International Poster Journal of Dentistry and Oral Medicine
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Int Poster J Dent Oral Med 18 (2016), OMD/PDA     15. Jan. 2017
Prémio OMD/Pierre Fabre 2016: Comunicação Oral de Caso Clínico Int Poster J Dent Oral Med 18 (2016), OMD/PDA  (15.01.2017)

Supplement, Poster 1076, Language: English


Differential Diagnosis of Single Pigmented Lesions of the Oral Mucosa: A Case Series
Macedo, Diana de / Cabrita, Joana / Louraço, Ana / Freitas, Filipe / Caramês, João
Description of clinical cases:
Case 1: A 60-year-old female patient was oberved with a single greyish macular lesion on the oral floor. Excisional biopsy was performed and the pathological examination confirmed the diagnosis of amalgam tattoo.
Case 2: A 73-year-old male patient was observed with a single brown macular lesion on the hard palate. Excisional biopsy was performed and the pathological examination confirmed the diagnosis of oral melanotic macula.
Case 3: A 66-year-old male patient was observed with a single bluish macular lesion on the hard palate. Excisional biopsy was performed and the pathological examination confirmed the diagnosis of blue melanocytic nevi.
Case 4: A 72-year-old female patient was observed with a single brown macular lesion on the hard palate. Incisional biopsy was performed and the pathological examination confirmed the diagnosis of oral melanoma.
Discussion: The color changes in the oral mucosa may correspond to a great variety of physiological or pathological, benign or malignant and local or systemic entities. The aim of this communication is to demonstrate through clinical cases which oral pigmented lesions are most relevant in the oral cavity.
Conclusions: The differential diagnosis of oral pigmented lesions is usually a major challenge to the dentist. A biopsy is a valuable tool in establishing the definitive diagnosis, essential for the implementation of the appropriate therapy.

Keywords: Amalgam tattoo, melanotic macula, blue melanocytic nevi, oral melanoma, pigmented lesions, differential diagnosis

Poster Award: Prémio OMD/Pierre Fabre 2016: Comunicação Oral de Caso Clínico

Conference/Exhibition:
25th Annual Meeting of the Portuguese Dental Association
10.-12. November 2016
Exponor, Porto, Portugal