Woodworkers are associated with ------- sinus Carcinoma.: (A) Adenocarcinoma, (B) Squamous cell Carcinoma, (C) Anaplastic Carcinoma, (D) Melanoma
Answer is A. Workers of the furniture industry( woodworkers) develop adenocarcinoma of the ethmoids and upper nasal cavity, while those engaged in nickel refining get squamous cell anaplastic carcinoma. (Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 231)