منابع مشابه
Giant retroperitoneal hemangiopericytoma.
Hemangiopericytomas are rare vascular tumours that are derived from pericytes. Retroperitoneal hemangiopericytomas are usually bulky but clinically silent when diagnosed because of their slow rate of growth. A 49-year-old man, who presented with only vague symptoms of abdominal fullness for several months, was found on computed tomography to have a huge well-defined mass with areas of low atten...
متن کاملHemangiopericytoma in the Retroperitoneal Space : A Case Report
Introduction: A hemangiopericytoma is a rare soft tissue tumor of vascular origin representing 1% of all vascular neoplasms. It is derived from a pericyte of Zimmerman, which is a modified smooth muscle cell that surrounds the small blood vessels. Hemangiopericytoma can occur wherever there are vascular capillaries. In this paper, we report a case of hemangiopericytoma in retroperitoneal space....
متن کاملmalignant retroperitoneal hemangiopericytoma: report of a 73 years old woman and review of literature
introduction hemangiopericytomas (hpcs) are rare neoplasms which account for approximately 1% of primary vascular tumors. case presentation we report a 73 years old woman with vague abdominal pain who did not have further significant symptoms and was diagnosed to have retroperitoneal hemangiopericytoma. discussion the tumor was initially diagnosed by ultrasound evaluation. mri showed a lobulate...
متن کاملHemangiopericytoma of the neck
Hemangiopericytoma (HPC) is an exceedingly rare tumor of uncertain malignant potential. Approximately 300 cases of HPC have been reported since Stout and Murray described HPCs as "vascular tumors arising from Zimmerman's pericytes" in 1942. After further characterization, the WHO reclassified HPC as a fibroblastic/myofibroblastic tumor. Long term follow up is mandatory because the histologic cr...
متن کاملCongenital Hemangiopericytoma: A Case Report
Hemangiopericytoma is a rare vascular tumor observed mostly in adults. It usually presents with a painless slowly enlarging mass. The infantile type with much rarer occurrence has a different course compared to adults. Very few case reports have been described in the literature with disease onset in the infancy. The first reported case of infantile hemangiopericytoma of limbs from the Middle ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The journal of the Japanese Practical Surgeon Society
سال: 1989
ISSN: 0386-9776
DOI: 10.3919/ringe1963.50.797