Qap (Anatomical Pathology) 

QAP Peer Review

AP316
Case History: F61 Left axillary mass 2.5 cm for 3 years
Intended diagnosis: Solitary fibrous tumor. Contributed by:MW
Code Diagnosis Comment Score
anonymous Myofibroblastoma (100%) confirm with immunostaining for CD34.  50
anonymous Solitary fibrous tumor nil  100
anonymous Solitary fibrous tumour nil  100
anonymous Solitary fibrous tumor (with features of giant cell angiofibroma focally). Immunostaining for CD34  100
anonymous Pleomorphic hyalinizing angiectatic tumor. CD34 usually +ve. S100-ve.  50
anonymous Solitary fibrous tumor (100%) nil  100
anonymous Left axillary mass - Solitary fibrous tumour 100% Immunostain CD34 positivity supports the diagnosis.  100
anonymous Solitary fibrous tumour nil  100
anonymous Pleomorphic hyalinizing angiectatic tumour. 100% nil  50
anonymous Mesenchymal tumor, more suggestive of Solitary fibrous tumor. Differential diagnosis with Atypical fibrous histiocytoma. nil  100
anonymous Left AXILLA mass:- SOLITARY FIBROUS TUMOR. nil  100
anonymous Solitary fibrous tumor nil  100
anonymous Solitary fibrous tumour / giant cell angiofibroma. (100%) The new WHO classification classifies the entity of giant cell angiofibroma as synonymous with extrapleural solitary fibrous tumour. The diagnosis would be confirmed with immunohistochemical staining for CD34.  100
anonymous solitary fibrous tumour with focal giant cell angiofibroma pattern (100%) perform immunostaining for CD34 for confirmation and to exclude other differential diagnoses  100
anonymous SOLITARY FIBROUS TUMOR (Immunohistochemistry for CD34, bcl 2 and CD99). (100% probability) nil  100
anonymous Solitary fibrous tumour nil  100
anonymous Perineurioma 100% EMA, vimentin, CD34, and S100.  50
anonymous Solitary fibrous tumour nil  100