Basal Cell Carcinoma Multiple Choice Questions And Answers

Basal Cell Carcinoma Multiple Choice Questions And Answers

Question 1. Which of the following statements about basal cell carcinoma is false?

1. It starts as a nonhealing ulcer of many months’ duration
2. The outer canthus of the eye is a common site
3. It may spread by lymphatics
4. Haematogenous spread is almost unknown

Answer: 3. It may spread by lymphaticsQuestion

Question 2. The following is true for basal cell carcinoma except:

1. It is the most common malignant tumour
2. It cannot occur on the lips
3. Arsenic used in skin ointments may increase the risk
4. Morpheaform variety grows very slowly

Answer: 4. Morpheaform variety grows very slowly

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Question 3. The characteristic feature of basal cell carcinoma is:

1. Epithelial pearls
2. Mitotic figures
3. Orphan Annie nuclei
4. Palisading islands

Answer: 4. Palisading islands

Question 4. The following is used to treat basal cell carcinoma:

1. Wide excision
2. Mohs’ micrographic surgery
3. Radiation
4. Radiofrequency ablation

Answer: 4. Radiofrequency ablation

Question 5. The following is true for basal cell carcinoma except:

1. Ultraviolet rays may predispose to this condition
2. Mohs’ micrographic surgery can minimise the recurrence
3. The CO₂ laser may be used to treat deep lesions
4. Gorlin’s syndrome is associated with multiple basal cell carcinoma

Answer: 3. The CO₂ laser may be used to treat deep lesions

Question 6. The following skin malignancies may spread by lymphatics:

1. Epithelioma
2. Malignant melanoma
3. Sebaceous carcinoma
4. Basal cell carcinoma

Answer: 4. Basal cell carcinoma

Question 7. The characteristic feature of epithelioma is:

1. Penetrating lesion
2. Elevated, beaded edge
3. Proliferative growth with everted edges
4. Nodular lesion

Answer: 3. Proliferative growth with everted edges

Question 8. The following is true for epithelioma except:

1. The majority are well-differentiated
2. Cell nest is characteristic
3. Broder’s classification is used
4. Polyhedral cells

Answer: 4. Polyhedral cells

Question 9. The following is true for Marjolin’s ulcer:

1. It arises from scar tissues
2. It does not spread by lymphatics
3. It is rapidly growing
4. It is painless

Answer: 3. It is rapidly growing

Question 10. The following are true about prognostic factors for epithelioma:

1. Metastasis is unlikely if the lesion is >10 mm
2. Broder’s high grade means a poor prognosis
3. Recurrence is more in the lip
4. Perineural involvement carries a poor prognosis

Answer: 1. Metastasis is unlikely if the lesion is >10 mm

Question 11. Which of the following statements about melanocytes is false?

1. They are derived from the neural crest
2. They convert DOPA into melanin
3. Melanocyte-stimulating hormone is released from the intermediate lobe of the pituitary gland
4. Present in the stratum basale layer of the epidermis

Answer: 3. Melanocyte-stimulating hormone is released from the intermediate lobe of the pituitary gland

Question 12. The following is true for malignant melanoma:

1. Spindle cell naevus has high malignant potential
2. Junctional naevus has a very high malignant potential
3. The superficial spreading variety is the most common form
4. Tyrosinase is absent in albinos

Answer: 2. Junctional naevus has very high malignant potential

Question 13. The following is true for thin melanomas:

1. <1 mm thickness
2. Metastasis in about 10–15 %
3. 20 years of survival is almost 95%
4. Local wide excision of 2 cm margin is recommended

Answer: 4. Local wide excision of 2 cm margin is recommended

Question 14. The following is true for the acral lentiginous variety of melanoma:

1. Least common subtype
2. Occurs in the palms and soles
3. Hutchinson’s sign may be found
4. Rarely found in Blacks

Answer: 4. Rarely found in Blacks

Question 15. The following is true for superficial spreading malignant melanoma:

1. Most common subtype
2. Trunk is the common site
3. The average age of presentation is the 5th decade
4. It has a long, vertical growth

Answer: 4. It has a long, vertical growth

Question 16. Which of the following treatments is recommended in a 2 cm melanoma leg with inguinal nodes?

1. Wide excision with inguinal block dissection
2. Wide excision with ilioinguinal block dissection
3. Wide excision with ilioinguinal obturator dissection
4. Amputation with inguinal block dissection

Answer: 2. Wide excision with ilioinguinal block dissection

Question 17. Which of the following drugs is used to decrease cerebral metastasis in malignant melanoma?

1. Adriamycin
2. Cisplatin
3. Temozolomide
4. IFN-α

Answer: 3. Temozolomide

Question 18. IFN-α has the following actions:

1. The stimulatory effect on natural killer cells
2. Anti-angiogenic activity
3. Does not cause myelosuppression
4. May cause capillary leak syndrome

Answer: 3. Does not cause myelosuppression

Question 19. The following is true for Merkel cell tumour except:

1. It is a highly malignant tumour
2. It is derived from neuroendocrine tumours
3. Fingers and digits are the common sites
4. The head and neck are commonly involved

Answer: 3. Fingers and digits are the common sites

Question 20. The following is true for Kaposi’s angiosarcoma:

1. Common in the Black population
2. Paclitaxel is the drug of choice with 75% effectiveness
3. Homosexuals are affected more as a result of AIDS
4. The classic form affects the head and neck more than the legs

Answer: 4. The classic form affects the head and neck more than the legs

Question 21. The following are features of the lymph node of Cloquet:

1. It is the transitional node between the inguinal region and the iliac region
2. A superficial groin dissection should include the removal of that node
3. If those nodes contain metastatic melanoma, an iliac and obturator dissection is usually indicated.
4. It is an inferior member of the lymph node medial to the femoral vein.

Answer: 4. It is an inferior member of the lymph node medial to the femoral vein.