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A patient who had bilateral distal anterior cerebral artery aneurysms and a right middle cerebral artery aneurysm in association with polycystic kidney and liver disease is reported. A 57-year-old woman was referred to our center with headache and disturbance of consciousness. On admission, her level of consciousness as evaluated by the Japan Coma Scale was 10. CT revealed subarachnoid hemorrhage, especially in the interhemispheric fissures. Right carotid angiography demonstrated bilateral distal anterior cerebral artery aneurysms and a right middle cerebral artery aneurysm. All three aneurysms were clipped in a one-stage procedure. The patient was discharged without any neurological deficits two weeks after the operation. Bilateral distal anterior cerebral artery aneurysms are extremely rare. This is the first report of such aneurysms and a right middle cerebral artery aneurysm in association with polycystic kidney and liver disease. The etiology of these aneurysms is discussed.
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PMID:[Bilateral distal anterior cerebral artery aneurysms associated with polycystic kidney and liver disease; a case report]. 150 18

A case of spontaneous middle cerebral artery occlusion with moyamoya-like vessels associated with contralateral middle cerebral artery aneurysm is reported. A 23-year-old male was admitted to our hospital with complaints of severe headache and vomiting. On admission CT scan demonstrated subarachnoid hemorrhage with high density in the left Sylvian fissure and suggested a ruptured left middle cerebral artery aneurysm. Carotid angiograms demonstrated a left middle cerebral artery aneurysm and an occlusion of the right middle cerebral artery at its origin with moyamoya-like vessels. There was no occlusion or stenosis in the bilateral intracranial internal carotid arteries. Furthermore, bilateral vertebral angiograms were also normal. The aneurysm was successfully clipped. The postoperative course was uneventful and the patient was discharged with no neurological deficit. So far as we could ascertain, there have been only 21 cases reported previously of spontaneous middle cerebral artery stenosis or occlusion with moyamoya-like vessels. According to angiographic studies and transcranial Doppler ultrasound findings, we are more inclined to believe that hemodynamic changes secondary to arterial occlusion lead to the formation and growth of aneurysms of the contralateral middle cerebral artery.
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PMID:[Spontaneous middle cerebral artery occlusion with moyamoya-like vessels associated with contralateral middle cerebral artery aneurysm; a case report]. 154 98

A 48-year-old female suffered from severe headache, vomiting, and disturbance of consciousness. On admission, she was somnolent with mild paresis of the left leg. Precontrast computed tomography (CT) scans showed a high-density area in the left sylvian fissure and the posterior horn of the left lateral ventricle. Angiographically, a right middle cerebral artery aneurysm and a basilar artery aneurysm were recognized. Furthermore, on the venous phase of bilateral carotid angiograms, superior sagittal sinus (SSS) thrombosis was recognized. Subarachnoid hemorrhage (SAH) was probably induced by rupture of a dilated vein associated with SSS thrombosis, because high-density area on CT scan and location of the aneurysms were different. The patient was initially treated conservatively. Two months later, craniotomy was performed which did not disclose any trace of hemorrhage around the aneurysms and aneurysms themselves. Postoperatively, acute brain swelling and generalized convulsion were induced. The patient became ambulatory 5 months after surgery. In SAH cases, the venous phase should be examined at least in one side of the carotid arteries. In such a SAH case induced by venous thrombosis complicated by aneurysms it is very difficult to decide the timing of surgery for aneurysms.
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PMID:[Superior sagittal sinus thrombosis complicated with multiple aneurysms presenting as subarachnoid hemorrhage. Case report]. 172 64

The authors present three cases of non-traumatic acute subdural hematoma showing interesting clinical features and operative findings. Case 1: A-50-year-old male was admitted because of sudden headache and epileptic seizure. Computed tomographic (CT) scan showed a right thin subdural hematoma, but cerebral angiography demonstrated no pathological findings, that might cause acute subdural hematoma on the follow-up CT scans. The hematoma changed to a chronic one within only 15 days, which was proved by the operation. Case 2: A 52-year-old male was hospitalized because of loss of consciousness. CT scan revealed a right subdural hematoma without subarachnoid hemorrhage and cerebral angiography demonstrated a right middle cerebral artery aneurysm. The hematoma was surgically proved to be due to rupture of the aneurysm. Case 3: A 52-year-old male was admitted because of headache, vomiting and left motor weakness. CT scan showed a thick right subdural hematoma and right carotid angiography revealed two internal carotid artery aneurysms. It was surgically certified that the subdural hematoma was caused by a tear in a cortical artery attached to the dura, not by the rupture of the aneurysms. Clinical cause and pathogenesis of so-called "non-traumatic" or "spontaneous" acute subdural hematomas were discussed, and the importance of emergency angiography for this condition is stressed.
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PMID:[Three cases of non-traumatic acute subdural hematoma]. 176 56

