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Minute pulmonary meningothelial-like nodules: a case of incidentally detected diffuse cystic micronodules on

Greg Kraushaar1, Amr M Ajlan, John C English

  • 1Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.

Journal of Computer Assisted Tomography
|September 24, 2010
PubMed

Insights

Minute pulmonary meningothelial-like nodules are common incidental findings. This rare presentation of cavitating micronodules can mimic other lung diseases, highlighting the need for radiologist awareness.

Area of Science:

  • Pulmonary Pathology
  • Radiology
  • Thoracic Imaging

Background:

  • Minute pulmonary meningothelial-like nodules (MPMNs) are frequently encountered incidental findings in surgical pathology specimens.
  • Their radiological characteristics and clinical significance remain incompletely understood, with limited descriptions in the radiology literature.

Observation:

  • We describe a rare case of multiple, incidentally detected, randomly distributed, cavitating micronodules.
  • These findings were confirmed with pathologic correlation, providing a comprehensive understanding of the entity.

Findings:

  • The presented case highlights an unusual manifestation of MPMNs.
  • The cavitating nature of these micronodules on computed tomography (CT) is a key feature.

Implications:

  • Radiologists should be aware of this rare presentation of MPMNs to avoid misdiagnosis.
  • Recognizing these findings is crucial as they can mimic more serious neoplastic or nonneoplastic pulmonary conditions.

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