Three cases of surgically verified intramedullary cavernous angioma (c
avernoma) of the spinal cord are reported. Intramedullary cavernomas o
f the cord are quite uncommon and account for between 3 and 12% of all
vascular lesions of the spinal cord. Little is known of their natural
history, although their tendency to produce haemorrhage and episodic
symptomatic worsening is recognized. Our series includes one male and
two females whose ages ranged between 31 and 67 years. The most common
presenting symptom was pain, which in all cases preceded weakness. In
two of our cases, the typical progression of sudden paroxysmal worsen
ing of symptoms accompanied by pain was noted. This was thought to be
related to bleeding in the lesion. In this series, an average of 8 yea
rs had elapsed after the onset of symptoms before the patients came to
surgery. Standard microsurgical technique facilitated removal of the
lesions, following which all patients regained preoperative function.