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What is Child with recurrent mouth ulcer which usually begin as a round yellowish elevated spot surrounded by a red halo and heals within 7-10 days: and explain in detail?
Ans.: (b) Aphthous ulcersRef.: Harrison's 19th ed. /239* Apthous ulcers are also called as canker sores/apthous stomatitis and present as round ulcer with yellowish base and surrounded by a red halo.# The usual sites are oral mucosa on the insides of lips , cheeks or below the tongue.# Most of apthous ulcers are <5mm in size and heal within 1-2 weeks.# Painless recurrent apthous ulcers are seen in SLE# Painful recurrent apthous ulcers in oral cavity and genitilia is seen are in Behcet disease