<prompt> Youngs operation is done forAtrophic rhinitisAllergic rhinitisSeptal hematomaHypertrophic rhinitis.  <response>: Ans. a Atrophic rhinitis. Ref. ENT, PL Dhingra, 3rd ed., 190ATROPHIC RHINITIS OZAENA Chronic inflammation of nose characterized by atrophy of nasal mucosa turbinate bones. Roomy full of foul-smelling crusts Nasal cavity Primary etiology:- Hereditary, endocrinal, racial, nutritional, and autoimmune. Commonly seen in females starts at puberty Merciful anosmiaQ Atrophic ridge like nasal turbinate Pale nasal mucosa Septal perforation with saddle nose deformity. Q Atrophic pharyngitis laryngitis. Underdeveloped thick walled paranasal sinuses Tendency to recover spontaneously in middle age. Rx:- Medical: Nasal irrigation removal of crusts, 25 glucose in glycerin, local antibiotics, estradiol spray placental extract, streptomycin, KI.- Youngs operation both nostrils closed just within vestibule by raising flaps, then opened 6 months later. 