Qap (Anatomical Pathology) 

QAP Peer Review

AP306
Case History: M/84 Right groin mass
Intended diagnosis: Verruciform xanthoma. Contributed by:PC
Code Diagnosis Comment Score
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma, 100% nil  100
anonymous Verruciform xanthoma nil  100
anonymous VERRUCIFORM XANTHOMA 100% Remote ddx: 1. Rosai-Dorfman disease should be S100+. 2. Infective organisms can be ruled out by ZN, Grocott stains etc.  100
anonymous Verrucous xanthoma nil  100
anonymous Groin - Verruciform xanthoma 100% Need to correlate with clinical history (e.g any STD). Foamy histiocytes and lymphoplasmacytic infiltrate raise possibility of infective causes. To do special stains (rule out fungal, spirochaetal, protozoal organisms).  100
anonymous Verruciform xanthoma, 100% nil  100
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma. nil  100
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma (100%) nil  100
anonymous Favour: Cutaneous Verruciform Xanthoma 100% Verruciform Xanthoma normally occurs in oral cavity and rarely affects skin. For the present case, infective cause needs to be excluded, including: Atypical Mycobacterial species (e.g. MAI), Mycobacterium Leprae; and less likely, HPV infection.  100
anonymous verruciform xanthoma (100%) nil  100
anonymous Skin: verruciform xanthoma (100% probability). nil  100
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma nil  100
anonymous Verruciform xanthoma 100% nil  100