Alpha Lynch Howah surgery is for: (A) Nasal septal perforation, (B) Chronic frontal sinusitis, (C) Acoustic neuroma, (D) Otosclerosis
Answer is B. External frontoethmoidectomy (Howah's or Lynch operation) - The frontal sinus is entered through its floor by a curvilinear incision round the inner margin of the orbit. Diseased mucosa is removed, ethmoid cells exenterated and a new frontonasal duct created. Ref- Dhingra, 6th edition , page 196.