The sign marked by the arrows pointing to the ribs, in the below chest X-ray, is diagnostic of which of the following conditions?
Correct Answer: Coarctation of aorta
Description: Ans. C. Coarctation of aortaThe above chest X-ray shows, inferior rib notching (Roesler sign), which is characteristically seen in patients with coarctation of aorta.Aortic coarctation, or Coarctation of aorta is a congenital condition whereby the aorta is narrow, usually in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts. Three important findings are:* Inferior rib notching* Figure 3 sign of the aorta* Prominence of the ascending aortaInferior rib notching (Roesler sign): The most common cause is coarctation of aorta, however certain other conditions as follows may cause inferior rib notching:* Takayasu disease* Blalock-taussig shunt* Arteriovenous malformation* SVC obstruction* Certain neurogenic tumors like schwannomaBoth superior and inferior rib notching may be seen in:* Hyperparathyroidism* Neurofibromatosis type 1
Category:
Radiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now