Malignant peripheral nerve sheath tumor (MPNST) is very uncommon tumor of parotid gland and it is an uncommon spindle cell sarcoma accounting for approximately 5% of all soft-tissue sarcoma. There is strong association between MPNSTs and neurofibromatosis (NF-1) and previous irradiation. Structural abnormality of chromosome 17 is associated with NF-1 and so MPNST. We present a case of a 78-year-old male presenting with slowly growing parotid mass who underwent tumor resection.
Retroperitoneal lipomas are known for their rarity and varied presentations. We are reporting a case of giant retroperitoneal lipoma which presented as inguinal hernia.
The urachus is a vestigial structure located between the dome of the bladder and the umbilicus, which results from the involution of the allantoic duct and the cloaca. Persistence of an embryonic urachal remnant can cause various problems during childhood and young adulthood. Urachal leiomyoma is a rare entity with very few cases being reported in literature. It can be misdiagnosed and confused with a wide spectrum of intra-abdominal or pelvic disorders. We hereby report a case of angiomatous leiomyoma originating from the urachal remnant in a 45-year-old lady, masquerading as extraluminal gastrointestinal stromal tumor. Understanding the embryological basis of these urachal disorders and their imaging features coupled with histopathological examination is crucial for the correct diagnosis and management. Pathological diagnosis is required to optimize the surgical approach and preclude unnecessary radical surgery.
Cholecystogastric fistula is a rare biliary-enteric fistula with a variable clinical presentation. Despite modern diagnostic tools, a high index of suspicion is needed to diagnose it preoperatively. Stone migration into stomach forming gallstone bezoar is very rare. Stones more than 2.5 cm are likely to cause obstruction. We report a case of gallstone bezoar of size 9×5 cm lying in the stomach with a small fistulous opening in the prepyloric region of the stomach. Patient was thoroughly investigated and successfully treated with retrieval of bezoar and cholecystectomy.
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