It is known well that acute subdural hematoma develops most frequently after head injury, and secondly from pathological lesions such as intracranial ruptured aneurysm or AVM. A case of ruptured middle cerebral artery aneurysm which was clipped nine years before resulting in acute subdural hematoma is reported. At 6 pm on July 21, 1988, a 53-year-old woman with severe headache starting at 4:20 pm was transferred to our hospital. She suffered from herniated signs; Conscious disturbance; anisocoria; positive OCR; decerebrate posture. An emergency CT showed right acute subdural hematoma with severe midline shift. Following a decompressing craniotomy at 9 pm, the subdural clot was evacuated. It measured 90g in volume and the underlying cortex was normal. There was no evidence of SAH. Right carotid angiography three weeks after the first operation showed a middle cerebral artery aneurysm at the site of a clip which had been applied nine years ago. A second operation was performed on August 30, 1988. Via the right pterional route, the middle cerebral artery aneurysm was clipped successfully with a Sugita's clip replacing the first clip. We concluded that the regrowth and rebleeding of the middle cerebral artery aneurysm which had been clipped nine years before was most probable. She was discharged with slightly decreased consciousness and right motor weakness, on November 13, 1988.
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PMID:[A case of ruptured middle cerebral artery aneurysm with acute subdural hematoma after clipping of the aneurysm nine years previously]. 269 86

We report the findings in a patient in whom torsade de pointes atypical ventricular tachycardia occurred as a complication of subarachnoid hemorrhage. The patient was a 54-year-old female and she was admitted to our hospital to treat gastric ulcer on October 8, 1985. The electrocardiogram on admission showed mild left ventricular hypertrophy. She complained of severe headache and nausea in hospital on November 10 and she was transferred to our department. Her consciousness was clear. Computed tomography revealed a subarachnoid hemorrhage and left carotid angiogram showed a left middle cerebral artery aneurysm. Laboratory findings of blood and a chest roentgenogram were normal, but the electrocardiogram revealed a prominent prolongation of the QT interval and generalized giant negative T waves. The aneurysm was clipped on November 11, but a torsade de pointes atypical ventricular tachycardia occurred after clipping of the aneurysm during the surgery. Several anti-arrhythmic agents were not effective but phenytoin suppressed the arrhythmia. Postoperative course was almost uneventful. Since she had mild right hemiparesis, she continued the rehabilitation in our department. Five months later her electrocardiographic findings became normal. Prolongation of the QT interval and the giant negative T wave are typical electrocardiographic abnormalities in patients of subarachnoid hemorrhage, causing a predisposition to torsade de pointes ventricular tachycardia. The arrhythmia should be kept in mind as a complication in a viewpoint of the management of subarachnoid hemorrhage in the acute stage.
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PMID:[An electrocardiographic abnormality called torsade de pointes in a patient of subarachnoid hemorrhage]. 339 96

A 53-year-old woman suffered from sudden onset of severe headache on February 28 in 1982. She was admitted to our hospital soon after onset. On admission, she had a severe headache and nausea, and her consciousness was drowsy. CT scan showed a marked subarachnoid hemorrhage with intracerebral and intraventricular hematoma, a separation of the lateral ventricles with enlargement of posterior horns, and deformity of anterior horn. By these findings, the patient was diagnosed as an agenesis of the corpus callosum with subarachnoid hemorrhage. Left carotid arteriogram revealed an azygos anterior cerebral artery and an aneurysm at the terminal portion of this artery. Surgery was performed on the 24 th day after subarachnoid hemorrhage. Operative finding revealed a little finger's head-sized tumor was situated over the right frontobasal artery. An azygos anterior cerebral artery aneurysm was clipped and tumor was removed. Pathological diagnosis of the tumor was a lipoma. Namely, she had an agenesis of the corpus callosum, an azygos anterior cerebral artery, an aneurysm and a lipoma. There are some reports in which an agenesis of the corpus callosum is accompanied with a lipoma and an azygos anterior cerebral artery is accompanied with an aneurysm. But a case of agenesis of the corpus callosum with an azygos anterior cerebral artery was rarely reported. So this rare case with these anomalies was reported and pathogenesis about the development of 4 anomalies was also discussed.
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PMID:[A case of agenesis of the corpus callosum accompanied by a ruptured azygos anterior cerebral artery aneurysm and lipoma--a case report]. 375 36

