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NEET MDS Quiz - Practice Test

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Pathology - 3 Questions

1
Pathology
Commonest type of Basal cell carcinoma is -
1. Ulcerated
2. Cystic
3. Morphoeic
4. Pigmented

πŸ“ Explanation:

1. Noduloulcerative Basal Cell Carcinoma: This is the most common subtype of BCC, making up about 60-70% of all cases. It typically appears as a slowly growing, round to oval, pearly or translucent nodule with a central ulceration that may bleed or ooze. The borders of the lesion are often not well-defined and may have a rolled, pearly edge with telangiectasias (small, dilated blood vessels).

2. Cystic Basal Cell Carcinoma: This subtype presents as a round, dome-shaped lesion with a cystic or fluid-filled center. It is less common than the noduloulcerative type, and it may be mistaken for a benign cyst or epidermoid cyst.

3. Morphoeic Basal Cell Carcinoma: Also known as sclerosing or morpheaform BCC, this type is characterized by a slowly growing, ill-defined, firm, plaque-like lesion that can infiltrate deeply into the skin. It may have a whitish, waxy appearance with a scar-like texture. Morphoeic BCC tends to be more aggressive and can be challenging to diagnose due to its subtlety.

4. Pigmented Basal Cell Carcinoma: This is a less common variant of BCC, accounting for approximately 6-15% of cases. It presents with pigmentation in the lesion, which can be brown, blue, or black. The presence of pigment can make it look similar to melanoma, another type of skin cancer, so a biopsy is often necessary to confirm the diagnosis.

2
Pathology

Slightly raised vesicles rupturing to form ulcers are a feature of
    1)     Rubeola
    2)     Rubella
    3)     Condyloma acuminatum
    4)     Chicken pox

πŸ“ Explanation:

Chicken pox presents with multiple dermal lesions characteristically with vesicles, pustules which may secondarily ulcerate

3
Pathology
The antecedents of Sq. cell carcinoma is/are:
1. Leukoplakia
2. Solar keratosis
3. Margins of long standing draining sinuses
4. All of the above

πŸ“ Explanation:

All of the listed conditions (leukoplakia, solar keratosis, and margins of long-standing draining sinuses) are known precursors to squamous cell carcinoma.

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