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Dermatology

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Scabies

Question
24 out of 28
 

A 6 month old infant presented with multiple papules & exudative lesions on the face, scalp, trunk and few vesicles on palms and soles for 2 weeks. His mother has H/O itchy lesions. The most likely diagnosis is - (AIIMS May 2014)



A Scabies

B Infantile exzema

C Infantile sebornheic dermatitis

D Impetigo contagiosa

Ans. A
i.e., Scabies

a. This Infant has :-

i. Papules & exudative lesions on face, scalp, trunk

ii. Vesicles on Palms & soles

iii. H/O of involvement of mother (Itchy lesions in mother).

b. This infant has papulo-vesicular lesions.

c. Two most important diseases which cause papulovesicular lesions in infant are :-

i. Atopic dermatitis ii. Scabies

d. But, in atopic dermatitis palms & soles are not involved.

e. So, this infant is suffering from scabies

Itchy papulovesicular lesion in Infant

Scalp, Face, Palm, Soles, Flexures, interdigital webs of fingers, genitals (penis, scrotum), umblicus & periumblical

areas, axilla

History of itching and similar lesion in family member

Face, Neck, extensors (knee & elbow) & groin

Scabies

Infantile atopic dermatitis

Note-

In infantile phase of atopic dermatitis extensor surfaces are involved, whereas in childhood and adult phase flexures are involved.

Scabies Flashcard List

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