Cock's peculiar tumor is:
High-Yield Explanation
* Cock's peculiar tumor - Infected sebaceous cyst of scalp * Potts puffy tumor - Osteomyelitis of skull bone - Involved pa - frontal bone * Pilomatrixoma - AKA calcifying epithelium of malherb - Benign hair follicle derived tumor * Cylindroma - AKA turban tumor as it appears like turban histologically