| 词条 | Notching of the ribs |
| 释义 |
Notching of the ribs (or rib notching) is a radiologic sign where the surface of the rib is deformed. It can be characterized as unilateral or bilateral, and should be differentiated between affecting the upper (superior) or lower (inferior) surface of the rib. CausesInferior rib notching can be associated with aortic coarctation (as a result of dilatation of intercostal arteries[1]), superior vena caval obstruction, arteriovenous fistula, or following a Blalock Taussig shunt. Causes of inferior rib notching by etiology: Arterial: aortic coarctation, aortic thrombosis, pulmonary-oligemia/AV malformation, Blalock Taussig shunt, Tetralogy of fallot (TOF), absent pulmonary artery and pulmonary stenosis. Venous: AV malfomations of chest wall, superior vena cava or other central venous obstruction. Neurogenic: intercostal neuroma, Neurofibromatosis type 1, poliomyelitis. Osseous: hyperparathyroidism, thalassemia, Melnick–Needles syndrome.[2]Potential causes of superior rib notching include: poliomyelitis, osteogenesis imperfecta, neurofibromatosis, Marfan's syndrome, collagen vascular disease, and hyperparathyroidism. References1. ^LearningRadiology.com > Coarctation Of the Aorta Retrieved August 2010 {{med-sign-stub}}2. ^{{cite web|url=http://www.medcyclopaedia.com/library/topics/volume_vii/r/rib_notching.aspx |title=Medcyclopaedia - Rib notching |format= |website= |accessdate=2010-04-15}} 1 : Radiologic signs |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。