Table 1 Primary etiology of the patients with DAH.

From: Diagnostic value of “hyperdense consolidation sign” as a characteristic new computed tomography sign of diffuse alveolar hemorrhage

Primary etiology

Number of episodes (n = 25)

Microscopic polyangiitis

8

Anticoagulants and/or antiplatelet agents

5

Goodpasture’s syndrome

1

Sjögren’s syndrome

1

Anti-phospholipid syndrome

1

Thrombotic microangiopathy

1

Acute myeloid leukemia

1

Idiopathic

7

  1. DAH, diffuse alveolar hemorrhage.