MCQ Radiology Answer 16

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The correct Answer is B

Explanation:

Fibrous dysplasia is the most common benign rib tumour, followed by enchondroma and osteochondroma. FD usually occurs in the posterior or lateral ribs, where as EC and OC occur anteriorly at the costochondral junctions. Hyaline cartilage is not calcified and is best seen on T2WI as a bright signal. Cartilage cap of more than 2 cm in adult and 3 cm in children is highly suspicious for malignant transformation in OC. ABCs are usually seen in the posterolateral aspect of the ribs.

Reference:
  1. Hughes et al. Benign primary tumours of the ribs. Clin rad (2006): 61:314-322

Category: Radiology MCQs

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