酷似垂体瘤的鞍上大动脉瘤。

J Neurol Neurosurg Psychiatry. 1978 Jan;41(1):83-7. doi: 10.1136/jnnp.41.1.83.

Two patients had large (20--30 mm) suprasellar aneurysms with clinical findings resembling an expanding pituitary tumour. One aneurysm was giant (30 mm). Its delayed diagnosis for six years led to severe chiasmal compression. The other aneurysm was compressing the optic nerve. Visual improvement resulted after surgery.

两名患者患有大型（20 - 30毫米）鞍上动脉瘤，临床表现类似于垂体肿瘤扩大。其中一个动脉瘤为巨大型（30毫米）。其延迟诊断六年导致严重的视交叉受压。另一个动脉瘤压迫视神经。手术后视力得到改善。