Waqas Mehdi, Azam Niaz, Muhammad Irfan, Shahzaib Tasdique, Samra Majeed.
Far Lateral Transcondylar Approach for Anterior Foramen Magnum Lesions.
Pak J Neuro Surg Jan ;24(2):149-55.

Objective: To study the efficacy and safety of far-lateral transcondylar approach for anterior foramen magnum lesions with early experience at our Institute. Material and Methods: We treated six patients, with lesion anterior to the foramen magnum and posterior to the brainstem and cervical cord in a period of 2 years, March 2017 to March 2018.Initial assessment was made by history and examination followed by CT scan and contrast MRI. All were treated using far-lateral transcondylar approach. Result: Among six patients, there were two were male and four were female. Three of these patients had a meningioma while two patients had neurofibromas and one clival chordoma. Total excision was achieved in five neoplastic cases, while subtotal excision was done in one case. There were no fresh postoperative deficits in any of the other patients. One patient had an unexplained sudden cardiorespiratory arrest 18h after the surgery and succumbed. One patient had cerebrospinal fluid (CSF) discharge from the wound, which was satisfactorily managed by lumber CSF drainage. Conclusion: This approach provides an excellent approach to lesions located anterior to foramen magnum posterior to the brainstem and upper cervical cord. Gross total excision of these benign and malignant lesions is safely possible through this approach.

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