• Mohan Karki and Yam Bahadur Roka.
• Department of Neurosurgery, Neurovascular and Skull Base Tumor Research Center, Neuro-Cardio and Multispeciality Hospital, Biratnagar, Morang, Nepal. Electronic address: jigyasu86@gmail.com.
• World Neurosurg. 2021 Nov 1; 155: e600-e604.

BackgroundCirsoid aneurysms, also known as arteriovenous malformations (AVMs), of the scalp are relatively rare lesions. They may be found incidentally or with symptoms such as an enlarging pulsatile mass, headache, or bleeding.MethodsThis retrospective case series comprised 10 cases of scalp AVMs that were treated with surgical excision from January 2010 to January 2020. Diagnosis was made with simple palpation and computed tomography angiography. Scalp AVMs were categorized according to the Schobinger classification.ResultsThere were 10 patients, 8 males and 2 females, with a mean age of 22.6 years (range, 10-40 years). All patients underwent ligation of the feeding artery with total excision of the AVM. There were no postoperative complications or recurrences during a mean follow-up of 21.6 months.ConclusionsPreoperative embolization reduces vascularity and helps in easy identification as well as complete excision of cirsoid aneurysms during surgery. However, surgical excision alone of cirsoid aneurysms also results in excellent outcomes.Copyright © 2021 Elsevier Inc. All rights reserved.

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