Disguised ulcer of lip and buccal mucosa – rare clinicalmanifestation as tuberculosis: a case report / Úlcera de mucosa labial e bucal – uma rara manifestação clínica detuberculose: relato de caso clínico

Introduction: Oral tuberculosis is a chronic granulomatous disease caused by Mycobacterium tuberculosis. According to the World Health Organization (WHO), nearly 2 billion people are infected with tuberculosis. Objective: To report a rare case of oral tuberculosis with ulcers at two different sites. Materials and methods: In order to emphasize the need to consider tuberculosis in the differential diagnosis of non-healing ulcers of oral cavity and the role of oral physician in preventing the spread of such lesions, this article presents a case of oral ulcers at two different sites, diagnosed as tuberculosis ulcer. Results: Oral cavity, which is considered to be a mirror of systemic health, rarely manifests tuberculosis. With increasing number of tuberculosis cases and unusual form of the disease in the oral cavity, the cases are likely to be misdiagnosed. Conclusion: An oral clinician should have a thorough knowledge of tuberculosis and its oral manifestations.

Introdução: A tuberculose oral é uma doença granulomatosa crônica causada pelo Mycobacterium tuberculosis. Segundo a Organização Mundial da Saúde (OMS), cerca de 2 bilhões de pessoas estão infectadas com tuberculose. Objetivo: Relatar um caso raro de tuberculose oral com úlceras em dois locais diferentes. Materiais e métodos: Para realçar a necessidade de considerar a tuberculose sob o diagnóstico diferencial das úlceras não curadas da cavidade oral e o papel do dentista na prevenção da propagação de tais lesões, este artigo apresenta um caso de úlceras orais em dois locais diferentes, diagnosticados como úlcera de tuberculose. Resultados: A cavidade oral, considerada como um espelho da saúde sistêmica, raramente manifesta a tuberculose. Com um número cada vez maior de casos de tuberculose e a forma não usual da doença na cavidade oral, os casos são frequentemente diagnosticados erroneamente. Conclusão: O dentista clínico geral deve ter um conhecimento profundo da tuberculose e de suas manifestações orais.

Primary isolated gingival tuberculosis

Tuberculosis of the oral cavity is a rare event and when present is usually secondary to pulmonary tuberculosis. We present a case of a 33-year-old male patient who presented with symptoms of gingivitis. Local examination revealed multiple ulcers and a few nodules over the gingiva. A nodule biopsy was consistent with the diagnosis of gingival tuberculosis. The patient had no evidence of tuberculosis any where else in the body. Medical treatment was curative. As this condition is very rare, it is often over looked as it is never thought as a common clinical diagnosis. A biopsy is mandatory to establish diagnosis. The relevant literature is reviewed.

Tuberculosis of the parotid gland.

Tuberculosis of the parotid gland is a rare entity. Only about a hundred cases have been reported till date, mostly from parotidectomy specimens. The present case was diagnosed by fine needle aspiration and treated successfully by short-course antitubercular chemotherapy. An early diagnosis can avoid parotidectomy, which can be a hazardous procedure in a medically treatable condition.