<prompt> Cocks peculiar tumor is:Basal cell carcinomaSquamous cell carcinomaInfected sebaceous cystCylindroma  <response>: Cocks 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 