Acronym

NSIP - Non-Specific Interstitial Pneumonia

Non-Specific Interstitial Pneumonia

Computed tomography pattern less specific than usual interstitial pneumonia; ground-glass dominant with reticular component

Expansion

Non-Specific Interstitial Pneumonia

Purpose

Seen in connective tissue disease, drug-induced, idiopathic non-specific interstitial pneumonia

Clinical Context

Non-specific interstitial pneumonia less aggressive than usual interstitial pneumonia. Seen in connective tissue disease (scleroderma), myositis, drug-induced pneumonitis. Better prognosis than usual interstitial pneumonia.

  • Usual interstitial pneumonia
  • Interstitial lung disease

Key Points

  • Non-specific interstitial pneumonia shows ground-glass plus reticular; upper lobe involvement; no honeycombing; often reversible