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Bone Scan With Pulmonary Uptake in Scleroderma.

Fatemeh Farahmandfar1, Sadegh Moradian2, Mehran Pournazari3

  • 1From the Nuclear Medicine Department, Kermanshah University of Medical Sciences, Kermanshah, Iran.

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Summary
This summary is machine-generated.

A bone scan for wrist osteomyelitis revealed unexpected lung abnormalities in a scleroderma patient. This finding highlighted nonspecific interstitial pneumonia, a nonfibrotic lung condition.

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Area of Science:

  • Nuclear Medicine
  • Pulmonary Medicine
  • Rheumatology

Background:

  • Scleroderma is an autoimmune disease affecting connective tissue, potentially involving lungs.
  • Osteomyelitis evaluation often uses 3-phase bone scans with methylene diphosphonate (MDP).

Observation:

  • A 61-year-old woman with scleroderma presented with suspected left wrist osteomyelitis.
  • A 3-phase bone scan was performed for osteomyelitis assessment.

Findings:

  • The bone scan incidentally revealed bilateral pulmonary MDP uptake, predominantly in the lower lobes.
  • This pulmonary uptake was confirmed to be caused by the nonfibrotic form of nonspecific interstitial pneumonia.

Implications:

  • 3-phase bone scans can incidentally detect pulmonary abnormalities.
  • Pulmonary MDP uptake may indicate interstitial lung disease, such as nonspecific interstitial pneumonia, in patients with scleroderma.