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Thorax 59:1004 doi:10.1136/thx.2004.031682
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Idiopathic diffuse pulmonary ossification

  1. C F Ryan1,
  2. J D Flint2,
  3. N L Müller3
  1. 1Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
  2. 2Department of Pathology, University of British Columbia, Vancouver, BC, Canada
  3. 3Department of Radiology, University of British Columbia, Vancouver, BC, Canada
  1. Correspondence to:
    Dr C F Ryan
    UBC Respiratory Clinic, 2775 Heather Street, Vancouver, BC, V5Z 3J5, Canada; fryaninterchange.ubc.ca

    A 51 year old man presented with a 1 year history of fatigue and night sweats, cough with clear sputum, central chest discomfort, and mild exertional dyspnoea. A detailed exposure history was negative. Laboratory investigations including tuberculin skin test, white cell count, ESR, C-reactive protein, urea, creatinine and electrolytes, protein electrophoresis, rheumatoid factor, antinuclear antibody, calcium, alkaline phosphatase and liver function tests were all normal. Urinalysis and 24 hour urine calcium excretion were …