منابع مشابه
Tumour radiobiology beyond fractionation
Historically it has been shown repeatedly that single high doses of radiation do not allow a therapeutic differential between tumor and critical normal tissues but dose fractionation does. The purpose of conventional dose fractionation is to increase dose to the tumor while preserving normal tissue function. Tumors are generally irradiated with 2Gy dose per fraction delivered daily to a more or...
متن کاملRobotic endolaryngeal flexible (Robo-ELF) scope: a preclinical feasibility study.
OBJECTIVES/HYPOTHESIS This article presents a novel robotic endolaryngeal flexible (Robo-ELF) scope driver for minimally invasive laryngeal surgery. The Robo-ELF consists of a simple, robust robotic scope driver with three active and two passive degrees of freedom, allowing it to manipulate any standard flexible endoscope. The system is controlled by a joystick-like three dimensional mouse that...
متن کاملendolaryngeal neurofibroma
neurofibromatosis is a benign neurogenic tumor, originatig from schwann cells of the nerve sheath. this tumor forms a round, white mass on the course of the involved nerve. it occurs sporadically or in association with von recklinghausen's disease. laryngeal involvement is a rare occasion that affects women more than men (f/m ratio 3:2). the most common symptoms are hoarseness, dyspnea and dysp...
متن کاملCricoid malformation and endolaryngeal submucosal drilling – a possible technique
Cricoid malformations vary according to their severity and anatomic features. Some of them get a delayed diagnosis in spite of the complex medical care. Objective: To present a case with a laryngeal malformation and our surgery technique. Material, method: A case presentation of a cannulated child, who previously had a heart surgery, with difficult decannulation. RESULTS The patient was consi...
متن کاملUnusual endolaryngeal extension of a large thyroglossal duct cyst.
INTRODUCTION Thyroglossal duct cysts account for approximately 70% of congenital neck abnormalities. Hoarseness of voice and the extension of the cyst into the larynx are very uncommon. CLINICAL PICTURE We present a patient with a long history of a large thyroglossal cyst who developed progressive hoarseness of voice. The cyst had protruded into the larynx producing the appearance of a laryng...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Society of Medicine
سال: 1921
ISSN: 0035-9157
DOI: 10.1177/003591572101400771