A solid and cystic pancreatic lesion was incidentally found in a 62-year-old woman on abdominal computed tomography. The lesion was diagnosed as a solid pseudopapillary neoplasm by using endoscopic ultrasound-guided fine needle aspiration, and the tumor was resected. Histologically, the tumor cells had relatively small, round nuclei and papillary-like architecture in a hemorrhagic background. O...

BACKGROUND Benign multicystic mesothelioma is a rare pathology. Few cases are reported in the medical literature and acute presentation is extremely uncommon. CASE PRESENTATION We describe an acute clinical presentation of the neoplasm that revealed itself with signs and symptoms attributable to acute appendicitis in a 41-year-old white man. Abdominal echography and computed tomography scans ...

A case of malignant rhabdoid tumor (MRT) occurring as a primary hepatic neoplasm in a 12-month-old Japanese female infant is presented. The patient had a slight fever for 2 weeks and presented with a palpable mass in her left hypochondrial region. After admission, the hepatic artery was embolized due to intra-abdominal hemorrhage arising from the tumor. The patient received chemotherapy with ci...

OBJECTIVES Annular pancreas is a rare congenital anomaly characterized by pancreatic tissues wrapping completely or incompletely around the descending duodenum. In most patients with annular pancreas, onset occurs in early childhood. Adults with annular pancreas are prone to duodenal ulcers and pancreatitis. Intraductal papillary mucinous neoplasm (IPMN) is a type of papillary mucinous secretor...

Aggressive angiomyxoma is a rare mesenchymal neoplasm of the soft parts of the pelvis. It is a benign lesion with a high incidence of recurrence that presents mainly in women in the third or fourth decades of life, and particularly affects the pelvis and perineum.1 The cell of origin is the myofibroblast.2 We describe a 38-year-old woman with a tumor of this type and a mass in the right cardiac...

Tuberculosis remains prevalent in developing countries and has recently re-emerged in the Western world. Intra-abdominal tuberculosis can mimic a variety of other abdominal disorders, and here we describe a patient with solitary tuberculous mesenteric lymphadenopathy mimicking duodenal gastrointestinal stromal tumor (GIST). A 22-year-old woman complained of epigastric discomfort and was presume...

Giant cell tumor is an unusual neoplasm of the ribs. Herein is presented the case of a patient with an abdominal wall mass, which turned out to be a giant cell tumor of the 11th rib. This is a very uncommon site for a giant cell tumor, which also had a peculiar shape. No other similar case has been reported in the medical literature.

Adrenal Myelolipoma is a rare benign neoplasm composed of mature adipose tissue and a variable amount of haemopoietic elements. Most lesions are small and asymptomatic, discovered incidentally during autopsy or on imaging studies performed for other reasons. Two cases of myelolipoma are presented here, where the tumours were hormonally inactive, but presented with abdominal symptoms and were ma...

Neuroblastoma is a neoplasm of the peripheral sympathetic nervous system. Depending upon primary location tumor, it can present as incidental finding, hypertension, abdominal pain, and distention with nonspecific clinical signs. Our patient was four-months-old when he developed excessive crying, increased frequency micturition, loose bowel movements. On CT scan, cystic mass found in left suprar...

Solitary fibrous tumor is an uncommon mesenchymal neoplasm. Liver is a rare location of this tumor. We report a case of hepatic solitary fibrous tumor in a 56-year-old female, who presented with right upper abdominal pain. An extended right hepatectomy was performed. Histopathological and immunohistochemical examination revealed solitary fibrous tumor of the liver.