Qap (Anatomical Pathology) 

QAP Peer Review

AP285
Case History: F/51 Left knee nodule
Intended diagnosis: Myopericytoma. Contributed by:PKH
Code Diagnosis Comment Score
anonymous Myopericytoma (100%) nil  100
anonymous myopericytoma nil  100
anonymous Myopericytoma (100%) Perform immunohistochemical stain smooth muscle actin for confirmation of diagnosis.  100
anonymous Myopericytoma, 100% nil  100
anonymous Vascular leiomyoma. nil  100
anonymous Vascular leiomyoma Other differential diagnoses include glomerangioma, glomangiopericytoma and myoperiocytoma.  100
anonymous Left knee nodule - Myopericytoma 80%, Angiomyoma 20% nil  100
anonymous Myopericytoma 100% The spindled tumour cells are concentrically arranged around vascular channels. They are CD34-; SMA+.  100
anonymous Angioleiomyoma 100% nil  100
anonymous Myopericytoma. nil  100
anonymous Myopericytoma. nil  100
anonymous SOFT TISSUE, left knee, excision - MYOPERICYTOMA nil  100
anonymous Vascular leiomyoma Differential diagnosis: Myofibroma, myopericytoma  100
anonymous myopericytoma (100%) nil  100
anonymous Differential diagnoses are VASCULAR LEIOMYOMA and MYOPERICYTOMA. Perform IHC of desmin (former is positive and latter is negative) to confirm. (100% probability) nil  100
anonymous Myopericytoma 100% nil  100
anonymous Myopericytoma nil  100