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J Thorac Oncol. 2007 Nov;2(11):1054-6.

Focal cholesterol granuloma in the anterior mediastinum: [18F]-fluoro-2-deoxy-D-glucose-positron emission tomography and magnetic resonance imaging findings.

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1
Department of Radiology, Kurume University School of Medicine, Fukuoka, Japan. kimichan@med.kurume-u.ac.jp

Abstract

Cholesterol granuloma is a foreign-body type granuloma that forms in reaction to cholesterol crystals. We report a rare case of focal cholesterol granuloma in the anterior mediastinum of a 62-year-old asymptomatic man that presented as an indeterminate anterior mediastinal nodule on [18F]-fluoro-2-deoxy-D-glucose-positron emission tomography and computed tomography scans. T1- and T2-weighted magnetic resonance images revealed markedly hypo-intense signals reflecting pathologic hyalinized collagen fibers. Magnetic resonance signal characteristics might be helpful for distinguishing benign cholesterol granulomas from malignant neoplasms.

PMID:
17975500
DOI:
10.1097/JTO.0b013e318158eee8
[Indexed for MEDLINE]
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