This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic Surgery and Skin Lesions, Subject name: Surgery
Characteristic feature of basal cell carcinoma is: 
Select and explain. 
A. Keratin pearls, B. Foam cells, C. Nuclear palisading, D. Psammoma bodies
C: Nuclear palisading
Answer: C: Nuclear palisading 
Explanation: Characteristic features of basal cell carcinoma are: Low grade malignancy. More common in fair & dry skinned people . NUCLEAR PALISADING on histology. Exposure to sunlight is an impoant etiological factor . Has been seen following prolonged administration of Arsenic.