_DISEASES_EN

A chemically-reactive lesion appears clinically as a red-coloured (erosion), occurring after contact with an irritant (e.g. the ingestion of food or drugs). Once the irritant has been identified, its consumption should be suspended and a hyaluronic gel with amino acids applied. If the lesion does not disappear within 15 days, a biopsy and histo-cytopathological...

A white sponge nevus is an extensive, white and bilateral lesion (on the buccal mucosa), which is velvety to the touch. It is asymptomatic and requires no treatment.

A haematoma is a collection of blood, which appears as a swelling of bluish-red tissue.

Melanoma is a malignant neoplasm, originating from melanocytes; it can occur on the skin, the mucosa and the eye. It occurs rarely in the mouth, appearing as a rather dark, pigmented lesion (macula), which is asymptomatic in the initial phases. Subsequently, it can cause blood loss, a loosening of the teeth, swelling...

A rhabdomyoma is a rare, benign tumour, originating in the cells of striated muscle, predominantly involving the head-neck area. In the oral cavity it presents as a sub-mucosal neoformation, which is well-defined and generally asymptomatic. In the oral cavity a rhabdomyoma typically involves: the oral floor, soft palate, tongue and buccal mucosa. Diagnosis is...

Syphilis (also known as Lues venerea) is an infective pathology, which is caused by a bacterium (Treponema pallidum). It is mainly transmitted sexually and is chronic; 3 phases can be distinguished:1. Primary syphilis presents after 1-3 weeks of contact with the bacterium, a raised lesion with an erosion or ulcerated centre. ...

A parulis presents clinically as a proliferative neoformation on the periapical gingival tissue; its pathological significance is described under the heading “abscess”.