Dermatolgy - Aiims Past Questions

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| By Kar

Kar, Assistant Professor (Biochemistry)

Karthikeyan Pethusamy is an assistant professor in the Department of Biochemistry at the All India Institute of Medical Sciences in New Delhi

Quizzes Created: 33 | Total Attempts: 47,489

Questions: 11 | Attempts: 1,048 | Updated: Mar 22, 2023

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Questions and Answers

1.

A Farmer comes to the skin OPD with single warty lesion on his leg. Probable diagnosis is
- A.
  
  Tuberculosis verrucosa cutis
- B.
  
  Verruca vulgaris
- C.
  
  Mycetoma
- D.
  
  Lichen planus hypertrophicus
Correct Answer
A. Tuberculosis verrucosa cutis

Explanation
The probable diagnosis for the Farmer's single warty lesion on his leg is Tuberculosis verrucosa cutis.

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2.

Chemical peeling is done by all EXCEPT
- A.
  
  Trichloroacetic acid
- B.
  
  Phosphoric acid
- C.
  
  Carbolic acid
Correct Answer
B. pHospHoric acid

Explanation
Chemical peeling is a cosmetic procedure used to improve the appearance of the skin. It involves applying a chemical solution to the skin, which causes the outer layer to peel off, revealing smoother and younger-looking skin underneath. Trichloroacetic acid, carbolic acid (also known as phenol), and various other acids are commonly used for chemical peeling. However, phosphoric acid is not typically used for this purpose. It is more commonly used in industries such as food and beverage production, as a flavor enhancer or acidulant. Therefore, phosphoric acid is the correct answer as it is not used for chemical peeling.

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3.

An adolescent girl with moderate acne is also complaining of irregular menses. She will be benefited by
- A.
  
  Oral isotretinoin
- B.
  
  Oral minocycline
- C.
  
  Oral acitretin
- D.
  
  Cyproterone acetate
Correct Answer
D. Cyproterone acetate

Explanation
Cyproterone acetate is the correct answer because it is a medication that can help regulate menstrual cycles in women with irregular menses. It is commonly used in the treatment of hormonal conditions such as polycystic ovary syndrome (PCOS), which can cause both acne and irregular periods. By addressing the underlying hormonal imbalance, cyproterone acetate can help improve both the acne and menstrual irregularities in this adolescent girl. Oral isotretinoin and oral minocycline are both medications commonly used to treat acne, but they would not directly address the issue of irregular menses. Oral acitretin is a medication used to treat severe psoriasis and would not be appropriate in this case.

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4.

A 7 year old boy with boggy swelling of the scalp with multiple discharging sinuses with cervical lymphadenopathy with easily pluckable hair. What would be done for diagnosis
- A.
  
  Pus for culture
- B.
  
  KOH mount
- C.
  
  Biopsy
- D.
  
  None of the above
Correct Answer
B. KOH mount

Explanation
A KOH mount would be done for diagnosis in this case. A KOH mount is a microscopic examination of a sample using potassium hydroxide. It is commonly used to diagnose fungal infections, which can cause symptoms such as boggy swelling, discharging sinuses, and lymphadenopathy. By examining the sample under a microscope, the presence of fungal elements can be detected, confirming the diagnosis. Pus culture and biopsy may also be done for further evaluation, but the initial step would be a KOH mount to assess for fungal infection.

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5.

A sexually active male comes with c/o recurrent ulcers over the glans penis that heals with hyperpigmentation. Most probable diagnosis is
- A.
  
  Fixed drug eruptions
- B.
  
  Herpes-genitalis
- C.
  
  Chlamydial infection
- D.
  
  Aphthous ulcer
Correct Answer
A. Fixed drug eruptions

Explanation
The most probable diagnosis for a sexually active male with recurrent ulcers over the glans penis that heal with hyperpigmentation is fixed drug eruptions. Fixed drug eruptions are a type of allergic reaction to medication that cause recurring skin lesions. These eruptions typically occur in the same location each time and leave behind hyperpigmentation after healing. Herpes genitalis is a viral infection that causes painful blisters, Chlamydial infection is a sexually transmitted infection that can cause urethritis or cervicitis, and aphthous ulcers are painful mouth sores. However, none of these options fit the given clinical presentation.

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6.

Which is NOT a dermatological manifestation of dermatomyositis
- A.
  
  Gottron's patches
- B.
  
  Mechanic's hands
- C.
  
  Periungual telangiectasia
- D.
  
