Actinomycosis and botryomycosis of the tonsil.

This study was carried out in 165 patients submitted to the surgery of tonsils or adenoid from 1977 to 1989 at the Botucatu Medical School Hospital. The clinical signs and histopathological findings were reviewed. All patients exhibited similar complaints with recurrent tonsillitis, sore throat, dysphasia, high temperature, and enlarged tonsils. After surgery, the tonsils was submitted to histopathological study and showed "grains" in the crypts in 6 cases. Four cases (2.4%) of Actinomyces and two (1.2%) of Botryomyces were identified. Any clinical peculiarity was identified with the presence of these "grains."