الفهرس 
Vascular anatomy of the nose
Descending Palatine Artery.Only 14 pages are availabe for public view
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Abstract
Posterior epistaxis can be treated by posterior nasal pack, balloon catheters, arterial ligation,cauterization or embolization.The sphenopalatine artery is the main blood supply to the posterior part of the nasal fossa .it is a terminal branch of the internal maxillary artery.Endoscopic ligation of the sphenopalatine artery is a safe, simple and effective procedure in the management of refractory posterior epistaxis. Moreover, in view of minimal morbidity of the procedure, our current
practice is to consider this treatment option early on in the management of
cases not responding to conventional nasal packing. One anatomical landmark to find the sphenopalatine artery is the lateral insertion of the middle turbinate in to the palatine known as the ethmoidal crest appearing in the lateral nasal wall, marking the anterior margin of the foramen.Sphenopalatine artery ligation can be done by either cauterization or
clipping or combination of both techniques.Forty patients were selected for this prospective study in the period
between October 2016 to April 2017 at otolaryngology department, Tanta university hospital complaining of recurrent epistaxis(26 males and 14 females).The patient ages ranges between 18-60 years. We selected patients who didn’t have history of sinonasal trauma,tumours or bleeding disorders.