Traditionally scrotal carcinoma is associated with which of the following occupations?

Ans. is 'a' i.e., Chimney sweeps & 'b' i.e., Mule spinners * Carcinoma of the scrotum.* It is traditionally recognized as an occupational hazard for chimney sweeps and mule spinners.* It was described by Potts.* Unlike carcinoma of the penis, carcinoma of the scrotum is almost unknown in India and Asiatic countries.* The growth starts as a wart or ulcer and as it grows it may involve the testis.* The growth is excised with a margin of healthy skin. If associated enlargement of the inguinal nodes does not subside with anti- biotics, a bilateral block dissection should be carried out up to the external nodes.