Diffuse nodules in a case of chronic renal failure

Abstract

A 19-year-old male who is a diagnosed case of obstructive uropathy with subsequent chronic renal failure on hemodialysis presented with progressive breathlessness for the last 3 months.On examination he had tachypnea and respiratory examination revealed bilateral basal crepitations. There was resting hypoxia and exercise desaturation.
His Xrays and CT (both HRCT and mediastinal window without contrast) pictures are given below.