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Abstract

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Article in Japanese

Case Report

A case of multiple sclerosing hemangiomas of both lungs

Kazuhisa Ito  Takuro Sakagami  Tetsuya Abe  Nanako Tsutsui  Haruhiko Nakajima  Michihiko Haraguchi 

Division of Respiratory Disease, Niigata City General Hospital

ABSTRACT

A 16-year-old Chinese girl was found to have abnormalities on chest roentgenography at a school health checkup in 2004, and she visited our outpatient clinic for the first time on July 2. Based on the imaging, there were multiple nodules ranging in size up to 5 cm in the longest dimension, with regularly shaped clear margins, in both lungs. We considered lung metastases of a malignant neoplasm as the most likely diagnosis and performed a systemic workup but failed to make a clinical diagnosis. We therefore performed an open lung biopsy on November 8. Microscopically, the tumors consisted of a mixture of areas with a papillary pattern, a solid pattern and a sclerosing pattern. Component tumor cells were of two types: epithelial-like cells that covered the surface of the papillary structures and round or polygonal cells that showed a solid pattern of growth underneath. Immunohistochemical examinations revealed that these tumor cells were positive for an alveolar epithelium marker. From these results, we made a diagnosis of sclerosing hemangioma. Here we report a rare case of multiple sclerosing hemangiomas together with a review of the literature.

KEYWORDS

Multiple lung nodules  Benign pulmonary tumor 

Received 平成18年2月3日

JJRS, 44(11): 848-852, 2006

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