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)
|C||Infantile sebornheic dermatitis|
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
• History of itching and similar lesion in family member
• Face, Neck, extensors (knee & elbow) & groin
Infantile atopic dermatitis
In infantile phase of atopic dermatitis extensor surfaces are involved, whereas in childhood and adult phase flexures are involved.