title: [Extramucosal parietal lesions of the sigmoid of different aetiologies in children: report on two cases (author's transl)].
abstract: Rare, atypical, extramucosal parietal lesions in the rectosigmoid regions were observed in two children. The first child, with Henoch-Schönlein purpura, developed an intramural haematoma, a complication rarely reported in the literature. The second child had a perivisceral abscess of probable adnexial origin, arising during the course of pelvic septicaemia.
mesh_terms: D000038:Abscess / Q000150:complications*; D002675:Child, Preschool; D004927:Escherichia coli Infections / Q000175:diagnosis*; D005260:Female; D006406:Hematoma / Q000209:etiology*; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications*; D010388:Pelvis; D011859:Radiography; D012810:Sigmoid Diseases / Q000000981:diagnostic imaging / Q000209:etiology*
vernacular_title: Deux cas d'atteinte pariétale extra-muqueuse du sigmoïde d'étiologie différente chez l'enfant.