“…Mohs micrographic surgery (MMS) has often been recommended because the method can theoretically trace out the microscopic ramifications of the tumor. However, since the histologic differential diagnoses may also include morphemic basal cell carcinoma, squamous cell carcinoma, desmoplastic trichoepithelioma, syringomatous eccrine carcinoma, 2,3 and others, there is some controversy concerning the reliability of MMS for MAC, especially in the absence of long‐term follow‐up data. Here we present 13 cases of MAC treated by MMS and provide long‐term, 5‐year follow‐up data 4 …”