PT  - JOURNAL ARTICLE
AU  - Sajjad Ahmad
AU  - Fiona Smeeton
AU  - Caroline Hayhurst
AU  - Andrew Lansdown
TI  - Pituitary metastasis of prostate cancer presenting as a unilateral third nerve palsy
AID  - 10.1136/bcr-2020-234550
DP  - 2020 Jun 01
TA  - BMJ Case Reports
PG  - e234550
VI  - 13
IP  - 6
4099  - http://casereports.bmj.com/content/13/6/e234550.short
4100  - http://casereports.bmj.com/content/13/6/e234550.full
SO  - BMJ Case Reports2020 Jun 01; 13
AB  - A 60-year-old man presented with right third nerve palsy and headaches. Neuroimaging showed a pituitary lesion. There was evidence of rapid enlargement on interval scans, invasion of the cavernous sinus and displacement of the pituitary stalk. He subsequently developed anterior hypopituitarism. CT thorax, abdomen and pelvis did not show any evidence of malignancy. This was thought to be an aggressive pituitary macroadenoma but histology post-trans-sphenoidal surgery surprisingly showed metastasis from an undiagnosed prostate primary. His prostate specific antigen was raised and MRI pelvis confirmed locally advanced prostate cancer.