수지상 폐골화 - 1예 보고 -
Dendriform Pulmonary Ossification - A case report -
정찬권, 이교영, 강창석, 심상인, 김병기,
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정찬권 ( Jung Chan-Kwon )
가톨릭대학교 의과대학 임상병리학교실
이교영 ( Lee Kyo-Young )
가톨릭대학교 의과대학 임상병리학교실
강창석 ( Kang Chang-Suk )
가톨릭대학교 의과대학 임상병리학교실
심상인 ( Shim Sang-In )
가톨릭대학교 의과대학 임상병리학교실
김병기 ( Kim Byung-Kee )
가톨릭대학교 의과대학 임상병리학교실
KMID : 0357920000340110950
Abstract
The dendriform pulmonary ossification (DPO) is a rare condition of unknown origin in which branching mature bony spicules, usually containing marrow, are found within the alveolar septa. DPO manifests slow progression over many years or may remain unchanged; spontaneous regression has not been recorded. Most patients have no symptoms directly attributed to the ossification, although they may have symptoms due to the underlying fibrotic process. We experienced a case of DPO in 38 year-old-man who presented with cough and sputum for a month. The chest X-ray showed marked coarsened interstitial lung markings in both lungs, especially in the lower lobes. Open lung biopsy was done. Grossly, there were significant dendriform osseous structures. Histologically, branching arrays of mature bone were found in the interstitium and occasionally in alveolar spaces. Some bony trabeculae contained fatty or cellular marrow. The alveolar septa showed fibrous thickening with chronic inflammation. The transition between fibrosis and bone tissue was observed. Our case suggests that dendriform pulmonary ossification may be a rare special manifestation of chronic fibrosing interstitial inflammation of the lung. Osseous structures seem to derive from metaplastic bone formation in the vicinity of undergoing fibrous process.
키워드
Diffuse pulmonary ossification;Dendriform pulmonary ossification;Metaplastic ossification;Interstitial lung disease
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