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Year : 2017  |  Volume : 9  |  Issue : 6  |  Page : 293-296

Pigmented injury in the jugal mucosa

1 Department of Stomatology, Faculty of Health Sciences, Universidade do Vale do Paraíba (UNIVAP), Schools of Dentistry, São Paulo, Brazil
2 Department of Stomatology, Faculty of Health Sciences, Universidade do Vale do Paraíba (UNIVAP), Schools of Dentistry; Laser Therapy and Photobiology Center, Institute of Research and Development, UNIVAP, São Paulo, Brazil

Correspondence Address:
Dr. Renata Amadei Nicolau
Av. Shishima Hifumi, 2911, Urbanova, CEP: 12.244-000, São José dos Campos - São Paulo

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jioh.jioh_186_17

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The buccal cavity can be affected by lesions with different clinical aspects. The pigmented lesions are distinguished by their various causes and consequently, numerous treatments and prognoses. Exogenous pigmentations, melanocytic nevus, and melanocytic melanoma may present very similar clinical characteristics, which makes diagnosis difficult and compromises treatment. The objective of this study was to report the case of a patient diagnosed with melanoma and surgical indication but who, after careful clinical examination and biopsy, received the final diagnosis of exogenous pigmentation. The ABCDE criterion served as a guide to the distinction between benign and malignant lesions; however, complementary tests are essential to conclusive diagnoses, as in the reported case. Radiographic examination may be useful in the differentiation of pigmentation from metallic material; however, as observed in the present case, the examination is not always conclusive. The biopsy was fundamental to obtain the diagnosis and determine the ideal treatment approach. From the case reported, it was possible to conclude that detailed anamnesis and physical examination were essential to guide clinical management.

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