Fetus-in-fetu presenting as acute intestinal obstruction.

Fetus-in-fetu is a rare condition in which a fetiform calcified mass is often present in the abdomen of its host; a newborn or infant. We present the case of a three-month-old male baby with acute intestinal obstruction and abdominal mass. X-ray abdomen and ultrasonogram revealed a cystic mass with calcification. On laparotomy, a well encapsulated retroperitoneal mass causing high intestinal obstruction was identified. Total excision of the mass was done. Diagnosis of fetus-in-fetu was confirmed on histopathology. Postoperative recovery was uneventful.

A case of a minute gastric carcinoid tumor with regional lymph node metastasis that was misdiagnosed as an intraabdominal mass / 대한내과학회지

Gastric carcinoid tumors have been regarded as rare neoplasms, accounting for just 0.3% of all gastric tumors and fewer than 2% of all carcinoid tumors. Recently, there has been an increase in the number of reported studies of gastric carcinoid tumors with the widespread use of gastroscopy and improvements in immunohistochemical methods. Gastric carcinoid tumors are classified into three types. For type III gastric carcinoids not associated with hypergastrinemia, which tend to be larger and demonstrate a biologically more aggressive behavior with metastasis, and also for sporadic lesions, excision with regional lymph node clearance has been recommended. Tumors that are less than 1cm in size are called minute carcinoids, which seldom give rise to regional lymph node metastasis, except in rare cases. We report here a rare case of a minute gastric carcinoid tumor with regional lymph node metastasis that was misdiagnosed as an intraabdominal mass in a 42-year-old woman. Furthermore, we review the available literature on this entity.

A Case of Intraabdominal Sparganosis Presenting as Submucosal Tumor on Gastroscopy / 대한소화기내시경학회지

Sparganosis in humans is caused by migrating larvae of the cestode Spirometra. Humans are considered the second intermediate host that are incidentally infected. Sparganosis usually infestates the subcutaneous tissues and visceral organs have rarely been reported to be involved. A case is herein reported however, a 67-year old female patient with sparganosis in the gastric wall and perigastric region, presented as a submucosal tumor upon gastrofiberscopy. The diagnosis was made after surgery by the pathologic findings determining a characteristic degenerated Sparganum and multiple tunnel-shape cavities surrounded by many inflammatory cells and necrotic materials.