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Tracheopathia osteoplastica: familial occurrence.

U B Prakash1, A E McCullough, E S Edell

  • 1Division of Thoracic Diseases, Mayo Clinic, Rochester, MN 55905.

Mayo Clinic Proceedings
|September 1, 1989
PubMed
Summary

Tracheopathia osteoplastica, a rare condition causing bone growths in the airway, was diagnosed in two patients via bronchoscopy. This case report highlights the first known familial occurrence of this unusual tracheobronchial disease.

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Area of Science:

  • Pulmonology
  • Rare Diseases
  • Medical Imaging

Background:

  • Tracheopathia osteoplastica (TO) is a rare condition characterized by osteochondromatous deposits within the tracheobronchial tree.
  • The etiology of TO remains unknown, and diagnosis is often delayed due to its chronic and asymptomatic nature, with most cases identified postmortem.

Observation:

  • This report details two female patients diagnosed with TO through bronchoscopy, presenting with hemoptysis and asthma-like symptoms, respectively.
  • One patient experienced recurrent pneumonia due to bronchial obstruction, while the other had dyspnea relieved by surgical removal of tracheal lesions.

Findings:

  • Bronchoscopy confirmed tracheopathia osteoplastica in both patients, revealing characteristic cartilaginous or bony projections into the airway lumen.
  • Histological examination showed heterotopic bone formation, consistent with the diagnosis of TO.

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Implications:

  • The study presents the first documented instance of familial tracheopathia osteoplastica, suggesting a potential genetic component.
  • Early diagnosis and intervention, as demonstrated in one patient, may alleviate symptoms and prevent complications like pneumonia.