hemangiopericytoma


Also found in: Medical, Wikipedia.

hemangiopericytoma

[hē¦mān·jē·ō‚per·ə·sī′tō·mə]
(medicine)
A tumor composed of endothelium-lined tubes or cords of cells surrounded by spherical cells with supporting reticulin network.
References in periodicals archive ?
A hemangiopericytoma-like area of vascular malignant peripheral nerve sheath tumour may be misdiagnosed as hemangiopericytoma.
Animals attending the veterinary hospital oncology sector, diagnosed with neurofibrosarcoma carcinoma solid mammary or neurofibrosarcoma hemangiopericytoma, underwent surgical tumor removal together with skin reconstruction.
It could be misdiagnosed as an epithelial tumor, or a soft tissue tumor such as fibrosarcoma, hemangiopericytoma, and malignant peripheral nerve sheath tumor.
To further determine the cell line of origin, immunohistochemical labeling for S100 protein (rabbit polyclonal anti-SlOO at 1:100, Novocastra, Newcastle, UK), CD34 (goat polyclonal anti-CD34 antibody at 1:80, Santa Cruz Biotechnology, Santa Cruz, CA, USA), smooth muscle actin (SMA; mouse monoclonal anti-SMA antibody at 1:100, Dako, Carpinteria, CA, USA), and vimentin (mouse monoclonal antivimentin antibody ViM3b4 at 1:50, Dako) was performed on 5-pm serial sections of the mass as follows: brain for S100 protein; uterus for SMA; haired skin for vimentin; and hemangiopericytoma for CD34.
The differential for an extra-axial enhancing lesion on MRI includes meningioma, hemangiopericytoma, and metastasis.
Tumor with bleeding with skull bone invasion was suspected, and hemangiopericytoma, metastasis, or other intra- or extra-axial tumor was considered.
Major depression with psychosis after resection of a giant middle fossa hemangiopericytoma.
Hemangiopericytoma of the omentum: Report of a case with a unique presentation and review of the literature.
Follow-up MRI showed a mass suggesting expansile hemangiopericytoma of the left posterior thorax.
Plasmacytoma may be similar to a meningioma, metastasis, sarcoma, chordoma, hemangiopericytoma, and giant cell tumor.
Giant hemangiopericytoma of mandible: a propos of a case: a variant of the surgical technique for protection of the articular fosse.