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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

November/December 2009
Volume 40 , Issue 10

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Primary Extranodal Non-Hodgkin Lymphoma of the Gingiva Initially Misdiagnosed as Dental Abscess

Carla Patrícia Martinelli-Kläy, DDS, MSc, PhD/Celso Ricardo Martinelli, DDS/Celso Martinelli, DDS, PhD/José Benedito Dias, DDS/Teresa Cristina Cheade, DDS/Tommaso Lombardi, MD, Ph MD, DMD, PD

Pages: 805–808
PMID: 19898711

Oral non-Hodgkin lymphomas are uncommon, and those arising on the gingiva are rare. A case of non-Hodgkin lymphoma of the gingiva that was erroneously diagnosed and treated as a dental abscess is presented. Clinical examination showed a firm and ulcerated mass extending from the mandibular right first premolar region to the retromolar trigone. Resorption of the alveolar ridge was radiographically observed. Histologic analysis revealed a large B-cell non-Hodgkin lymphoma. No other evidence of the disease was found except in the mandible. The patient was treated with chemotherapy that resulted in complete regression. As primary non-Hodgkin lymphoma of the gingiva can be misdiagnosed as a trivial inflammatory lesion, a histologic examination should be mandatory in those cases in which symptoms do not subside after specific treatment. (Quintessence Int 2009;40:805–808)

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