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  • Title: Smoking, polyuria and impaired vision.
    Author: Granata A, Viola G, Privitera C, Romeo G, Cacciaguerra S, Gaeta M, Sicurezza E, Figuera M.
    Journal: Clin Nephrol; 2007 Jan; 67(1):49-52. PubMed ID: 17269600.
    Abstract:
    The pituitary gland can be involved in a variety of medical conditions, including metastatic tumors. Metastases to the pituitary gland, although absolutely rare, more commonly affect the posterior pituitary lobe and so frequently present with diabetes insipidus. We report on a 48-year-old male heavy smoker patient suffering from sudden onset of polyuria and persistent thirst. Laboratory results revealed central diabetes insipidus. Computed tomography (CT) scan of the brain showed a mass located in the sella turcica and in the suprasellar region. CT scan of the chest showed a mass in the right superior lobe with mediastinal lymphadenopathy, with bronchoscopy and biopsy features of pulmonary adenocarcinoma. The patient received radiotherapy on the pituitary gland and adjuvant chemotherapy, and as intrasellar and suprasellar mass decreased in size, urinary output was accordingly reduced. Therefore, is that in patients with risk factors for cancer and sudden onset of diabetes insipidus pituitary metastasis should be taken into account in differential diagnosis.
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