Qap (Anatomical Pathology) 

QAP Peer Review

AP239
Case History: F/24, Left parietal scalp mass for 1 year, slowly enlarging.
Intended diagnosis: Superficial angiomyxoma. Contributed by:MST
Code Diagnosis Comment Score
anonymous Benign soft tissue tumour (100%), suggestive of superficial angiomyxoma, differential diagosis - schwannoma, S100 positive. nil  100
anonymous neurofibroma nil  70
anonymous CUTANEOUS MYXOMA To look for the presence of other lesions of Carney’s complex ?e.g. lentigines, atrial myxomas, and blue nevi  100
anonymous Superficial angiomyxoma nil  100
anonymous Cutaneous myxoma(Superficial angiomyxoma). 100% Other lines of differentiation can be excluded by a panel of immunostains eg. S100 for neural etc.  100
anonymous Superficial angiomyxoma.(100%) Do S100 protein to exclude neurofibroma.  100
anonymous Scalp - Superficial angiomyxoma 80% - Low grade Myxoid MFH (Myxofibrosarcoma) 20% Nil  80
anonymous Nodular fasciitis (100%) Since lesion is in the scalp, the subtype of cranial fasciitis need to be considered.  70
anonymous Superficial angiomyxoma. 90% Schwannoma.10% Perform S100 to exlude schwannoma.  100
anonymous Superficial angiomyxoma. nil  100
anonymous Soft tissue, left parietal scalp, excision - Giant cell angiofibroma. nil  70
anonymous Superficial angiomyxoma nil  100
anonymous Superficial angiomyxoma (100% probability) nil  100
anonymous Superficial angiomyxoma (100%) nil  100
anonymous SKIN - SUPERFICIAL ANGIOMYXOMA (100%) nil  100