title: Localised pityriasis rosea-like eruption during radiotherapy. Report of 2 cases.
abstract: Pityriasis rosea is a common skin condition that presents acutely with asymptomatic, scaly and oval plaques, usually in a well-recognised distribution over the trunk. Two men developed ovoid, scaly and annular lesions limited to the radiotherapy field during treatment for pelvic malignancies and without a preceding herald patch. Other causes of the eruption were excluded on clinical and pathological grounds and the histopathological features were consistent with a pityriasis rosea-like eruption. In both cases the lesions resolved spontaneously by 8 weeks. These are the first reported cases of a localised pityriasis rosea-like eruption arising during radiotherapy.
authors.affiliation: Department of Cancer Surgery (Dermatology), Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
authors.forename: Gary R
authors.initials: GR
authors.lastname: Moloney
authors.affiliation: Department of Cancer Surgery (Dermatology), Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
authors.forename: Michelle S Y
authors.initials: MS
authors.lastname: Goh
authors.affiliation: Department of Anatomical Pathology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
authors.forename: Catherine
authors.initials: C
authors.lastname: Mitchell
authors.affiliation: Department of Cancer Surgery (Dermatology), Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
authors.forename: Chris J
authors.initials: CJ
authors.lastname: McCormack
mesh_terms: D000230:Adenocarcinoma / Q000532:radiotherapy*; D006801:Humans; D008224:Lymphoma, Follicular / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D017515:Pityriasis Rosea / Q000209:etiology*; D011832:Radiation Injuries / Q000209:etiology*; D011878:Radiotherapy / Q000009:adverse effects*; D012004:Rectal Neoplasms / Q000532:radiotherapy*
keywords: pityriasis rosea; radiotherapy; skin toxicity