[Malignant neoplasm in burn scar: Marjolin's ulcer. Report of two cases and review of the literature].

Background: Marjolin's ulcer forms part of a group of neoplasms that originate in a burn scar, a phenomenon associated with superficial tissue trauma. The frequency of Marjolin's ulcer is low and represents between 2 and 5% of all squamous cell carcinomas of the skin. This condition is found three times more frequently in men than in women and is thought to be more aggressive than conventional squamous cell carcinoma of the skin.

[Breast fibromatosis: a lesion mimicking cancer].

Background: Breast fibromatosis (BF) is a rare benign pathological entity. Its etiology is unknown, but it has been associated with surgical trauma and certain genetic disorders.

Clinical Cases: Case 1.

[Experience with Clotteau-Prémont's technique in abdominal wall hernias. Preliminary report].

Background: Incisional hernias account for at least a third of abdominal wall hernias. There are different techniques of repair that include the use of prosthetic materials, which has lowered the hernia recurrence rate. Nonetheless, its use in case of rejection or infection requires other techniques with local tissue.