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An unusual cause of hypopituitarism
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An 87-year-old woman presented with lethargy, malaise, hyponatraemia and biochemical secondary hypothyroidism. Pituitary function testing revealed her to be panhypopituitary with mildly raised prolactin. MRI was performed and revealed large, bilateral, ectatic internal carotid arteries virtually meeting in the midline …
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Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.