Their sizes vary, but they average 2 to 3cm in diameter. They are whitish with a regular background and are usually located at the front and on the ventral surface of the tongue 13. When TB occurs in the nodular form, the clinical course is more persistent and painful. In these cases there is painless cervical lymphadenopathy which subsequently can form abscesses and open to the skin. They discharge a necrotic material 4.
Cuando la TB se presenta en forma nodular, el curso clínico es más persistente y doloroso; en estos casos hay adenopatías cervicales indoloras que posteriormente pueden formar abscesos y abrirse a la piel, descargando un material necrótico y caseoso 4, forma conocida como escrófula.