A young boy presents with dark patches with itching. On rubbing there is appearance of wheal. Diagnosis is –
Correct Answer: Urticaria pigmentosa
Description: Ans is 'b' i.e. Urticaria pigmentosa Urticaria pigmentosao Urticaria pigmentosa (also known as "Generalized eruption of cutaneous mastocytosis (childhood type)) is the most common form of cutaneous mastocytosiso Urticaria pigmentosa is most common in children. It can also occur in adultso Urticaria pigmentosa occurs when there are too many mast cells in the skin.o Urticaria pigmentosa is a characterized by patches of darker skin and very bad itching. Hives can develop when these skin areas are rubbed (Darier's sign). It's caused by the release of histamine from the mast cells.o Adults or adolescents are more likely to have uncommon symptoms like diarrhea, tachycardia, nausea or vomiting, fainting, dizziness, headache.
Category:
Skin
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now