Radiology Quiz:Bone Fractures and Injuries
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Questions and Answers

Which part of the scaphoid bone is more prone to avascular necrosis?

  • Waist portion
  • Proximal pole (correct)
  • Distal pole
  • Distal third portion
  • What is the term for a chronic ununited fracture of the scaphoid wrist with avascular necrosis of the proximal pole and dorsal tilt of the lunate bone?

  • Humpback deformity
  • SLAP
  • Bankart
  • SNAC (correct)
  • What is the term for the deformity resulting from a scaphoid fracture where the proximal fragment is tilted dorsally and the distal fragment is tilted volarly?

  • Humpback deformity (correct)
  • Scaphoid nonunion
  • Periostitis
  • SNAP
  • In which age group is the distal third portion of the scaphoid more prone to fracture?

    <p>Children (A)</p> Signup and view all the answers

    What is the term for the condition where the scaphoid bone fails to unite after a fracture?

    <p>Non-union (B)</p> Signup and view all the answers

    What is NOF, commonly found incidentally in pediatric radiographs?

    <p>Non-ossifying fibrous cortical dysplasia (C)</p> Signup and view all the answers

    What percentage of elbow fractures in children are Supracondylar fractures?

    <p>65% (D)</p> Signup and view all the answers

    What is the likely cause of Medial Epicondyler Avulsion fracture in children?

    <p>Fall on an outstretched hand with valgus stress (A)</p> Signup and view all the answers

    What is the significance of 'Fat pad sign' in elbow fractures in children?

    <p>It is usually present, but is less sensitive and specific for fracture than in adults (A)</p> Signup and view all the answers

    What is the relationship between time to diagnosis and testicular salvage rates in testicular torsion?

    <p>Salvage rates decrease with delayed diagnosis (C)</p> Signup and view all the answers

    What is the characteristic finding of testicular torsion on ultrasound?

    <p>Ipsilateral increased echogenicity with absence of intratesticular flow (C)</p> Signup and view all the answers

    What is the characteristic feature of adrenal adenoma on CT scan?

    <p>10 HU - lipid-rich adenoma (C)</p> Signup and view all the answers

    What is the most common natural evolution of a fibrous cortical defect?

    <p>It is replaced by bone over a few years (A)</p> Signup and view all the answers

    What is the typical mechanism of injury for a humeral supracondylar fracture?

    <p>Fall on an outstretched hand (D)</p> Signup and view all the answers

    What is the posterior fat pad sign indicative of?

    <p>A humeral supracondylar fracture (A)</p> Signup and view all the answers

    What is the characteristic of a complete lateral condyle fracture?

    <p>It involves the articular surface (A)</p> Signup and view all the answers

    What is the Salter-Harris classification used for?

    <p>Classifying physeal injuries (C)</p> Signup and view all the answers

    What is a potential complication of a humeral supracondylar fracture?

    <p>All of the above (D)</p> Signup and view all the answers

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