A mask-like rash
These are multiple linear erythematous streaks on the face of a teenage boy (fig 1) two weeks after he was stung by a jellyfish (type unknown) while swimming in the sea. He was systemically well but…

These are multiple linear erythematous streaks on the face of a teenage boy (fig 1) two weeks after he was stung by a jellyfish (type unknown) while swimming in the sea. He was systemically well but…