Cavernous Hemangioma of Cavernous Sinus: An Outcome Report of 45 Surgically Treated Patients.

ABSTRACT

OBJECTIVE: To report an outcome analysis following surgical treatment of 45 patients with cavernous hemangiomas involving cavernous sinus. METHODS: From 1992 to 2020, 45 cases of cavernous hemangiomas involving the cavernous sinus were surgically treated. These patients were retrospectively analyzed. RESULTS: Patients included 12 males and 33 females; the average age was 34 years (age range, 15-61 years). Two patients had only headache as presenting symptom, and 43 patients had headache and diplopia as presenting symptoms. Investigations showed characteristic radiological imaging and encasement of internal carotid artery (35 cases), extension toward the sella, and displacement of cranial nerves III-V. An entirely extradural surgical approach was adopted in 39 cases. Cranial nerves III-V had a discrete dural covering and were always displaced over the dome of the tumor. The sixth cranial nerve was displaced on the dome of the tumor adjacent to the floor of the cavernous sinus. Three patients died in the early postoperative period, all related to excessive bleeding. In 36 patients, ocular movement dysfunction did not recover or worsened. During an average follow-up period of 110 months (range, 6 months to 27 years), 3 patients had tumor recurrence after postoperative imaging had shown complete tumor resection. CONCLUSIONS: Surgery on cavernous hemangiomas of cavernous sinus can be a challenge owing to the vascular profile and complex anatomical location. An extradural approach provides satisfactory exposure for radical tumor resection.