Notching of the ribs

Notching of the ribs

Notching of the ribs (or rib notching) is a radiological finding where the surface of the rib is deformed. It can be characterized as unilateral or bilateral. It can also be characterized as affecting the upper or lower surface of the rib.It can be at the superior and inferior border of the ribs.

Inferior 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.[2] Some causes of superior rib notching are: poliomyelitis, osteogenesis imperfecta, neurofibromatosis, Marfan's syndrome, collagen vascular disease & hyperparathyroidism.

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