A 3 year old child has eczematous dermatitis on extensor surfaces. His mother has a history of Bronchial asthma. Diagnosis should be - (AIIMS Nov 2014)
|B||Contact dermatitis NEETIDNB Pattern)|
|D||Infantile eczematous dermatitis|
i.e., Atopic dermatitis [Ref Previous explanation]
a. In this question :-
i. Child is 3 years old
ii. History of Asthma in mother
iii. Extensor involvement
b. First two points suggest the diagnosis of atopic dermatitis (childhood pattern).
c. About third point (extensor involvement) :-
"Though childhood atopic dermatitis mainly involves flexural parts, less commonly extensor surfaces may also be
d. Further, you can easily rule out other three options :-
i. Contact dermatitis
· = Family history of asthma is not important.
· = No history of contact to allergen.
ii. Seborrheic dermatitis
· Occurs in adults and less frequently in infants but not in children.
iii. Infantile eczematous dermatitis
· Occurs in Infant.
I think option D. requires specific mention here :-
If the age of the child would have been 3 months (instead of3 years), then it is the typical of Infantile eczematous
dermatitis (Infantile atopic dermatitis) which involves face and extensor surfaces.