Giant Haemangiopericytoma of the Uterus

Giant mediastinal haemangiopericytoma: an uncommon case.

Haemangiopericytoma is a rare soft tissue tumour characterised by tightly packed tumour cells situated around thin walled endothelial lined vascular channels, ranging from capillary sized vessels to large gaping sinusoidal spaces. The tumour cells are surrounded by reticulin and are negative for muscle, nerve and epithelial markers. The diagnosis of extra-pulmonary intra-thoracic, extra-pleural...

Haemangiopericytoma of the oropharynx.

Haemangiopericytoma (HPC) is a rare vascular tumor arising from the pericytes of Zimmermann and is characterized by its unpredictable and variable biological behavior. These tumors are common in the trunk and the extremities and less than 16% of the cases occur in the head & neck region. Its occurrence in the oral cavity and pharynx is uncommon. We report an extremely rare case of haemangioperi...

Giant cystic leiomyoma of the uterus occupying the retroperitoneal space.

A 31-year-old nulliparous woman visited our hospital complaining of abdominal distension. Abdominal ultrasonography and computed tomography revealed a 40 × 40 × 30-cm, multilocular cystic mass extending from the upper abdomen to the pelvis. Magnetic resonance imaging (MRI) revealed a cystic tumor that was hypointense on T1-weighted images and was heterogeneously hyperintense on T2-weighted imag...

Haemangiopericytoma of the pineal body.

Intraperitoneal recurrence of renal haemangiopericytoma

We describe a case of a 53 years old patient who underwent right nephrectomy for a renal tumor in 2005. The histological examination revealed an hemangiopericytoma with graveness signs. Ten years later, the patient developed a huge abdominal mass. CT scan showed a voluminous locally advanced tumor measuring 30*20 cm. The mass was multilobed and hypervascularized (A) Witch was compatible with a ...