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CPD questionnaire.

Give ONE correct answer for each question

1. Regarding PACS, choose one false answer:

A. Hard copies have the disadvantage of being in only one place at one time.

B. Film prices are expected to decrease as technology advances.

C. Data generated per imaging examination is expected to increase; currently this is being experienced with multidetector CT and thin-slice MRI.

D. PACS has advantages in superior patient care by decreasing unnecessary radiation exposure, improved investigation comparison and decreased waiting times.

2. Regarding HIV, choose one true answer:

A. There are multiple reports of basal ganglion calcification in adults with HIV.

B. Calcification is the only reported CT feature involving the basal ganglia in adults with HIV.

C. In children with HIV, BG calcification is progressive and correlates with progressive dementia.

D. BG calcification in HIV usually involves the thalamus.

3. Regarding the vertebral column, choose one false answer:

A. Malignancies resulting in vertebral destruction in children include mainly neuroblastoma metastases, lymphoma and Ewing sarcoma.

B. Benign neoplasms affecting the vertebral bodies in children include aneurysm of bone cysts and haemangiomas.

C. Infections causing destruction of the vertebral bodies in children include TB, pyogenic organisms, hydrated and fungi.

D. Neuroblastoma and Ewing sarcoma can be distinguished from each other as neuroblastoma extends through the neural foramina as a dumbbell tumour while Ewing's does not.

4. Regarding superficial siderosis, choose one false answer:

A. There are irreversible neurotoxic effects of chronic haemorrhage on the brain.

B. Superficial siderosis involves hemosiderin deposition on the surface of the brain, cord and cranial nerves.

C. FLAIR imaging is suggestive of the diagnosis as dark signal is seen on the surface of the brain and cord.

D. T1 best demonstrates hemosiderin deposition in the brain.

5. Regarding lipofibromatosis, choose one false answer:

A. It is a slow growing mass.

B. It is a childhood tumour.

C. Proteus syndrome is in the differential diagnosis.

D. Macrodystrophia lipomatosa is a form of lipofibromatosis without bony overgrowth.

6. Regarding William's syndrome, choose one false answer:

A. This disorder involves a combination of cardiac disease, hypercalcaemia but normal intelligence.

B. Cardiovascular disease occurs in [+ or -] 80% of affected children.

C. The most common cardiac anomaly is supravalvular aortic stenosis.

D. Coarctation of the aorta may be demonstrated on CT.

7. Regarding choledochal cysts, choose one false answer:

A. Usually present in childhood, but almost never in adults.

B. Type V choledochal cyst according to the Todani classificiation refers to Caroli's disease.

C. MRCP has been shown to be as accurate as contrast cholangiography in confirming the diagnosis.

D. Type I cysts have the highest pre-dominance

8. Regarding gastric volvulus, choose one false answer:

A. Complete volvulus involves 180[degree] of torsion, while that less than 180[degree] without obstruction is termed incomplete.

B. Chronic volvulus has far more severe symptoms than acute volvulus.

C. The commonest form is organoaxial volvulus.

D. Mesentero-axial volvulus is rotation of the stomach around an imaginary line from the greater to lesser curvature.

9. Regarding Terry Thomas sign and small bowel faeces sign, choose one false answer:

A. The Terry Thomas sign refers to separation of the scaphoid and lunate.

B. The Terry Thomas sign is demonstrated in the clenched-hand position.

C. The 'ring sign' in scapholunate instability refers to the position of the displaced lunate.

D. Faeculent-like material in the small bowel resembling stool is a highly specific sign of small bowel obstruction.

10. Choose one statement below that is false:

A. The term diffusion blackout refers to hypointensity on T2, DWI and ADC map.

B. Blood products in the brain that show high signal on T1 show reversal of the high signal on ADC map, but not on DWI.

C. Brown tumours show a high accumulation of FDG, probably as a result of the presence of giant cells.

D. Brown tumours represent a reparative cellular process rather than a neoplastic process that shows lytic lesions.

Instructions:

1. Read the articles in the journal to find the answers to the questions.

2. Place your answers on the CPD answer form which is on the back of the address sheet mailed with this journal.

3. Answer questions by marking correct answers with an 'X' in the appropriate box. Use a black pen. See instruction above each question.

4. Keep a copy for your records.

5. Post the completed form to CPD Points, SAJR, Private Bag X1, Pinelands, 7430.

6. All completed forms must be posted--not faxed.

7. Answers are recorded by the RSSA and are submitted directly to the HPCSA.
COPYRIGHT 2007 South African Medical Association
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2007 Gale, Cengage Learning. All rights reserved.

Article Details
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Publication:South African Journal of Radiology
Date:Dec 1, 2007
Words:755
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