An immunohistochemical study of sinonasal hemangiopericytoma

作者：Yokoi Hidenori^*; Arakawa Atsushi; Kuribayashi Kyoko; Inoshita Ayako; Haruyama Takuo; Ikeda Katsuhisa

来源：Auris Nasus Larynx, 2011, 38(6): 743-746.

DOI：10.1016/j.anl.2011.04.009

• Sinonasal hemangiopericytoma like tumor
• True hemangiopericytoma
• Immunohistochemical study

We present herein the imaging and pathological features of a 28-year-old male with a sinonasal hemangiopericytoma-like tumor occupying the left nasal meatus. At the initial visit, a nasal polyp was suspected, but, as the patient was bleeding readily, an angiomatoid lesion was also regarded as a possible diagnosis.
Based on a thorough histopathological analysis, a sinonasal hemangiopericytoma-like tumor was diagnosed. Hematoxylin and eosin staining also showed a mild degree of nuclear pleomorphism and a slight increase in mitotic activity, and immunohistochemical studies using anti-CD34, MIB-1, and Vimentin antibodies were useful for distinguishing the hemangiopericytoma-like tumor from true hemangiopericytoma and a solitary fibrous tumor.

• 出版日期2011-12