Publications by authors named "N Ortonne"

Article Synopsis
  • - The study investigates primary cutaneous marginal zone lymphoma (PCMZL) by analyzing recurrent cases to determine whether it's a reactive process or a true lymphoma, utilizing data from the French Study Group of Cutaneous Lymphoma (GFELC).
  • - Methods included assessing histology, B-cell clonality, and immunophenotype of lesions, revealing that most initial cases were localized, with differences in recurrence times based on location, and certain clonal patterns were more prominent in local recurrences.
  • - The findings suggest that assessing immunoglobulin phenotype, particularly IgM and IgD, may be critical for diagnosing PCMZL, as IgM-positive cases tend to lead to more aggressive transformation and poorer prognosis, indicating different biological
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Unlabelled: Erythema multiforme is an inflammatory skin and mucosal disease mainly related to infectious agents such as Herpes simplex virus, , though it can also be "idiopathic". The characteristic skin lesions are typical or atypical acral raised target lesions. The oral mucosa can be affected, alone or in combination with other mucosal/cutaneous sites, sometimes causing extreme pain, severely impacting food intake, and warranting hospitalization.

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Article Synopsis
  • * Some skin lesions can be subtle, often categorized as "invisible" dermatoses, like primary macular cutaneous amyloidosis and calciphylaxis, necessitating detailed examination.
  • * Certain conditions have significant prognostic implications, indicating potential underlying diseases like monoclonal gammopathies or association with visceral damage, underscoring the importance of clinical-pathological comparison to differentiate between serious conditions.
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Background: Mycosis fungoides (MF) usually has an indolent course. However, some patients develop more aggressive disease and few prognostic parameters have been identified. Isolated cases of pustular MF (pMF) suggest an unfavourable prognosis.

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