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  • Title: Pituitary apoplexy caused by luteinizing hormone-releasing hormone in prolactin-producing adenoma.
    Author: Hiroi N, Ichijo T, Shimojo M, Ueshiba H, Tsuboi K, Miyachi Y.
    Journal: Intern Med; 2001 Aug; 40(8):747-50. PubMed ID: 11518116.
    Abstract:
    We report a case in which pituitary apoplexy developed shortly after an intravenous (i.v.) injection of luteinizing hormone-releasing hormone (LH-RH). A 56-year-old man with prolactin-producing pituitary tumor complained of severe headache, visual field loss and facial nerve palsy shortly after LH-RH test. Magnetic resonance image (MRI) revealed a hemorrhage in the pituitary adenoma. He showed dramatic improvement in his symptoms after decompression surgery. These findings suggest a causal relationship between the i.v. injection of LH-RH and pituitary apoplexy. Possible pituitary apoplexy should be kept in mind during pituitary testing.
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