Metaplastic ossification in the cartilage of the bronchus of a patient with chronic multi-drug resistant tuberculosis

A case report

Seok Yong Eum, Ji Hye Kong, Bo Young Jeon, Sangnae Cho, Jhingook Kim, Laura E. Via, Clifton E. Barry, Won Jung Koh

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Introduction. Pulmonary ossification has been rarely observed in pulmonary fibrosis and in some chronic respiratory diseases such as chronic obstructive pulmonary disease. We report here a metaplastic ossification in the bronchial cartilage of a patient with multi-drug resistant tuberculosis. Case presentation. We report the case of a 41-year-old Asian man from Korea with chronic multi-drug resistant tuberculosis with a rare focus of bone formation from the cartilage of a bronchus subtending an active cavity. The patient had a large multi-lobed, thick-walled cavitary tuberculosis lesion in his left upper lobe. Severe infiltration of his lymphocytes and epithelioid cells, along with some giant cells and neutrophils, was observed in the patient's bronchial wall. Desquamated bronchial epithelium and acid-fast bacilli were found inside his bronchus. A small focus of bony metaplasia was found in the cartilage of his bronchial wall. Histopathological examination confirmed calcification and showed hematopoietic cells forming in his marrow cavity. Conclusions. Chronic inflammation in the lungs of our patient, caused by underlying tuberculosis, probably played a role in the development of osseous metaplasia from the associated cartilage of the bronchial wall.

Original languageEnglish
Article number156
JournalJournal of Medical Case Reports
Volume4
DOIs
Publication statusPublished - 2010 May 28

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Multidrug-Resistant Tuberculosis
Bronchi
Osteogenesis
Cartilage
Metaplasia
Tuberculosis
Epithelioid Cells
Pulmonary Fibrosis
Giant Cells
Korea
Chronic Obstructive Pulmonary Disease
Bacillus
Pneumonia
Neutrophils
Chronic Disease
Epithelium
Bone Marrow
Lymphocytes
Lung
Acids

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Eum, Seok Yong ; Kong, Ji Hye ; Jeon, Bo Young ; Cho, Sangnae ; Kim, Jhingook ; Via, Laura E. ; Barry, Clifton E. ; Koh, Won Jung. / Metaplastic ossification in the cartilage of the bronchus of a patient with chronic multi-drug resistant tuberculosis : A case report. In: Journal of Medical Case Reports. 2010 ; Vol. 4.
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Metaplastic ossification in the cartilage of the bronchus of a patient with chronic multi-drug resistant tuberculosis : A case report. / Eum, Seok Yong; Kong, Ji Hye; Jeon, Bo Young; Cho, Sangnae; Kim, Jhingook; Via, Laura E.; Barry, Clifton E.; Koh, Won Jung.

In: Journal of Medical Case Reports, Vol. 4, 156, 28.05.2010.

Research output: Contribution to journalArticle

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