The clinical and radiologic manifestations of hemangiopericytoma

Hemangiopericytoma of the Hand

“…In our case the patient presented as painless swelling. The reported frequency of calcification in hemangiopericytoma varies from one of 106 in the series of Enzinger and smith to 5 of the patients described by Alpert et al [5]. In our case there was no calcification.…”

“…Of the other 43 cases in that series, 17 involved the head and neck region, 15 were located in the trunk and 11 were in the upper extremity. Hemangiopericytoma generally present as a painless mass, but pressure on adjacent viscera may cause symptoms [5]. In our case the patient presented as painless swelling.…”

“…It occurs equally in both sexes. It occurs most commonly in the soft tissues of the upper and lower extremities, pelvis, and retroperitoneal space and seldom in visceral organs [5]. Due to its vascular origin, it can be found anywhere in the body [2].…”

“…Complete surgical resection remains the mainstay of treatment for hemangiopericytoma [2,4,9]. The place of chemotherapy in the treatment of this tumour is not well established [2][3][4][5][6]. Treatment is primarily surgical with adjuvant radiotherapy for tumours in location like retroperitoneal and meningeal tumours which have a higher recurrence rates [8].…”

Renal hemangiopericytoma in childhood: noninvasive imaging

“…18 HPCs are characteristically hypervascular on angiograms and are strongly enhanced with well-demarcated margins on CT scans. 19 · -21 Calcification in cases of HPC is typically speckled; it was present on plain radiographs with a frequency of 0.9 to 9.6%, 1 • 2 and on CT scans with a frequency of up to 71 %. 21 In summary, the first case of renal HPC occurring in a child is reported.…”