Abstract
We present a case of acute-onset diabetes insipidus in a 69-year-old man who had been treated for lung cancer. T1-weighted MR images showed a thickened pituitary stalk and absence of the normal high intensity of the posterior pituitary lobe. Dynamic imaging demonstrated poor enhancement in the posterior lobe, whereas the anterior lobe was strongly enhanced. Autopsy revealed that metastatic tumor from lung cancer had infiltrated the posterior lobe as well as the pituitary stalk.
MeSH terms
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Aged
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Carcinoma, Small Cell / diagnosis
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Carcinoma, Small Cell / pathology
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Carcinoma, Small Cell / secondary*
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Contrast Media
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Diabetes Insipidus / diagnosis
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Diabetes Insipidus / etiology*
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Diabetes Insipidus / pathology
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Drug Combinations
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Fatal Outcome
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Gadolinium DTPA
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Humans
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Lung Neoplasms / diagnosis*
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Lung Neoplasms / pathology
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Magnetic Resonance Imaging*
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Male
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Meglumine
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Organometallic Compounds
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Pentetic Acid / analogs & derivatives
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Pituitary Gland / pathology
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Pituitary Neoplasms / diagnosis
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Pituitary Neoplasms / pathology
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Pituitary Neoplasms / secondary*
Substances
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Contrast Media
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Drug Combinations
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Organometallic Compounds
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Meglumine
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Pentetic Acid
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Gadolinium DTPA