Gamma Knife Radiosurgery For Cavernous Hemangiomas Of Cavernous SinusKeywords: cavernous hemangioma, gamma knife, cavernous sinus, skull base, outcomeInteractive Manuscript
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What is the background behind your study?
Cavernous Hemangiomas of Cavernous Sinus (CHCS) are rare intracranial tumors. In the past, resection was the mainstay of their treatment. More recently, radiosurgery was begun to used in the treatment of CHCS because of its successful use.
What is the purpose of your study?
In this article the authors evaluate the radiological and clinical outcomes in a series of patients in whom Gamma Knife radiosurgery (GKRS) was used to treat CHCS.
Describe your patient group.
Fourteen patients with CHCS underwent GKRS between 1997 and 2009. Nine of these patients had craniotomy. Five patients were primarily treated with GKRS.
Describe what you did.
The median tumor volume was 7.7 cm3, and the mean follow-up period was 64 months. The median prescription radiation dose was 15 Gy, and the median prescription isodose configuration was 50%.
Describe your main findings.
There was clinical improvement in 10 patients (71%), a radiologically stable lesion in all patients. On imaging, the schwannomas shrank in 13 patients (92%), remained stable in 1 patient (8%). These results were comparable for primary and adjuvant GKSs.
Describe the main limitation of this study.
This is a retrospective study.
Describe your main conclusion.
Gamma Knife radiosurgery is highly effective for the treatment of CHCS.
Describe the importance of your findings and how they can be used by others.
It can be used primarily for small sized tumors and as an adjuvant for the tumors which have been subtotally removed.
Cavernous Hemangiomas of Cavernous Sinus (CHCS) are rare intracranial tumors. In the past, resection was the mainstay of their treatment. More recently, radiosurgery was begun to used in the treatment of CHCS because of its successful use.
In this article the authors evaluate the radiological and clinical outcomes in a series of patients in whom Gamma Knife radiosurgery (GKRS) was used to treat CHCS.
Fourteen patients with CHCS underwent GKRS between 1997 and 2009. Nine of these patients had craniotomy. Five patients were primarily treated with GKRS.
The median tumor volume was 7.7 cm3, and the mean follow-up period was 64 months. The median prescription radiation dose was 15 Gy, and the median prescription isodose configuration was 50%.
There was clinical improvement in 10 patients (71%), a radiologically stable lesion in all patients. On imaging, the schwannomas shrank in 13 patients (92%), remained stable in 1 patient (8%). These results were comparable for primary and adjuvant GKSs.
This is a retrospective study.
Gamma Knife radiosurgery is highly effective for the treatment of CHCS.
It can be used primarily for small sized tumors and as an adjuvant for the tumors which have been subtotally removed.
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