[Traumatic cerebral aneurysm showing remarkable extravasation into  the lateral ventricle--report of a case in an infant (author's transl)].
A case of traumatic cerebral aneurysm showing remarkable extravasation into the lateral ventricle was reported. This 9-month-old female baby fell down from 30 cm height and hit the right occipital area against the concrete floor. Immediately after the accident she cried, but three minutes later apnea and cardiac arrest were developed. On admission, plain craniogram showed a linear skull fracture extending from the parietal to occipital area on her right side. Since the retrograde vertebral angiography performed through the right brachial artery revealed no finding of hematoma, the patient was treated conservatively. On the third day from the accident, she developed convulsion on her right leg and the left CAG showed an aneurysm of 5 mm X 3 mm size at C2 portion of the carotid artery but no hematoma was detected. As plain craniograms taken with intervals revealed progressive suture separation, V-P shunt was performed. Immediately after the operation, mydriasis was noted on the left side. The left CAG showed remarkable extravasation of the contrast medium from the aneurysm into the left lateral ventricle. Trapping of the aneurysm was performed and the clot was removed out of the left lateral ventricle as much as possible. Ten months after surgery, she was able to eat. Development and treatment of traumatic aneurysms and extravasation from aneurysms of various origin have been discussed.
D001930:Brain Injuries / Q000150:complications*; D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging*; D002557:Cerebrospinal Fluid Shunts; D005260:Female; D006801:Humans; D007223:Infant; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging* / Q000209:etiology / Q000601:surgery; D011859:Radiography