Background: Choanal atresia (CA) is a widely recognized craniofacial disorder characterized by the obliteration of posterior nasal opening, due to imperforation oronasal membrane and overgrowth horizontal vertical process palatine bone during weeks 4-11 gestation process. Objective: To evaluate efficacy trans-nasal endoscopic cross-over flap technique in repair choanal with long-term follow-up. ...

We describe a method for leaving a catheter in the common bile duct for several days, even weeks, after endoscopic sphincterotomy. This provides reliable biliary drainage, and permits perfusion of the duct with simple fluids or solvents. It reduces the need for instrumental stone extraction and for repeated endoscopy and cholangiography to check whether stones have passed, since transnasal chol...

Choanal atresia is caused by failure of resorption of the bucco-pharyngeal membrane during embryonic development. The atresia can be membranous or bony in nature, but is usually mixed in most cases. When the atresia is bilateral, newborns can have severe airway distress and cyanosis is alleviated by crying. Bilateral choanal atresia is managed with an oropharyngeal airway. Flexible nasal endosc...

INTRODUCTION Deep neck infection is a life-threatening condition, and intravenous antibiotic therapy is preferable in the early stages of the disease. However, in the advanced stages, surgical drainage should be performed. Although several surgical treatment strategies are available, it is necessary to standardize treatment according to the patient's general condition and history. CASE PRESEN...