Abstract
The authors report a series of 19 patients with one (17 cases) or two (2 cases) pericallosal aneurysms referred during the past 10 years. Of the 19 patients, 18 had a ruptured pericallosal aneurysm and one was asymptomatic. On admission two were graded I, four graded II, six graded III, and six graded IV. Of the latter group two patients died from rebleeding, and the asymptomatic patient would not undergo surgery. The 16 operated patients underwent surgery after a delay ranging from 6 to 90 days after hemorrhage (25 days on average). The delayed surgery allowed the patients to be operated on in better neurological status: seven were graded I or Ia, six graded II, three graded III, and none graded IV. The results were excellent (with resumption of their previous activity) in 11 cases (69%), good (autonomous but with a slight deficit) in 4 cases (25%), and bad in 1 case (6%). There was no operative mortality or morbidity.
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