A 20 year old woman presents with bilateral conductive deafness, palpable purpura on the legs and hemoptysis. Radiograph of the chest shows a thin-walled cavity in left lower zone. Investigation reveal total leukocyte count 12000/mm3, red cell casts in the urine and serum creatinine 3mg/dl.What is most probable diagnosis -: (A) Henoch-Schonlein purpura, (B) Polyarteritis nodosa, (C) Wegner's granulomatosis, (D) Disseminated
Answer is C. None