Journal of Korean Endocrine Society 1997;12(4):602-608.
Published online January 1, 2001.
A Case of Pituitary Metastasis of Lung Presenting as Diabetes Insipidus.
Hong Seung Kim, Choon Hee Chung, Mee Yeon Cho, Yun Mi Kim, Kye Chul Shin, Do Hoon Kim, Kwang Sun Song
This is a case report of a 61 years old man with suprasellar and pituitary metastasis from bronchogenic adenocarcinoma who developed polyuria and polydipsia. The clinical diagnosis has been made by bronchoscopy with washing cytology, biopsy of cervical lymph node, and brain MRI scan. Brain MRI scan showed metastatic tumor in the suprasellar area and pituitary gland with invasion of pituitary stalk. Light microscopic findings revealed adenocarcinoma in bronchoscopic washing cytology, and metastatic adenocarcinoma in the cervical lymph node. The combined pituitary stimulation test showed decreased reserve capacity of anterior pituitary hormones. And the water deprivation test also showed complete central diabetes inspidus. We report a case of suprasellar and pituitary metastasis from bronchogenic adenocarcinoma with a review of the literature.
Key Words: Pituitary metastasis, Hypopituitarism, Diabetes insipidus, Lung cancer

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