este estudio tuvo como objetivo comparar los efectos de los divertículos vesicales menores 30 mm (SD), mayores 30 mm (LD) en las funciones y urodinámica de vejiga. MATERIALES Y MÉTODOS: Nuestro análisis retrospectivo involucró una cohorte de 40 pacientes pediátricos diagnosticados con divertículos vesicales primarios. RESULTADOS: Capacidad vesical media predicha (MBC) fue de 197.7 ± 95.8 mL, mientras que MBC observada fue menor con promedio de 170.1 ± 79.6 mL. Esto indica que MBC observada fue del 88.2 ± 12.9% del valor predicho (porcentaje). Diámetro medio de divertículos registrados fue de 33 ± 19.5 mm, y se calculó que relación entre los divertículos y la MBC era de 0.25 ± 0.18. Distribución de infecciones del tracto urinario (ITU) difirió significativamente entre grupos (p < 0.001). Dilatación del tracto urinario superior (UT) fue significativamente más común en grupo LD (60%, n = 12) que en grupo SD (15%, n = 3) (p = 0.003). Presión media del detrusor (P[detrusor]) fue significativamente mayor en grupo LD (137.2 ± 24.1 cm H2O) que en grupo SD (63.9 ± 5.8 cm H2O) (p = 0.001). Además, tasa de flujo máximo promedio (Qmax) fue significativamente mayor en grupo SD (20.7 ± 7.9 mL/seg) en comparación con grupo LD (12.7±3.8 mL/seg) (p < 0.001). CONCLUSIONES: Tamaño de divertículos vesicales es factor significativo en presentación clínica, manejo de divertículos vesicales primarios en pacientes pediátricos.

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The purpose of this study was to evaluate the efficacy and safety of flexible ureteroscopy with holmium laser lithotripsy in the management of calyceal diverticular calculi. In this study, we retrospectively analyzed the clinical data of 27 patients with calyceal diverticular calculi admitted to the Department of Urology of the Zigong First People's Hospital from May 2018 to May 2021. Intraoperatively, the diverticular neck was found in all 27 patients, but flexible ureterorenoscopy lithotripsy was not performed in 2 cases because of the slender diverticular neck, and the success rate of the operation was 92.6%. Of the 25 patients with successful lithotripsy, the mean operative time was 76.9 ± 35.5 (43-200) min. There were no serious intraoperative complications such as ureteral perforation, mucosal avulsion, or hemorrhage. Postoperative minor complications (Clavien classification I-II) occurred in 4 (16%) patients. The mean hospital stay was 4.4 ± 1.7 (3-12) days. The stone-free rate was 80% at the 1-month postoperative follow-up. After the second-stage treatment, the stone-free rate was 88%. In 22 cases with complete stone clearance, no stone recurrence was observed at 5.3 ± 2.6 (3-12) months follow-up. This retrospective study demonstrated that flexible ureterorenoscopy with holmium laser is a safe and effective choice for the treatment of calyceal diverticular calculi, because it utilizes the natural lumen of the human body and has the advantages of less trauma, fewer complications, and a higher stone-free rate.

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Catheter ablation therapy for persistent atrial fibrillation (PeAF) is both difficult and has limited outcomes. The mechanisms underlying the development and persistence of atrial fibrillation (AF) are not fully understood; therefore, ablation strategies are diverse. A 45-year-old man was referred to our hospital for persistent atrial fibrillation to undergo radiofrequency catheter insertion (RFCA). In the first session we conducted pulmonary vein isolation and additional linear ablation, including that of the roof line and posterior inferior line (posterior box lesion) as the stepwise ablation. However, AF was recurred in six months, therefore he was readmitted for second session ablation preoperative 3D computed tomography (CT) scan for drug-refractory PeAF was performed. The additional isolation of the left superior pulmonary vein and potential drivers of AF by mapping wavefront propagation using multipolar catheters by CARTOFINDER (Biosense Webster, Inc, Diamond Bar, CA, USA) was conducted. However, AF did not terminate. Tomography revealed that the left atrial (LA) diverticulum (LAD) was found uniquely. Electrophysiological findings showed focal firing of the myocardial sleeve and LA diverticulum by an approach for defragmented potentials by re-visiting in interval confidence level (ICL) mode included in the electroanatomical mapping system (CARTO 3, Biosense Webster, Inc, Diamond Bar, CA, USA) and the ablation by encircling this site finally made AF terminate. The AF has not recurred for more than 12 months without the use of antiarrhythmic drugs. This case report suggests that additional ablation around substrates in LAD may be effective for treating refractory AF.

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BACKGROUND: Aneurysms and diverticula of the left ventricle are rare entities in childhood, with a prevalence of less than 0.1%. Described since 1886, as a severe and potentially fatal disease if not corrected, mainly due to the presence of associated anomalies and the risk of rupture. OBJETIVE: Present other management options for ventricular diverticula, different from surgical options, using alternative materials that are not used very often in daily practice. METHOD: A detailed description of a case successfully managed with these new treatment modalities. RESULTS: Endovascular management of the left ventricular diverticulum, diagnosed prenatally in the patient presented, was successful after initial failure with surgical management. CONCLUSIONS: Endovascular management of ventricular diverticula, using alternative materials to those commonly used, is an attractive option with satisfactory results in these patients.

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Small bowel non-Meckelian diverticulosis is a rare condition with only a few published cases despite being described over 200 years ago. In the midst of the COVID-19 pandemic, studies suggested that many patients may experience gastrointestinal manifestations. Intestinal symptoms could worsen the inflammation and infection associated with small bowel diverticulitis. Here we present three cases: one with inflammation and rupture in a COVID-19 patient and another as an asymptomatic detection. The third case involved recurrence after the first laparoscopic lavage approach. Furthermore, we provide a mini-review of the literature to emphasize the importance of considering this entity in the differential diagnosis of an acute abdomen. In the majority of cases involving small bowel diverticula, conservative management is the preferred approach. However, when complications arise, surgical intervention, including enteroctomy and primary anastomosis, may be necessary to achieve optimal outcomes.

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