Pott's puffy tumour is related to:: (A) Infected cell in middle turbinate, (B) Tuberculous sinusitis, (C) Pyogenic infection of frontal sinus, (D) Cavernous sinus thrombosis
Answer is C. Pott's puffy tumour is a complication of pyogenic infection of frontal sinus. Pus collects under the periosteum on the anterior surface of the frontal sinus with associated oedema of skin and subcutaneous tissues.