The histopathological spectrum ofMelkersson-Rosenthalsyndrome: Analysis of 47 cases
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Citações na Scopus
7
Tipo de produção
article
Data de publicação
2020
Título da Revista
ISSN da Revista
Título do Volume
Editora
WILEY
Autores
FLOREZI, Giovanna Piacenza
LOURENCO, Silvia Vanessa
Citação
JOURNAL OF CUTANEOUS PATHOLOGY, v.47, n.11, p.1010-1017, 2020
Resumo
Background Melkersson-Rosenthal syndrome (MRS) is a rare disease characterized by the triad of recurrent orofacial edema, relapsing facial paralysis and plicated tongue. Histopathological features of MRS have not been extensively analyzed. Methods This study investigated the histopathological aspects of oral lesions from 47 MRS patients. Results The most common biopsy site was the upper lip, followed by the lower lip, gingiva and palate. The most important findings were ill-defined and well-formed granulomas. Lymphoplasmacytic inflammatory infiltrate was seen in early and late stages of MRS. Edema, fibrosis, vasodilatation and congestion were the most common finding in the lamina propria. Gingival and palate exams also demonstrated granulomatous infiltrates. Regarding the evolution time of the disease, we demonstrated that, in initial phases, there is a lymphoplasmacytic inflammatory infiltrates, followed by a granulomatous infiltrate and, subsequently, fibrosis. Conclusion Histopathological examination of oral lesions is helpful for the diagnosis of MRS; the absence of granulomatous inflammation does not exclude the diagnosis of syndrome. Clinical and histopathological analysis of the rare gingival and palate lesions is important, since all histopathological findings of the disease were detected in these sites.
Palavras-chave
facial paralysis, granulomatosis, orofacial, Melkersson-Rosenthal syndrome, pathology, cheilitis granulomatosa, orofacial granulomatosis, tongue, fissured
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