PURPOSE Endoscopic examinations are frequently-used procedures for patients with head and neck cancer undergoing radiotherapy, but radiation treatment plans are created on computed tomography (CT) scans. Image registration between endoscopic video and CT could be used to improve treatment planning and analysis of radiation-related normal tissue toxicity. The purpose of this study was to explore...

gastrointestinal endoscopy are perfora− tion and hemorrhage. Our case report de− scribes a rare complication that occurred during diagnostic endoscopy. A 53−year−old man with diabetes was ad− mitted to our department because of dis− turbed carbohydrate balance. Because he was suffering from epigastric pain and re− current coffee−ground vomiting (he was on continuous antiplatelet agent ther− apy...

Medical endoscopes are equipped with wide-angle lenses to provide a wide field of view operating doctors. However, it has been pointed out that there is a backward looking blind area for endoscopes such that an affected area could be overlooked since the gastrointestinal system is intricate and the inside shaped by plicae. In this paper, we propose an omnidirectional vision attachment that has ...

Rigid endoscopes degrade during clinical use due to sterilization, ionizing radiation and mechanical forces. Despite visual checks on functionality at the department of sterilization, surgeons are still confronted with suboptimal instruments as it is difficult to assess this degradation in an objective manner. To guarantee that endoscopes have sufficient optical quality for minimal invasive sur...

Overview: This paper presents the work of a group from the University of Strasbourg, developing a robotically assisted flexible endoscope for minimally invasive surgery. They develop methods to automatically compensate for patient breathing motion and for motor backlash. They present an in-lab experiment using an artificial phantom and an in vivo experiment with an anesthetized pig. In the pape...

AIM The aim of the present study is to evaluate the feasibility of endoscopy-assisted phacoemulsification, intraocular lens (IOL) implantation and anterior segment manoeuvres like synechiotomy where conventional surgery through a microscope view was not possible due to corneal opacification. METHODS This is a prospective, non-comparative, case report series of nine consecutive patients who un...

OBJECTIVE To evaluate the effects of hydromorphone, hydromorphone and glycopyrrolate, medetomidine, and butorphanol premedication on the difficulty and time required to pass an endoscope into the stomach and duodenum of cats anesthetized with ketamine and isoflurane. DESIGN Randomized complete block crossover study. ANIMALS 8 purpose-bred adult female cats. PROCEDURES Each cat was premedi...

BACKGROUND Since the advent of laparoscopic inguinal hernia repair, the procedure has invited numerous controversies, and although the procedure has some definitive advantages, no definitive indications for its use have been formulated. The objective of this study was to investigate a novel method for inguinal hernia repair (through a small 2 cm to 2.5 cm) single skin incision that combines the...

The use of a short double-balloon endoscope facilitates the endoscopic removal of bile duct stones in patients with surgically altered anatomy [1,2]. However, the narrow and long working channel of the double-balloon endoscope occasionally makes the procedure difficult and timeconsuming. Herein, we present the case of a patient with a history of hepaticojejunostomy in whom large bile duct stone...

Achalasia, a benign motility disorder of the esophagus, results in incomplete relaxation lower esophageal sphincter (LES) and absent peristalsis. Patients experience dysphagia, regurgitation, chest pain, weight loss, heartburn. Pharmacological therapy has been unsatisfactory definitive treatment focused on mechanical disruption tight LES. Peroral endoscopic myotomy (POEM) is safe minimally inva...