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Case 276.

Corentin Delhaye1, Michel Walsdorff1, Maxime Hackx1

  • 1From the Department of Radiology, CHU Brugmann, Place A. Van Gehuchten 4, 1020 Brussels, Belgium (C.D., M.W.); and Department of Radiology, CHR Haute Senne, Soignies, Belgium (M.H.).

Radiology
|November 22, 2019
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Summary
This summary is machine-generated.

This case study highlights a 34-year-old man with progressive shortness of breath and weight loss, presenting a diagnostic challenge. Investigations revealed significant pulmonary function abnormalities, including reduced diffusing capacity for carbon monoxide.

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Area of Science:

  • Pulmonary Medicine
  • Diagnostic Imaging
  • Internal Medicine

Background:

  • A 34-year-old male presented with progressive dyspnea and productive cough.
  • He reported significant unintentional weight loss over four months.
  • Physical examination revealed bilateral clubbing and hypoxemia.

Purpose of the Study:

  • To present a case of unexplained shortness of breath and weight loss.
  • To outline the diagnostic workup for complex pulmonary symptoms.
  • To discuss potential underlying etiologies based on clinical and imaging findings.

Main Methods:

  • Clinical history and physical examination.
  • Laboratory tests including complete blood count and arterial blood gas analysis.
  • Pulmonary function tests (PFTs) and chest imaging (radiography and CT scan).

Main Results:

  • Hypoxemia (oxygen saturation 87%) and partially compensated pulmonary alkalosis.
  • Pulmonary function tests showed normal spirometry but reduced diffusing capacity for carbon monoxide (60%).
  • Chest imaging findings were detailed (Figs 1-3).

Conclusions:

  • The patient's presentation suggests a significant underlying pulmonary pathology.
  • Further investigation is warranted to determine the cause of reduced diffusing capacity and hypoxemia.
  • This case underscores the importance of comprehensive evaluation in patients with unexplained respiratory symptoms.