The patient was a 51-year-old housewife with the chief complaint of contact pain in the hard palate. The past history disclosed tuberculosis of the pulmonary, the uvula, the tonsils and the larynx.
Intraoral examination revealed a deep ulcer in the center of the hard palate. It's surrounding mucosa was markedly reddening, but not indurated. The ulcer was about 13×10mm in size, circular in shape. The edge was uneven, and partially undermined. The base was covered with grayish-white coating.
The clinical and histopathological diagnosis was tuberculosis of the hard palate.
Isonicotic acid hydrazide was administered for 6 months. The ulcer was completely healed.
