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Journal of Korean Neurosurgical Society > Volume 30(7); 2001 > Article
Journal of Korean Neurosurgical Society 2001;30(7): 849-854.
Delayed Cerebral Infarction after Resection of Craniopharyngioma.
Geun Chul Park, Jin Myung Jung, Joon Soo Kim, Jae Hyung Kim, Hyun Seok Lee, Soo Hyun Hwang, In Sung Park, Eun Sang Kim, Jong Woo Han
1Department of Neurosurgery, Gyeongsang National University College of Medicine and Gyeongsang Institute for Neuroscience, Chinju, Korea.
2Department of Radiology, Gyeongsang National University College of Medicine and Gyeongsang Institute for Neuroscience, Chinju, Korea.
Delayed cerebral infarction after resection of craniopharyngioma is a uncommon entity, but leads to high morbidity and mortality. We present 3 such cases and discuss the etiology and pathogenesis with review of pertinent literatures. In our cases, delayed deterioration of consciousness was observed in all cases. All of them expired. The cause may be multifactorial and the surgical approach may contribute to the pathogenesis of delayed cerebral infarction. We suspect vasospasm might be the major mechanism of pathogenesis. Vessels were primed to spasm during operation due to blood in the cistern or mechanical injury. Vasoactive materials may have been liberated from the pituitary stalk or injured hypothalamus, either at the time of surgery, or later, after portions of tumor have undergone necrosis. The high degree of suspicion to detect vasospasm should be done in the case of the delayed deterioration of mental status at an early stage of craniopharyngioma surgery. Possible mechanism underlying this delayed cerebral infarction are discussed.
Key Words: Delayed cerebral infarction; Craniopharyngioma; Vasospasm
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