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Preoperative emobilisation of juvenile nasopharyngeal angiofibroma
Ravi Meher1, Sanjeev Kathuria2, Vikram Wadhwa3
1ENT, Maulana Azad Medical College, India.
Introduction:
Juvenile nasopharyngeal angiofibroma(JNA) are highly vascular benign tumours originating in the sphenopalatine fossa and may extend to the pterygopalatine fossa, paranasal sinuses, and nasal cavity. The management of JNA has evolved greatly with development of endoscopy. Treatment modality has changed from open approach to endoscopic approach due to various advantages offered by the endoscopic approach. Bleeding during the surgery can compromise the exposure and surgical excision of JNA endoscopically. There have been many techniques to decrease intraoperative bleeding including external carotid ligation, hypotensive anaesthesia and more recently embolization of the feeding vessels. Embolization of the tumour has made the endoscopic excision of JNA easier because of less bleeding. This study was taken to find out the outcomes of surgical excision of JNA after embolization.
Methodology:
We retrospectively reviewed 22 histopathological proven JNA cases that underwent preoperative embolization followed by resection during the period of June 2015 to December 2020 in our tertiary care hospital. From the records demographic, clinical, radiological imaging (CECT nose and PNS), angiographic, pre-operative embolization and operative details were evaluated.
Result:
In the present study a total of 22 cases of angiofibroma were taken up for surgical excision after embolization. A complete endonasal endoscopic resection could be done in 21/22 cases with average operative time of 141 minutes (80 minutes-190 minutes range). The mean blood loss during surgery was 1163 ml (Range 500 ml- 1900 ml). In 7/22 (31.81%) subjects required intraoperative blood transfusion. No perioperative surgical complications occurred.
Conclusion:
Endoscopic excision of JNA has now become the primary operative technique and pre operative embolization in such cases can reduce the intraoperative time, blood loss and tumour relapse rate. It is a relatively safe procedure in a hand of an expert and must be done where ever available.
