Musculoskeletal Radiology — Flashcards

Flashcard 51: Radiological features of scurvy: _____: Metaphyseal spurs which result in cupping of the metaphysis

Answer: Pelken spur

Flashcard 52: Radiological features of scurvy: Cortical thinning: "_____ cortex"

Answer: pencil-thin

Flashcard 53: In a Monteggia fracture of the elbow, which radiological line is disturbed?

Answer: Radiocapitellar line

Extra: A Monteggia fracture-dislocation consists of a fracture of the proximal shaft of the ulna with an associated dislocation of the radial head. Normally, the **radiocapitellar line** (drawn through the center of the radial shaft) should pass through the center of the capitellum on all radiographic views. Disruption of this line indicates radial head dislocation.

Flashcard 54: Rugger jersey appearance is seen due to _____ of the superior and inferior vertebral endplates.

Answer: osteosclerosis

Flashcard 55: Radiograph shows increased medial joint space on mortise view indicates injury to the _____ ligament

Answer: deltoid

Flashcard 56: Blowout fracture results in herniation of orbital contents into maxillary antrum, which is seen in X-Ray as _____ sign.

Answer: teardrop

Flashcard 57: Pelvic calcifications with haziness in the background is seen in which bone tumor?_____

Answer: Chondrosarcoma

Flashcard 58: In anterior hip dislocation, the femoral head appears _____ than the unaffected contralateral side on the radiograph

Answer: larger

Flashcard 59: Which X-ray spine view is used to visualise the atlantoaxial instability (excessive movement between C1 and C2)?_____

Answer: Lateral flexion and extension view

Flashcard 60: Detailed evaluation of complex ankle fractures (e.g., assessing intra-articular extension and pre-operative planning) is best performed using _____

Answer: CT scan