This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
Moh&;s Micrographic excision for basal cell carcinoma is used for all of the following except 
Select and explain. 
A. Recurrent Tumour, B. Tumor less than 2 cm in diameter, C. Tumors with aggressive histology, D. Tumors with perineural invasion
B: Tumor less than 2 cm in diameter
Answer: B: Tumor less than 2 cm in diameter 
Explanation: .* MOHS (Microscopically Oriented Histographic Surgery) is useful to get a clearance margin and in conditions like BCC close to eyes, nose or ear, to preserve more tissues. MOHS is becoming popular in BCC/dermatofibrosarcoma protuberans/ melanoma. Indications for surgery: * Rodent ulcer eroding into cailage or bone * BCC close to the eye * Recurrent BCC ref:SRB;s manual of surgery,ed 3,pg no 254