Angioinvasive pulmonary mucormycosis presenting with massive haemoptysis secondary to pulmonary artery pseudoaneurysm

Sourabh Prakash Kulkarni1, Venkatraman Bhat2, Gadabanahalli Karthik1

  • 1Radiology, Narayana Health city, Bengaluru, Karnataka, India.

BMJ Case Reports
|February 4, 2026
PubMed

Insights

Pulmonary artery pseudoaneurysm (PAP) is a rare complication of infections like mucormycosis, especially in uncontrolled diabetes. Early diagnosis and intervention are crucial for treating this potentially fatal condition.

Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Radiology

Background:

  • Pulmonary artery pseudoaneurysm (PAP) is a rare, potentially fatal condition.
  • PAP can arise from congenital issues, infections (tuberculosis, bacterial), or pulmonary hypertension.
  • Angio-invasive mucormycosis is an uncommon cause of PAP, often diagnosed postmortem.

Purpose of the Study:

  • To present a case of pulmonary mucormycosis complicated by PAP.
  • To emphasize the importance of clinical suspicion and diagnostic imaging in identifying the specific etiology of PAP.
  • To highlight successful treatment through timely intervention.

Main Methods:

  • Case report presentation.
  • Review of clinical presentation, diagnostic imaging (e.g., CT angiography), and treatment course.
  • Emphasis on the role of uncontrolled diabetes as a predisposing factor.

Main Results:

  • A patient with clinically unsuspected, uncontrolled diabetes developed pulmonary mucormycosis with a complicating PAP.
  • Diagnosis was achieved through a combination of clinical suspicion and appropriate imaging.
  • Timely intervention led to successful management of the life-threatening complication.

Conclusions:

  • Pulmonary mucormycosis can lead to PAP, particularly in patients with uncontrolled diabetes.
  • Heightened clinical suspicion and appropriate imaging are vital for diagnosing PAP's specific etiology.
  • Prompt diagnosis and intervention are key to managing this severe complication.

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