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KMID : 0191120130280091399
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Journal of Korean Medical Science
2013 Volume.28 No. 9 p.1399 ~ p.1402
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Muscular Sarcoidosis Detected by F-18 FDG PET/CT in a Hypercalcemic Patient
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Han Eun-Ji
Jang Yi-Sun
Lee In-Suk
Lee Jong-Min
Kang Si-won
Kim Hye-Soo
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Abstract
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Sarcoidosis is a systemic granulomatous disease of unknown etiology that involves many organs, occasionally mimicking malignancy. We herein report a 50-yr-old woman of muscular sarcoidosis of chronic myopathic type, manifested by hypercalcemia and muscle wasting. Besides insignificant hilar lymphadenopathy, her sarcoidosis was confined to generalized atrophic muscles and therefore, F-18 FDG PET/CT alone among conventional imaging studies provided diagnostic clues for the non-parathyroid-related hypercalcemia. On follow-up PET/CT during low-dose steroid treatment, FDG uptake in the muscles disappeared whereas that in the hilar lymph nodes remained. PET/CT may be useful in the evaluation of unexpected disease extent and monitoring treatment response in suspected or known sarcoidosis patients.
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KEYWORD
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Muscular Disease, Sarcoidosis, Hypercalcemia, Fluorine-18 Fluorodeoxyglucose, Positron Emission Tomography
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