  Salmon Rash
Correct Answer
D. Salmon Rash

Explanation
Salmon rash is not a dermatological manifestation of dermatomyositis. Dermatomyositis is an autoimmune disease that affects the skin and muscles. Gottron's patches, mechanic's hands, and periungual telangiectasia are all dermatological manifestations commonly seen in dermatomyositis. Salmon rash, on the other hand, is not associated with this condition.

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7.

Flaccid bullae in the oral mucosa may show the following in immunofluoscence
- A.
  
  Fish net IgG in epidermis
- B.
  
  Linear IgG in dermo epidermal junction
- C.
  
  Herpes-genitalis
- D.
  
  Linear IgA in reticular dermis
Correct Answer
A. Fish net IgG in epidermis
8.

3 year old child is brought with dermatitis on extensor surfaces. On probing his mother reveals history of bronchial asthma. Probable diagnosis is
- A.
  
  Contact dermatitis
- B.
  
  Atopic dermatitis
- C.
  
  Seborrhic dermatitis
- D.
  
  Infantile eczema
Correct Answer
B. Atopic dermatitis

Explanation
Given the history of bronchial asthma in the child's mother, the most likely diagnosis for the child's dermatitis on extensor surfaces is atopic dermatitis. Atopic dermatitis is a chronic inflammatory skin condition that is commonly associated with other allergic conditions such as asthma and hay fever. It typically presents with itchy, red, and dry skin patches, often on the flexor surfaces of the body in infants and young children. The extensor surfaces being affected in this case may be due to scratching and rubbing of the affected areas. Therefore, atopic dermatitis is the probable diagnosis in this scenario.

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9.

True statement on Pityriasis rosea is
- A.
  
  Chronic relapsing
- B.
  
  Life threatening infection
- C.
  
  Caused by dermatophytes
- D.
  
  Self limiting
Correct Answer
D. Self limiting

Explanation
Pityriasis rosea is a skin condition that is self-limiting, meaning it resolves on its own without treatment. It is not a chronic relapsing condition or a life-threatening infection. Pityriasis rosea is not caused by dermatophytes, which are a type of fungi that cause fungal infections of the skin, hair, and nails. Therefore, the correct statement about pityriasis rosea is that it is self-limiting.

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10.

Pautrier's microabscess is seen in
- A.
  
  Sarcoidosis
- B.
  
  Pityriasis Lichenoides Chronica
- C.
  
  Tuberculosis
- D.
  
  Mycosis fungoides
Correct Answer
D. Mycosis fungoides

Explanation
Pautrier's microabscess is a histopathological finding characterized by the presence of atypical lymphocytes within the epidermis. It is most commonly associated with Mycosis fungoides, a type of cutaneous T-cell lymphoma. Mycosis fungoides typically presents with skin lesions that may resemble eczema or psoriasis, and Pautrier's microabscesses can be seen on skin biopsy. Sarcoidosis, Pityriasis Lichenoides Chronica, and Tuberculosis are not typically associated with Pautrier's microabscess.

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1
0
11.

Exclamation mark like hairs are seen in
- A.
  
  Telogen effluvium
- B.
  
  Alopecia areata
- C.
  
  Androgenetic alopecia
- D.
  
  Anagen effluvium
Correct Answer
B. Alopecia areata

Explanation
Exclamation mark-like hairs are a characteristic feature of alopecia areata. Alopecia areata is an autoimmune condition where the immune system mistakenly attacks the hair follicles, leading to hair loss. The exclamation mark-like hairs are short, broken hairs that are wider at the base and taper towards the top, resembling an exclamation mark. This pattern of hair loss is specific to alopecia areata and is not seen in other conditions such as telogen effluvium, androgenetic alopecia, or anagen effluvium.

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Current Version
Mar 22, 2023

Quiz Edited by
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Sep 11, 2012

Quiz Created by
Kar

Dermatolgy - Aiims Past Questions

A Farmer comes to the skin OPD with single warty lesion on his leg. Probable diagnosis is

Chemical peeling is done by all EXCEPT

An adolescent girl with moderate acne is also complaining of irregular menses. She will be benefited by

A 7 year old boy with boggy swelling of the scalp with multiple discharging sinuses with cervical lymphadenopathy with easily pluckable hair. What would be done for diagnosis

A sexually active male comes with c/o recurrent ulcers over the glans penis that heals with hyperpigmentation. Most probable diagnosis is

Which is NOT a dermatological manifestation of dermatomyositis

Flaccid bullae in the oral mucosa may show the following in immunofluoscence

3 year old child is brought with dermatitis on extensor surfaces. On probing his mother reveals history of bronchial asthma. Probable diagnosis is

True statement on Pityriasis rosea is

Pautrier's microabscess is seen in

Exclamation mark like hairs are seen in