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INTRODUCTION: Pigmented fungiform papillae of the tongue is a benign condition frequent in dark skin patients. It usually appears in the second or third decade of life, and it has been reported as autosomal dominant inheritance pattern. The diagnosis is clinical, but dermoscopy could be helpful: a classical rose petal pattern is observed. The pathogenesis is unknown, and no treatments are effective. CASE REPORT: We report a case of a 15-year-old girl with a pigmented fungiform papillae and a compatible dermatoscopy pattern. CONCLUSIONS: Knowing the existence of this entity and its characteristic dermoscopy, avoids additional invasive medical test. We have to know this entity because it is a variant of normality.

INTRODUCCIÓN: La pigmentación de las papilas fungiformes linguales es una condición benigna y relativamente frecuente en pacientes con piel oscura. Suele aparecer en la segunda o tercera décadas de la vida y se han descrito casos de herencia autosómica dominante. El diagnóstico es clínico, pero la dermatoscopia es de gran ayuda: presenta un patrón clásico en pétalos de rosa. La patogénesis se desconoce y no hay tratamientos efectivos. CASO CLÍNICO: Reportamos el caso de una niña de 15 años con pigmentación de las papilas fungiformes y con patrón dermatoscópico compatible. CONCLUSIONES: Conocer la existencia de esta afección y su característica dermatoscopia evita realizar pruebas invasivas adicionales, ya que se trata una variante de la normalidad.

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Choristomas are proliferative growths that occur when normal tissue develops in abnormal locations and may resemble tumors. Oral choristomas commonly present as slow-growing, indolent, and firm masses. The diagnosis primarily relies on histopathologic examination. Given their tumor-like growth and developmental pathogenesis, it is critical to differentiate them from neoplasms. In this article, we present two clinical cases of oral choristomas, a cartilaginous choristoma, and an osseous choristoma of the tongue. We also offer a brief review of the literature discussing clinical presentation, microscopic features, and therapeutic options.

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BACKGROUND: Paracoccidioidomycosis (PCM) is the leading cause of death among systemic mycoses in Brazil. On the other hand, oral squamous cell carcinoma (OSCC) is the most prevalent malignant neoplasm of the mouth. Both lesions rarely affect the tongue dorsum and may share similar clinical characteristics. This study aimed to retrieve cases of single oral ulcers diagnosed as PCM or OSCC. MATERIAL AND METHODS: A cross-sectional retrospective study was conducted. All patients who had a single ulcer on dorsum of the tongue and confirmed diagnosis of PCM or OSCC were evaluated. RESULTS: A total of 9 patients (5 women and 4 men) were evaluated, 5 patients had OSCCs (mean age = 69,8 years old), and 4 patients PCM (mean age = 51 years old). Most of the lesions were infiltrated and indurated in the palpation exam. Duration ranged from 1 to 12 months (mean time of 5.2 months and 4.7 months for OSCC and PCM, respectively). OSCC was the main clinical diagnosis hypothesis. CONCLUSIONS: Although uncommon, PCM and OSCC should be considered as a diferential diagnosis hypothesis in infiltrated ulcers on the tongue dorsum. Iincisional biopsy is mandatory to confirm the diagnosis and indicate the appropriate treatment.

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We have observed a distinct phenomenon of transient oral lingual leukoplakia in infancy and report 22 healthy infants with gray-white plaques on the dorsal tongue with sparing of the tip from four medical centers in three countries. The onset of the eruption ranged from 1 week to 7 months of life and resolved in 19 patients (86%, with 3 patients lost to follow-up). None of the eight patients examined at 1 year of age had residual findings. We believe this is a common entity that can be distinguished from oral candidiasis on clinical and/or laboratory examination and name this entity "transient infantile lingual leukoplakia."

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ABSTRACT: Glycogenic acanthosis (GA) is a benign lesion characterized by elevated, small, white plaques commonly detected in the esophageal mucosa. To date, only 6 cases have been reported in the English literature documenting its involvement in the oral cavity. Herein we report a case of large GA on the ventrolateral aspect of the tongue in a 42-year-old male (third case reported on the tongue). Histologically, the lesion was characterized by acanthotic squamous epithelium with glycogen-rich, clear cells located in the upper layers of the epithelium. Since the oral presentation of GA is very rare, it is necessary to document more cases to clarify the clinical features, biological behavior, and management of GA in the future.

