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INTRODUCTION A thyroglossal duct cyst is the most common congenital anomaly of the thyroid gland and midline masses in childhood (70% abnormality in childhood, 7% in adult). Carcinomas arising from a thyroglossal duct cyst are rare (only 1% of thyroglossal duct cyst cases) and characterized by relatively non-aggressive behavior and rare lymphatic spread.(More)
Salivary gland tumors consist of about 3% of all head and neck tumors. Benign tumors (mainly pleomorphic adeno-ma) are the most common type. About 80% of them occur in the parotid glands. Carcinomas are rare and more common in the smaller salivary glands (1, 2). Benign salivary gland tumors rarely develop in the jaw bones. They arise from either the ectopic(More)
INTRODUCTION There is many ways to assessing the electrical conductivity anisotropy of a tumor. Applying the values of tissue electrical conductivity anisotropy is crucial in numerical modeling of the electric and thermal field distribution in electroporation treatments. This study aims to calculate the tissues electrical conductivity anisotropy in patients(More)
Primary hyperparathyroidism is an endocrine disorder recognized by hyperfunction of parathyroid gland, which can result in persistent bone absorption and brown tumor. Facial involvement of brown tumor is rare and usually involves the mandible. Giant cell tumor ( GCT) is an expansile osteolytic bone tumor which is very similar in clinical, radiological and(More)
Introduction Cerebral toxoplasmosis is a leading cause of central nervous system (CNS) lesions in severely immunocompromised human immunodeficiency virus+ (HIV+) patients who are seropositive for the parasite and have not received effective chemoprophylaxis. A 48-year-old HIV+ woman presented to our emergency room with seizure and decreased level of(More)
Balo's concentric multiple scleroses (MS) is a rare demyelinating disease and a variant of multiple sclerosis. We report a case with interesting misleading clinical history and typical RI findings of Balo disease. A 19-year-old girl presented with fever and left hemiparesis following dental procedure 15 days ago. On physical examination fever and left limbs(More)
Aneurysmal bone cyst (ABC) is an expansile bone lesion that usually involves the long bones. Skull base involvement is rare. Hereby, we describe a 17-year-old man with hoarseness, facial asymmetry, left sided sensorineural hearing loss and left jugular foramen syndrome. CT scan and MRI showed a skull base mass that was confirmed as ABC in histopathology.(More)
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