hemangiopericytoma


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hemangiopericytoma

 [he-man″je-o-per″ĭ-si-to´-mah]
a tumor composed of spindle cells with a rich vascular network, which apparently arises from pericytes.

he·man·gi·o·per·i·cy·to·ma

(he-man'jē-ō-per'i-sī-tō'mă),
An uncommon vascular, usually benign, neoplasm composed of round and spindle cells that are derived from the pericytes and surround endothelium-lined vessels; malignant hemangiopericytomas are difficult to distinguish microscopically from the benign.
[hemangio- + pericyte + G. -oma, tumor]

hemangiopericytoma

/he·man·gio·peri·cy·to·ma/ (he-man″je-o-per″ĭ-si-to´mah) a tumor composed of spindle cells with a rich vascular network, which apparently arises from pericytes.

he·man·gi·o·per·i·cy·to·ma

(hē-man'jē-ō-per'i-sī-tō'mă)
An uncommon vascular, usually benign, neoplasm composed of round and spindle cells that are derived from the pericytes and surround endothelium-lined vessels.
Synonym(s): haemangiopericytoma.

hemangiopericytoma

a tumor composed of spindle cells with a rich vascular network, which apparently arises from pericytes. See also schwannoma.
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Complication Cyanosite progressed Small cyanosites into superficial necrosis Case 3 Case 4 Sex Female Male Breed Labrador retriever Labrador retriever Age 8 years 8 years Neoplasms of Nodule in the region of Nodule in the region of the location the left elbow the right elbow Neoplasia type Neurofibrosarcoma Hemangiopericytoma Type of surgery Thoracodorsal axial Tubular indirect flap.
If dural based, the differential includes meningioma and hemangiopericytoma.
Malignant hemangiopericytoma of the omentum presenting as an ovarian tumor.
Tumor-induced osteomalacia is rare, but when it occurs is most commonly caused by benign phosphaturic mesenchymal tumors among which hemangiopericytoma is the primary one (5).
Differential diagnosis of PG includes parulis, congenital epulis, peripheral giant cell granuloma, hemangioma, peripheral fibroma, pregnancy tumor, post extraction granuloma, hemangiopericytoma, Kaposi's sarcoma, Epstein pearls, Bohn nodules.
The differential diagnosis of angioblastoma are pyogenic granuloma, kaposiform hemangioendothelioma (KHE), hemangiopericytoma, strawberry angioma etc.
Enzinger and Smith's 1976 paper on hemangiopericytoma warned of several tumors "with which it may be confused due to similar staghorn shaped vessels.
berkhoffii genotype II from a boy with epithelioid hemangioendothelioma and a dog with hemangiopericytoma.
The patient is a 65-year-old-female with a history of recurrent left parietal hemangiopericytoma.
Resection of pelvic mesenchymal tumour was done in one patient with TIO and showed features of hemangiopericytoma (Figs 3, 4).
Also in a patient with hemangiopericytoma located in the anterior mediastinum the mass was misinterpreted as tumor in the left atrium on TTE.
Hemangiopericytoma of the urinary bladder: a case report and review of the literature.