Cock's peculiar tumor is -: (A) Rodent ulcer of nose, (B) Local osteomyelitis of cranium, (C) Chronic infection of sebaceous cyst, (D) Keratin horn
Answer is C. Ans. is 'c' i.e., Chronic infection of sebaceous cyst o Cocks peculiar tumour is actually a complication of sebaceous cyst. When the sebaceous cyst of the scalp ulcerates excessive granulation tissue forms resembling fungating epithelioma.This is called cock's peculiar tumour.