Pachydermodactyly is a type of benign digital fibromatoses, a rare condition that affects mostly young men. The cause is unknown but some authors suggest that traumatism can be involved. A 16-year-old man presented with symmetrical painless swellings on the fingers of both hands. He used to rub his fingers together. The control of living habits must be enphasized in order to avoid repeteated injuries. Hence, our consultation work is with the patient and his family. We describe a new case of pathology with a common clinical diagnosis, whose ignorance could lead us to carry out unnecesary tests involving inconvenience to the patient. It is important to emphasize the modification of the patient's living habits in order to achieve its improvement.