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KMID : 1148920190530030231
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Nuclear Medicine and Molecular Imaging
2019 Volume.53 No. 3 p.231 ~ p.234
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Ipsilateral Hyperhidrosis: Atypical Symptom of Small Lung Adenocarcinoma Evaluated by 18F-FDG PET-CT
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Yoo Min-Young
Koong Sung-Soo
Kim Si-Wook
Kim Do-Hun
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Abstract
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A 45-year-old male visited our clinic due to right palmar anhidrosis and contralateral hyperhidrosis. Chest computed tomography (CT) showed a solitary pulmonary nodule with mediastinal lymph node enlargement, but a cause for atypical palmar anhidrosis was not identified. Subsequent fluorine-18-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed (PET/CT) revealed a localized pleural metastasis at the right apex with direct invasion of the paravertebral sympathetic chain. The pleural metastasis, which was not seen on chest CT, evoked ipsilateral anhidrosis independent of a mass effect or direct invasion by the primary lung tumor. 18F-FDG PET/CT can be helpful in identifying the cause of atypical symptoms in patient with small sized lung cancer.
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KEYWORD
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Lung adenocarcinoma, Hyperhidrosis, 18F-FDG PET/CT, Pleural metastasis
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