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  • Title: Tuberculosis cutis orificialis with both gingival involvement and underlying pulmonary tuberculosis.
    Author: Sun WL, Xu KL, Chen LL, Yu ZS.
    Journal: Aust Dent J; 2011 Jun; 56(2):216-20. PubMed ID: 21623816.
    Abstract:
    Tuberculosis cutis orificialis is a rare manifestation of cutaneous tuberculosis which occurs in the oral, perianal and adjacent mucosa. The most frequent orificial lesion location is the tongue. We report a case of a 35-year-old female with tuberculosis cutis orificialis with gingival involvement. She had a six-month history of a moderately painful gingival ulceration. Histopathological examination showed granulomatous infiltrates composed of epithelioid cells, Langhans giant cells and caseating necrosis. A purified protein derivative test was positive. Sputum culture was positive for Mycobacterium tuberculosis. Chest X-ray and high resolution computed tomography showed active pulmonary tuberculosis in both upper lung zones. The gingival specimen was positive for M. tuberculosis polymerase chain reaction. A complete resolution was achieved after six months of anti-tuberculosis therapy. Dental identification of M. tuberculosis may serve as an important aid in the first line of control of this dangerous infectious disease.
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