A unique, histopathologic lesion in a subset of patients with spontaneous pneumothorax

Deborah A Belchis, Kris Shekitka, Christopher Gocke

Research output: Contribution to journalArticle

Abstract

Context.-Spontaneous pneumothorax can be idiopathic (primary), or it can occur in association with an underlying predisposing condition (secondary). Spontaneous pneumothorax may be a harbinger of an undiagnosed clinical condition, which may be associated with serious systemic abnormalities, making early recognition and diagnosis important. The pulmonary pathology of some of these disorders has not been fully elucidated. Objective.-To review cases of pneumothorax in the hope of identifying pathologic features that might correlate to specific clinical syndromes. Design.-The pathology computer files at 3 hospitals were searched for all cases of spontaneous pneumothorax, primary and secondary, regardless of etiology during a 11- year period. Ninety-two cases were retrieved. Each of the cases was evaluated for reactive eosinophilic pleuritis, elastosis, pleural fibrosis, emphysema, intra-alveolar macrophages, cholesterol clefts, vasculopathy, and intraparenchymal or intrapleural cysts. Clinical information regarding asthma and smoking history, site of the pneumothorax, family history, radiographic findings, predisposing conditions, recurrence, age, and sex were extracted from the medical records. Results.-In 11 patients (12% of all the patients with spontaneous pneumothorax), a distinctive pattern of pleural fibrosis with islands of fibroblastic foci within a myxoid stroma was noted at the pleural-parenchymal interface or leading edge. These lesions correlated with a select subset of patients, consisting predominantly of young men. Conclusions.-Our review identified a distinct pattern of pneumothorax-associated fibroblastic lesions in a subset of cases of spontaneous pneumothorax. Whether this is related to the pathogenesis of the pneumothorax remains to be elucidated.

Original languageEnglish (US)
Pages (from-to)1522-1527
Number of pages6
JournalArchives of Pathology and Laboratory Medicine
Volume136
Issue number12
DOIs
StatePublished - Dec 2012

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Pneumothorax
Hope
Fibrosis
Pathology
Pleurisy
Emphysema
Alveolar Macrophages
Islands
Medical Records
Cysts
Early Diagnosis
Asthma
Smoking
History
Cholesterol
Recurrence
Lung

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Medical Laboratory Technology

Cite this

A unique, histopathologic lesion in a subset of patients with spontaneous pneumothorax. / Belchis, Deborah A; Shekitka, Kris; Gocke, Christopher.

In: Archives of Pathology and Laboratory Medicine, Vol. 136, No. 12, 12.2012, p. 1522-1527.

Research output: Contribution to journalArticle

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