Abstract :
Solitary fibrous tumor is fibroblastic tumor, located mostly in deep soft tissue as well as extrapulmonary sites. In the present case, a 27-year female presented with complain of bilateral nasal blockage (right >left) with history of nasal bleed. The CT scan report revealed p/o hypervascular nasal polyp and sinusitis. Patient underwent excision of granulomatous mass arising from lateral nasal wall in right nasal cavity. The pathological report stated nasal tumor with hemangiopericytoma like pattern with differential diagnosis of 1) Solitary fibrous tumor – right nasal cavity 2) Glomangiopericytoma; further Immunohistochemistry was positive for CD34 (membranous) and STAT6 (nuclear) which leads to final diagnosis of Solitary fibrous tumor – right nasal cavity. Histopathological characteristics serve as the primary criteria for differentiating this condition from other entities.
Keyword :
Immunohistochemistry, Hemangiopericytoma, Fibroblastic, Extrapulmonary, STAT6 protein.