the aim of the current study was to determine the pattern, presentation and management of foreign body aspiration in our  population.  this prospective study comprised 55 patients with foreign body aspiration admitted to our department from january 2009 to december 2011. all patients underwent rigid bronchoscopy under local or general anesthesia. the patients’ demographic information along with...

foreign body ingestion and aspiration is among the most common causes of emergency department visit associated with high morbidity and mortality. ingested and aspirated denture is rare conditions being scarcely reported in the literature. we herein report a 57-year-old man who presented with 2-day history of liquid and solid dysphagia who was diagnosed to have impacted denture in esophagus sinc...

introduction: foreign-body aspiration is still considered one of the most important diagnostic and therapeutic issues for physicians. mortality rates and the prevalence of diseases caused by foreign bodies in the airway are higher in children because of the relatively narrow airway and immature protective mechanisms. the aim of this study was to study the pattern of foreign-body aspiration in t...

A 42-year-old woman was admitted to the hospital because of odynophagia and neck pain after swallowing a piece of bone. Anteroposterior (AP) and lateral neck X-ray showed the foreign body. Rigid esophagoscopy under general anesthesia was performed and foreign body extracted by rigid bronchoscopy.

a 42-year-old woman was admitted to the hospital because of odynophagia and neck pain after swallowing a piece of bone. anteroposterior (ap) and lateral neck x-ray showed the foreign body. rigid esophagoscopy under general anesthesia was performed and foreign body extracted by rigid bronchoscopy.

Gregory S. Chirikjian Johns Hopkins University 2.1 Rotations in Three Dimensions Rules for Composing Rotations • Euler Angles • The Matrix Exponential 2.2 Full Rigid-Body Motion Composition of Motions • Screw Motions 2.3 Homogeneous Transforms and the Denavit-Hartenberg Parameters Homogeneous Transformation Matrices • The Denavit-Hartenberg Parameters in Robotics 2.4 Infinitesimal Motions and A...