All of the following are true about Idiopathic Pulmonary Hemosiderosis Except:
Answer is B (Alveolar capillary constriction): Idiopathic Pulmonary Hemosiderosis is associated with alveolar capillary dilatation and not alveolar capillary constriction. Pathological Features of Idiopathic Pulmonary Hemosiderosis Bland Alveolar hemorrhage (without capillaritis or inflammation of blood vessels) Hyperplasia of type H pneumocytes Alveolar capillary dilatation and touosity Hemosiderin laden macrophages in alveolar spaces of interstitium
Hypoxemia
Alveolar capillary constriction
Hyperplasia of type II Pneumocytes
Hemosiderin laden macrophages