A 62-year-old man was admitted to our hospital, since chronic subdural hematoma was showed after he complained of mild headache and nausea. Two years ago he had head trauma at the left parietal region after drinking. On admission there was no paresis and mild choked disc is detected. Computed tomography with contrast enhancement showed abnormal enhancement and left chronic subdural hematoma. Cerebral angiography showed an aneurysm of the angular artery. Operation was done and the aneurysm was trapped. Aneurysmal wall was histologically a pseudoaneurysm. Post-operative result was good. We considered the relationship between the cortical pseudoaneurysm and chronic subdural hematoma. We reviewed the traumatic middle cerebral artery aneurysm in the literature, 56 cases.
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PMID:[Pseudoaneurysm of the cortical artery associated with chronic subdural hematoma--a consideration on traumatic middle cerebral artery aneurysm]. 382 71

A case of spontaneous thrombosis of azygos anterior cerebral artery aneurysm was reported. A 39-year-old man was admitted to our hospital on April 23, 1979, 5 days following an apparent attack of subarachnoid hemorrhage. On admission, he complained a headache and left hemiparesthesia. Neurologic examination revealed a very slight nuchal rigidity, left hemihypesthesia and hypalgesia. Routine laboratory studies were noncontributory. Left and right carotid angiograms showed an azygos anterior cerebral artery aneurysm. Twelve days after the attack, a left carotid angiogram demonstrated a segmental narrowing and widening of an azygos anterior cerebral artery, and then the aneurysm was filled incompletely. Nineteen days after the attack, the aneurysm was not visualized on right carotid angiogram. Neck clipping and resection of the aneurysm was performed on May 8, 1979. Cross section of the aneurysm exposed a thrombus. He showed postoperatively a slight hypesthesia in the left lower limb. Complete thrombosis of intracranial aneurysm occurring spontaneously is rare. We collected 42 such cases including the present case from the literature and discussed some factors facilitating intraluminal thrombosis. Although the shortest previous period of thrombosis is noted to be over a course of 5 days, the thrombosis in our case in 19 days after subarachnoid hemorrhage was certainly a relative rapid event.
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PMID:[Spontaneous thrombosis of an azygos anterior cerebral artery aneurysm--report of a case (author's transl)]. 707 95

A 50-year-old man was admitted to this hospital with an onset one day previously of headache and impaired consciousness. Cerebral angiography performed on the date of admission revealed a middle cerebral artery aneurysm, measuring approximately 7 X 8 X 9 mm. The patient was begun on t-AMCHA 6 g/day, hypotensive agents and anticonvulsants. On the second day after administration, the patient exhibited a temperature of 38 degree C which continued for 3 weeks and was of unknown ethiology. Repeat cerebral angiography was performed two weeks later, and examination of the right carotid artery revealed that the aneurysm had disappeared. Also noted was a slight vasospasm on the internal carotid artery and the peripheral middle cerebral artery from an aneurysm. One week later, another examination confirmed that the aneurysm had indeed disappeared and the vasospasm was decreased. The fourth cerebral angiography was done 32 days after admission and showed definite recurrence of the aneurysm. Surgery and clipping of the aneurysm were done the following day. The postoperative course was uneventful and the patient was discharged from the hospital without neurologic abnormalities. This is the third reported case of the recurrence of an aneurysm that had once disappeared from cerebral angiography. This case may represent an episode of "spontaneous thrombosis" or "spontaneous cure or healing."
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PMID:[A case presentation in which cerebral aneurysm disappeared then recurred documented by cerebral angiography (author's transl)]. 732 71


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