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日本呼吸器学会英文誌 Respiratory Investigation
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Abstract

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Article in Japanese

Case Report

Case of idiopathic dendriform pulmonary ossification diagnosed by video-assisted thoracic surgery and followed over a long period of 12 years

Kentaro Ono  Tomoshi Takeda  Mai Fujinami  Koki Fukuda  Yumi Kato  Ryuichi Saito  Naoki Magono  Tetsuya Ueda  Kenshi Bando  Yoshinori Hasegawa 

Department of Respiratory Medicine, Osaka Saiseikai Nakatsu Hospital

ABSTRACT

The patient was a 39-year-old man who had initially consulted our hospital at the age of 27 for an abnormal radiological finding of the chest that had been detected at a medical checkup. At that time, he had no symptoms, although a chest CT revealed diffuse reticulonodular shadows bilaterally. Video-assisted thoracic surgery was performed, and lung biopsy specimens were obtained. Histologically, there were multiple coral-like dendritic foci of bone in the lung: the larger foci occasionally contained hematopoietic marrow. The patient was diagnosed as having idiopathic dendriform pulmonary ossification. Follow-up examination after 12 years showed no significant deterioration of clinical, radiological, or physiological findings. Although idiopathic dendriform pulmonary ossification is usually diagnosed on postmortem examination, this case was diagnosed by biopsy in a patient. This is the first report of idiopathic dendriform pulmonary ossification being observed in Japan over a period of such length.

KEYWORDS

Diffuse pulmonary ossification  idiopathic dendriform pulmonary ossification  Video-assisted thoracic surgery 

Received 6 Aug 2012 / Accepted 3 Dec 2012

AJRS, 2(3): 264-268, 2013

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