Pityriasis rosea Flashcards

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1
Q

The aetiology is not fully understood but is thought that

A

herpes hominis virus 7 (HHV-7) may play a role.

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2
Q

features of Pityriasis rosea

A

minority may give a history of a recent viral infection

herald patch (usually on trunk)

erythematous, oval, scaly patches which follow a characteristic distribution with the longitudinal diameters of the oval lesions running parallel to the line of Langer. This may produce a ‘fir-tree’ appearance

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3
Q

Mx Pityriasis rosea

A

self-limiting - usually disappears after 6-12 weeks

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