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Updated: Feb 8, 2026

Electrode Fabrication and Implantation in Aplysia californica for Multi-channel Neural and Muscular Recordings in Intact, Freely Behaving Animals

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[Osteochondroplastic tracheobronchopathy: About three cases].

M Ferreira¹, H Morel², A Dixmier²

¹Service de pneumologie et d'explorations fonctionnels respiratoires, centre hospitalier universitaire de Tours, 37000 Tours, France.

Revue Des Maladies Respiratoires

|June 28, 2018

Summary

This summary is machine-generated.

Osteochondroplastic tracheobronchopathy (OCTB) is a rare condition causing airway nodules. Diagnosis relies on imaging and bronchoscopy findings of tracheal wall irregularities with calcification.

Keywords:

Calcification Cough Dyspnea Dyspnée Infection Toux Tracheal diseases Trachée

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Area of Science:

Pulmonology
Rare Diseases
Medical Imaging

Background:

Osteochondroplastic tracheobronchopathy (OCTB) is a rare disorder affecting the tracheobronchial tree.
Characterized by cartilaginous or bone nodules projecting into the airway lumen.
Often asymptomatic, but can present with chronic cough, hemoptysis, or respiratory infections.

Observation:

Presents three cases of symptomatic OCTB in adult patients.
Symptoms included bronchial infections, pneumonia with sputum difficulties, and chronic cough.
Diagnosis was suspected from imaging showing tracheal/bronchial wall irregularities with calcification, confirmed by bronchoscopy and biopsy.

Findings:

OCTB is a benign pathology.
Can lead to symptoms from mild cough to severe airway obstruction due to tracheobronchial stenosis.
Diagnosis is key and can be made using CT scans or bronchoscopy showing characteristic wall irregularities and calcification.

Implications:

Highlights the importance of considering OCTB in patients with unexplained respiratory symptoms and suggestive imaging findings.
Emphasizes CT scan and bronchoscopy as crucial diagnostic tools.
Aims to limit unnecessary examinations and biopsies by promoting early OCTB diagnosis.