BACKGROUND: Cavernous angiomas are responsible for intracranial hemorrhages, but bleeding is infrequently confined to the subarachnoid space. METHODS: We describe an elderly, yet healthy man who sought medical attention for subarachnoid hemorrhage. RESULTS: Vascular imaging failed to reveal a cerebral aneurysm, however magnetic resonance imaging done late in the course showed a cavernous angioma, on the surface of the left upper cerebellar peduncle, that had bled. CONCLUSIONS: The so-called "angiography-negative" subarachnoid hemorrhage could have its source in small cavernous angiomas lying on the surface of basal skull brain structures.
BACKGROUND: Cavernous angiomas are responsible for intracranial hemorrhages, but bleeding is infrequently confined to the subarachnoid space. METHODS: We describe an elderly, yet healthy man who sought medical attention for subarachnoid hemorrhage. RESULTS: Vascular imaging failed to reveal a cerebral aneurysm, however magnetic resonance imaging done late in the course showed a cavernous angioma, on the surface of the left upper cerebellar peduncle, that had bled. CONCLUSIONS: The so-called "angiography-negative" subarachnoid hemorrhage could have its source in small cavernous angiomas lying on the surface of basal skull brain structures.
Authors: M Yamamoto; T Fukushima; K Ikeda; S Nagasaka; S Sakamoto; K Oka; M Tomonaga; F Maehara Journal: Neurol Med Chir (Tokyo) Date: 1993-10 Impact factor: 1.742
Authors: J J Heit; G T Pastena; R G Nogueira; A J Yoo; T M Leslie-Mazwi; J A Hirsch; J D Rabinov Journal: AJNR Am J Neuroradiol Date: 2015-09-03 Impact factor: 3.825
Authors: Gelareh Sadigh; Chad A Holder; Jeffrey M Switchenko; Seena Dehkharghani; Jason W Allen Journal: J Neurosurg Date: 2017-10-13 Impact factor: 5.115
Authors: Pasindu M Fernando; B M Munasinghe; M D C J P Jayamanne; K A Jayasundara; W S N W B M A G Arambepola; Selliah Pranavan; N D Ranathunge Journal: Surg Neurol Int Date: 2021-06-07