Article Text
Panhypopituitarism secondary to a solitary hypothalamic metastasis
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Description
A 50-year-old woman with breast cancer and widespread skeletal metastases presented with lethargy, weight gain and memory loss. Blood tests showed panhypopituitarism: thyroid-stimulating hormone 0.17 mU/L (0.35–5.5), free T4 4.2 pmol/L (10–19.8), free T3 1.2 pmol/L (3.5–6.5), luteinising hormone <0.1 µmol/L (16–75 postmenopausal), follicle-stimulating hormone <0.3 U/L (21–140 postmenopausal) and random cortisol 32 nmol/L. Prolactin was also low …