Figure 1.    This is a clinical photograph as the patient first presented to the Children’s Hospital Dental Clinic.  Note the large, smooth surfaced, dome-shaped exophytic nodule on the floor of mouth.

 

History of the present illness
This is a healthy six-year-old boy with a single asymptomatic, smooth-surfaced, dome-shaped exophytic nodule on the floor of the mouth referred to as “sublingual ranula” (Fig 1).  Identified during a routine examination by a pediatric general dentist, the lesion is of unknown duration. It is about 1.5 cm in greatest dimensions and is opalescent, white in color and spherical in shape.  It is soft in consistency.