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Revista da Associacao Paulista de Cirurgioes Dentistas
versão impressa ISSN 0004-5276
Resumo
LUCIO, Priscilla Suassuna Carneiro et al. Solitary plasmacytoma of the bone: report and discussion of a case of involvement unusual. Rev. Assoc. Paul. Cir. Dent. [online]. 2015, vol.69, n.2, pp. 164-168. ISSN 0004-5276.
Plasmacytoma is a clonal proliferation and neoplastic of plasma cells. Patient, female, 51 years old, no history of smoking and alcohol consumption showed mild inflammation and swelling in the oral gingiva of the tooth 48 with mobility grade I. Radiographically verified the presence of radiolucent and multilocular image in the region of the mandibular angle. During surgery confirmed the presence of a lesion detachable, friable, browned and containing purulent fluid inside. This lesion was removed fully together with the tooth 48. Histopathology (HE) was identified a malignant neoplasm characterized by proliferation of plasmacytoid cells intensely hyperchromatic and pleomorphic. These cells exhibited large basophilic nucleus with remarkable irregular chromatin distribution. To confirm the diagnosis proceeded immunohistochemistry evaluation which showed positivity for Plasma Cell and Lambda and negativity of Kappa. Based on these findings concluded the diagnosis of plasmacytoma.
Palavras-chave : plasmacytoma; review; bone and bones; diagnosis.