Rib notching is found in – a) Neurofibromatosisb) Lymphangiomyomatosisc) Aortic aneurysmd) Taussig-Bing operatione) Aortic obstruction: (A) acd, (B) ade, (C) abd, (D) ad
Answer is B. Neurofibromatosis and aortic obstruction (thrombosis) may cause rib notching.
Taussig - bing malformation, when associated with coarctation of aorta, can cause rib notching.