1998
DOI: 10.1001/archderm.134.1.62
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Cellular and Molecular Dynamics in Exercise-Induced Urticarial Vasculitis Lesions

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1998
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Cited by 51 publications
(28 citation statements)
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“…These findings suggest that immune complexes contribute to the development of the eruptions in hepatitis A virus infections. Indeed, although histologic studies failed to reveal leukocytoclastic vasculitis, lymphocytic infiltration with perivascular nuclear dusts were detected in the upper dermis in this patient, a finding suggestive of the preceding presence of leukocytoclastic vasculitis: because our histologic time course analyses of exercise-induced urticarial vasculitis lesions demonstrated that lymphocytic infiltration with a number of nuclear dusts were observed in the upper dermis in a specimen obtained rom the late stage of the leukocytoclastic vasculitis lesions [11], the predominance of lymphocytes and absence of neutrophils could be interpreted as indicating the late timing of biopsy rather than the absence of leukocytoclastic vasculitis.…”
Section: Discussionmentioning
confidence: 93%
“…These findings suggest that immune complexes contribute to the development of the eruptions in hepatitis A virus infections. Indeed, although histologic studies failed to reveal leukocytoclastic vasculitis, lymphocytic infiltration with perivascular nuclear dusts were detected in the upper dermis in this patient, a finding suggestive of the preceding presence of leukocytoclastic vasculitis: because our histologic time course analyses of exercise-induced urticarial vasculitis lesions demonstrated that lymphocytic infiltration with a number of nuclear dusts were observed in the upper dermis in a specimen obtained rom the late stage of the leukocytoclastic vasculitis lesions [11], the predominance of lymphocytes and absence of neutrophils could be interpreted as indicating the late timing of biopsy rather than the absence of leukocytoclastic vasculitis.…”
Section: Discussionmentioning
confidence: 93%
“…Si les VE rapportées dans le paragraphe précédent sont bénignes, il faut néanmoins se méfier des vasculites urticariennes d'effort à partir du moment où des lésions infiltrées se développent ou s'il existe une pigmentation séquellaire. Kano et al ont décrit le cas d'une femme de 54 ans qui développait une vasculite urticarienne d'effort des membres inférieurs [36]. Trois heures après un exercice physique (marche et descente d'un escalier pendant 15 minutes à température ambiante), la patiente développait à nouveau des placards urticariens puis un purpura infiltré dans les dix heures.…”
Section: Purpura Systémique Ou à Potentielles Implications Vitale Ou unclassified
“…Trois heures après un exercice physique (marche et descente d'un escalier pendant 15 minutes à température ambiante), la patiente développait à nouveau des placards urticariens puis un purpura infiltré dans les dix heures. L'éruption s'amendait spontanément dans les 72 heures laissant des séquelles pigmentées [36]. Les explorations étaient en faveur d'un syndrome de Sjögren (positivité des anticorps antinucléaires, anti-Ro/SSa et anti-La/SSb, des facteurs rhumatoïdes et du test de Shirmer) avec vasculite leucocytoclasique [36].…”
Section: Purpura Systémique Ou à Potentielles Implications Vitale Ou unclassified
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“…O aumento crônico da produção de citocinas pró-inflamatórias, imunomodulatórias e da expressão de moléculas de adesão e de classe II do MHC pode favorecer o desenvolvimento do fenômeno autoimune nos pacientes com urticária (Kano et al, 1998, Haas et al, 1996Hermes et al, 1999). Estudos in situ das pápulas de pacientes com UCI evidenciaram um aumento da expressão de Eselectina e de ICAM-1, associado à elevados níveis de TNF-α, IL-4 e LTC4 (Walsh et al, 1991) e de quimiocinas como RANTES e proteína inflamatória de macrófago α 1 (MIP-α) (Bressler, 1995).…”
Section: Urticária Crônica Idiopáticaunclassified