SMJ CME Feb 2017 SET B

Code SMJ201702B

Clinics in diagnostic imaging (174)

  • Answers will be published online in the SMJ April 2017 issue.
  • The MCR numbers of successful candidates will be posted online at the SMJ website by 31 March 2017.
  • Passing mark is 60%. No mark will be deducted for incorrect answers.
  • The SMJ editorial office will submit the list of successful candidates to the Singapore Medical Council.
  • One CME point is awarded for successful candidates.
  • Deadline for submission: (February 2017 SMJ 3B CME programme): 12 noon, 24 March 2017.


  • Full Name


    Email Address


    MCR Number


    Question 1. Regarding osteoblastoma:
    (a) It is an osteoid-forming, benign primary neoplasm.

    True
    False

    (b) It accounts for approximately 5% of primary bone tumours.
    True
    False

    (c) Within the long bones, it commonly affects the metaphysis.
    True
    False

    (d) Posterior elements of the vertebral column are one of the common sites.
    True
    False



    Question 2. Regarding clinical presentations of osteoblastoma:
    (a) It causes persistent and dull-aching pain.

    True
    False

    (b) The pain is characteristically worse at night and relieved by salicylates.
    True
    False

    (c) Patients can present with neurological symptoms.
    True
    False

    (d) Patients can present with painful scoliosis.
    True
    False



    Question 3. Regarding imaging of osteoblastoma:
    (a) An osteolytic lesion with matrix mineralisation that is less than 1 cm is a characteristic feature.

    True
    False

    (b) Computed tomography is the imaging modality of choice.
    True
    False

    (c) Magnetic resonance imaging is particularly useful to define the involvement of soft tissue and neural elements.
    True
    False

    (d) Bone scintigraphy can help to detect osteoblastic activity.
    True
    False



    Question 4. Regarding diagnosis and differential diagnosis of osteoblastoma:
    (a) Osteoblastoma is relatively stable when compared to osteoid osteoma.

    True
    False

    (b) A tract leading away from the abscess cavity is helpful in differentiating a Brodie's abscess from an osteoblastoma.
    True
    False

    (c) There is more periosteal reaction in osteosarcomas as compared to aggressive osteoblastomas.
    True
    False

    (d) Epithelioid osteoblast is a characteristic histologic feature of aggressive osteoblastomas.
    True
    False



    Question 5. Regarding management of osteoblastoma:
    (a) Radiofrequency ablation (RFA) is preferred for small, uncomplicated osteoblastoma in long bones.

    True
    False

    (b) RFA is performed at 90°C for a maximum of two minutes.
    True
    False

    (c) Additional RFA needle placements may be needed in larger lesions.
    True
    False

    (d) Simple curettage alone has a high recurrence rate.
    True
    False

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