Focal lymphocytic sialadenitis and ectopic germinal centers in oral reactive lesions and primary Sjögren's syndrome: a comparative study.

Ectopic germinal centers Focal lymphocytic sialadenitis Immunohistochemistry Non-Sjögren’s non-sicca patient Oral reactive lesions Sjögren’s syndrome

Journal

Rheumatology international
ISSN: 1437-160X
Titre abrégé: Rheumatol Int
Pays: Germany
ID NLM: 8206885

Informations de publication

Date de publication:
08 2022
Historique:
received: 13 04 2021
accepted: 13 07 2021
pubmed: 21 7 2021
medline: 20 7 2022
entrez: 20 7 2021
Statut: ppublish

Résumé

Focal lymphocytic sialadenitis (FLS), an important diagnostic criterion for Sjögren's syndrome (SS) diagnosis, can also be observed when assessing minor salivary gland (mSG) biopsies from healthy asymptomatic individuals (non-SS patients). Fifty cases of primary SS (pSS group) and 31 cases of oral reactive lesions (non-SS non-sicca group) containing also typical FLS features, were assessed by morphological and immunohistochemical (CD10, CD23 and Bcl-6) analysis, aiming at the detection of GCs. All pSS cases showed FLS with focus score (FS) ≥ 1. In the non-SS non-sicca group, 12, 10 and 9 cases showed FLS with FS ≥ 1, FLS with FS < 1 and FLS associated with chronic sclerosing sialadenitis with FS < 1, respectively. The morphological analysis revealed similar frequency of GCs in pSS (20%) and non-SS non-sicca group (19%). The area (p = 0.052) and largest diameter (p = 0.245) of GCs were higher in pSS than non-SS non-sicca group. The FS and number of foci were significantly higher in pSS than non-SS non-sicca group with FS < 1. Immunohistochemistry confirmed all morphological findings (GCs showing CD23 and Bcl-6 positivity, with variable CD10 expression) and additionally in 3 and 1 cases of the pSS and non-SS non-sicca group, respectively. Moreover, another 6 and 2 cases of the pSS and non-SS non-sicca group with FS ≥ 1, respectively, showed positivity only for CD23. FLS can also be observed when assessing oral reactive lesions, which showed similar frequency of GCs with those found in pSS patients. Further studies, including functional analysis of lymphocytic populations and GCs in FLS, are encouraged.

Identifiants

pubmed: 34283264
doi: 10.1007/s00296-021-04949-6
pii: 10.1007/s00296-021-04949-6
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

1411-1421

Informations de copyright

© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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Auteurs

Evânio Vilela Silva (EV)

Oral Medicine, Department of Diagnosis and Surgery, Araraquara Dental School, Sao Paulo State University (UNESP), Araraquara, São Paulo, Brazil.

Luciana Yamamoto Almeida (LY)

Oral Medicine, Department of Diagnosis and Surgery, Araraquara Dental School, Sao Paulo State University (UNESP), Araraquara, São Paulo, Brazil.

Karen Cristine Bortoletto (KC)

Oral Pathology, Department of Stomatology, Public Oral Health and Forensic Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (FORP/USP), Ribeirão Preto, SP, 14040-904, Brazil.

Isabela Barbosa Quero (IB)

Oral Pathology, Department of Stomatology, Public Oral Health and Forensic Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (FORP/USP), Ribeirão Preto, SP, 14040-904, Brazil.

Fernanda Carolina Jacomini (FC)

Oral Pathology, Department of Stomatology, Public Oral Health and Forensic Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (FORP/USP), Ribeirão Preto, SP, 14040-904, Brazil.

Bruno Augusto Benevenuto de Andrade (BAB)

Oral Pathology, Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.

Heitor Albergoni Silveira (HA)

Oral Medicine, Department of Diagnosis and Surgery, Araraquara Dental School, Sao Paulo State University (UNESP), Araraquara, São Paulo, Brazil.

Andressa Duarte (A)

Department of Pathology and Forensic Medicine, Ribeirão Preto Medical School (FMRP/USP), University of São Paulo, Ribeirão Preto, SP, Brazil.

Flávio Calil Petean (FC)

Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.

Eduardo Melani Rocha (EM)

Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.

Alfredo Ribeiro-Silva (A)

Department of Pathology and Forensic Medicine, Ribeirão Preto Medical School (FMRP/USP), University of São Paulo, Ribeirão Preto, SP, Brazil.

Román Carlos (R)

Departament of Pathology, Hospital Herrera-Llerandi/AMEDESGUA, Guatemala City, Guatemala.

Jorge Esquiche León (JE)

Oral Pathology, Department of Stomatology, Public Oral Health and Forensic Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (FORP/USP), Ribeirão Preto, SP, 14040-904, Brazil. jleon@forp.usp.br.

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