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A hamartoma is a benign proliferation of typical mature cells specific to a particular anatomical site. In the oral cavity, they may occur as isolated cases or be associated with genetic syndromes. Oral-facial-digital syndrome type VI is a rare genetic disorder with an estimated incidence of one in 50,000-250,000 newborns. Here, we report a case of a 2-year-old boy diagnosed with oral-facial-digital syndrome type VI who was referred for evaluation of a bilateral and normochromic to slightly pinkish nodule on the lateral surface of the tongue. Clinically, the child presented hypotonia, low visual acuity, absence of oculocephalic reflex, delay in neuropsychomotor development, and polydactyly in the feet. Excisional biopsies of both sides of the tongue were performed using a 1.5 W high-power diode laser (wavelength of 980 nm), and histopathological analysis revealed abundant mature adipocytes predominantly arranged in lobules that mainly surrounded the minor salivary gland parenchyma. The surgical sites healed with no complications and the patient remains under follow-up for 10 months. Due to the limited literature on this syndrome and the frequent presence of tongue hamartomas in children, dentists need to be familiar with them.

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AIM: Mucormycosis is a rare human infection associated with Mucorales, a group of filamentous moulds found in different environmental niches. Its oral manifestations may occur in the mandible and tongue despite being rare. We aimed to systematically review the data on clinical manifestations, risk factors, diagnostic approaches, treatment options, and outcomes of mandibular and tongue mucormycosis. METHODS: An electronic search of articles published between January 1975 and November 2022 in PubMed, Web of Science, and EMBASE databases was performed. A total of 22 articles met the inclusion criteria and reported 27 cases of oral mucormycosis in total. RESULTS: Fourteen patients had mandibular mucormycosis signs unrelated to COVID-19 infection, 6 had SARS-CoV-2-related mandibular mucormycosis, and 6 had manifestations in the tongue. All published case reports during the COVID-19 pandemic were from India. Patient ages ranged from 4 months old to 82 years, and most patients had important comorbidities, such as blood dyscrasias related to immune deficiency and uncontrolled type 2 diabetes mellitus. The signs and symptoms of mandibular and tongue mucormycosis varied from dental pain, loose teeth, and nonhealing sockets to dysphagia and paraesthesia of the lip. Some patients also reported trismus, draining sinus tract, and facial pain. The diagnosis of oral mucormycosis was based on a combination of clinical, radiographic, and histopathologic findings by demonstrating fungal hyphae in tissue specimens. In most cases, mucormycosis was managed with systemic amphotericin B, strict glycaemic control, and aggressive surgical debridement of infected tissue, minimising the progression of the fungal infection and thus improving the survival rate. In some cases, combined antifungal therapy, antibiotic therapy, and chlorhexidine mouthwashes were used successfully. CONCLUSIONS: Recognition of the signs and symptoms by oral care providers is pertinent for the early diagnosis and treatment of tongue and mandibular mucormycosis, and providers should be aware of the possibility of this opportunistic fungal infection in patients with COVID-19. A multidisciplinary approach is recommended for the management of this lethal infection.

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A 13-month-old male presents with a firm left anterior tongue mass noted since birth that has increased proportionally with the child's growth. What is your diagnosis?

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Interdisciplinary evaluation is essential to diagnose and define clinical conduct for children and adults presenting with an altered lingual frenulum; however, there are few reports on the subject in the literature. In this context, the following study exemplifies a proposed protocol for the surgical and SLT treatment of a lingual frenulum based on a review of the literature and the experience of speech and language therapists and maxillofacial surgeons from hospitals in Santiago de Chile. After its application, a history of breastfeeding with difficulties and a maintained preference for soft foods was reported. Upon anatomic examination, the lingual apex was heart-shaped, and the lingual frenulum was fixed in the upper third of the ventral side of the tongue, with a pointed shape, submerged up to the apex, and of adequate thickness. Meanwhile, upon functional examination, the tongue was descended at rest, performed tongue protrusion with restrictions (raising and clicking), did not achieve attachment or vibration, and presented distortion of the sounds / r/ and /rr/. With this information, an altered lingual frenulum was diagnosed, with the indication for surgery and postoperative speech and language therapy. The constructed instrument allowed for the standardization of the evaluation in different teams but should be validated in future research.

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