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KMID : 0828520130170040228
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Journal of the Korean Geriatrics Society
2013 Volume.17 No. 4 p.228 ~ p.233
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Ectopic Adrenocorticotropic Hormone Syndrome Associated With Thymic Carcinoma in Old Age
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Kim Min-Gyu
Ryu Il-Hwan
Kim Joo-Seok
Yoon Su-A
Lee Jae-Min
Yu Hye-Min
Park Kang-Seo
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Abstract
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A 70-year-old woman who developed a moon face was hospitalized. At admission, adrenocorticotropic hormone (ACTH) and serum cortisol levels were elevated. A high-dose dexamethasone suppression test demonstrated that cortisol secretion was uninhibited. Furthermore, chest computed tomography revealed an anterior mediastinal mass. On the basis of these results, ectopic ACTH syndrome was diagnosed and complete resection of the thymic tumor was performed. Histological examination revealed large cell neuroendocrine carcinoma of the thymus and positive immunoreactivity for ACTH. However, despite complete excision of the thymic tumor, ACTH and serum cortisol levels were high. Therefore, we investigated whether the lesion had recurred or metastasized; however, the results were inconclusive. Finally, laparoscopic bilateral adrenalectomy was performed to control the hypercortisolemia. After the surgery, the serum cortisol level was well-controlled and the general condition of the patient was good.
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KEYWORD
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Ectopic ACTH syndrome, Thymic carcinoma, Neuroendocrine carcinoma
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