Abstract: Background: Malum perforans pedis is a chronic disease characterized by a punched out ulceration that may enlarge. The ulcer is localisated in a foot. It is a complication of the primary disease of the different origin that is always presented with a vaculopathies or neuropathies, and is common in diabetic patients. Malum perforans pedis appears in a sole of the foot and mostly occurs with no pain. The disease is mostly caused by the pressing of the underlain bone and a chronic trauma on a poor blood flow of the tissue. The treatment consists: on a treatment of the primary disease-vaculopathy and neuropathy; the local treatment includes treatment of the infection and the wound treatment through surgery and skin grafting. Case presentation: This paper presents a case of a 49 year old woman with the ulceration on a sole of the left foot that did appeared before four months. The patient claims that the changes began after wearing shoes that hurt her foot. The patient also claims that during the past year she had some signs of diabetes and the measure of the blood sugar shows high levels. The patient also gives interesting data that during the last few years she have had used cosmetics which contained mercury. Conclusions: Malum perforans pedis is a disease where the patient loses the feeling of pain and the chronic trauma causes the injury and following that during the time the defect in a skin enlarges and makes a trophic ulcer in a various size and form. It also depends on a microangiopathies due to diabetes and arteriosclerosis.Abstract: Background: Malum perforans pedis is a chronic disease characterized by a punched out ulceration that may enlarge. The ulcer is localisated in a foot. It is a complication of the primary disease of the different origin that is always presented with a vaculopathies or neuropathies, and is common in diabetic patients. Malum perforans pedis appears in...Show More