Multiple choice questions - medIND

INDIAN JOURNAL OF MEDICAL & PAEDIATRIC ONCOLOGY

Vol. 29 No 2, 2008

55

Multiple choice questions (1)

Common lymphomas in pediatric age group include all except

4. Breast (6)

1. Anaplastic large cell lymphoma 2. Burkitt’s lymphoma

4. Diffuse large B-cell lymphoma

2. Encapsulated with trabeculae of synovial cells with mitosis

Follicular lymphomas in childhood differ from adult-onset disease in all except:

3. Non-encapsulated with trabeculae of spindle-shaped cells with mitosis

1. Bcl-6 expression

4. Encapsulated with trabeculae of spindle-shaped cells with vascularisation

2. Prognosis 3. Treatment 4. Pathogenesis (3)

(4)

(7)

1. S-100, CD1a & p53

1. CD20

2. EMA, desmin & fibrin

2. Bcl-2

3. Cytokeratin, S-100 & calponin

3. Bcl-6

4. CD20, CD3 & vimentin (8)

Follicular lymphomas in children should be treated with

2. Surgical resection of disease

2. Low T1 but high T2 signal intensity with distinct margin on MRI scan

3. Surgical resection of disease and chemotherapy

3. Low T1 and low T2 signal intensity and distinct margin on MRI scan

4. Surgical resection of disease, chemotherapy and radiotherapy Most common site of myoepithelial carcinoma is1. Submandibular salivary gland 2. Parotid gland 3. Sartorius muscle

Which one of the following is the characteristic radiological feature of myoepithelial carcinoma1. Low T1 and low T2 signal intensity and indistinct margin on MRI scan

1. Chemotherapy

(5)

Myoepithelial carcinoma is immunoreactive for-

All are usually expressed in pediatric follicular lymphomas except:

4. CD10

of

1. Non-encapsulated with trabeculae of spindle-shaped cells without vascularisation

3. Follicular lymphoma

(2)

The characteristic pathology myoepithelial carcinoma is-

4. Low T1 but high T2 signal intensity with indistinct margin on MRI scan (9)

What is the most common primary malignant tumour of bone? 1. Ewing’s sarcoma 2. Osteosarcoma 3. Chondrosarcoma

INDIAN JOURNAL OF MEDICAL & PAEDIATRIC ONCOLOGY

4. Giant cell tumour (10) The peak incidence of Ewing’s sarcoma occurs during which decade?

Vol. 29 No 2, 2008

56

(13) What criterion is customarily used to define mediastinal lymph nodes visualized by computed tomography (CT) as being pathologic?

1. First

1. >1 cm on short axis

2. Second

2. >1 cm on long axis 3. 2.5 cm on short axis

3. Third

4. >2.5 cm on long axis

4. Sixth (11) During which decade is the peak incidence for osteosarcoma? 1. First

(14) In patients with NSCLC, what proportion of patients with enlarged nodes on CT have no evidence of neoplastic disease at surgical exploration of the mediastinum? 1. 5%

2. Second

2. 15%

3. Third

3. 30%

4. Sixth

4. 45%

(12) FDG-PET scanning appears to be of greatest value in evaluating patients with prostate cancer in assessing what situation? 1. Localized disease

(15) Which of the following most accurately characterizes the value of magnetic resonance imaging (MRI) in comparison with CT in evaluation of mediastinal lymph nodes? 1. More sensitive

2. Regional node metastases

2. More specific

3. Bone metastases

3. Less effective

4. Response to therapy

4. Similar outcomes

Answer Key:1. 3 2. 1 3. 2 4. 2 5. 2 6. 4 7.

3

8. 1 9. 1 10. 2 11. 3 12. 2 13. 1 14. 3 15. 4

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