renal transplantation is considered one of the best long-term therapies for chronic renal failure, but unfortunately the incidence of malignancy significantly increases in renal transplant recipients. we analyzed nine cases of malignancy in 200 renal transplant recipients occurring in a 12-year follow-up in imam hospital of tehran university, tehran, iran. according to this study, the organ mos...

background : seborrheic keratosis is a common, benign skin tumor. numerous reports have shown its possibility of malignant transformation. this study was designed to demonstrate the occurrence of concomitant seborrheic keratosis and skin cancers. methods : data was retrospectively reviewed from all patients with a diagnosis of seborrheic keratosis in pathology department of alzahra hospital and...

BACKGROUND The rising incidence of melanoma - Switzerland has the highest incidence in Europe - is a major public health challenge. Swiss dermatologist introduced the "Swiss Skin Cancer Day" (SSCD) in 2006, which provides skin cancer screening at no costs. The aim of the study was to describe the participating subjects and their motivation and investigate factors influencing the probability of ...

The aim of this review is to familiarize dermatologists and clinicians in general with cutaneous signs and symptoms that can help lead to an early diagnosis of an underlying malignancy. Because the skin is one of the most accessible organs, it should never be overlooked in systemic disease. Examination of the skin has the advantage of revealing important information about the patient's conditio...

Skin metastasis is a rare manifestation of internal malignancy. Presence of cutaneous metastasis can be seen in 6.4% of all malignancy at some point in time. Cutaneous metastases as a presentation of upper gastrointestinal malignancy is far less common (<1%). Here we present a case of poorly differentiated adenocarcinoma of the stomach that presented with extensive metastases of skin, liver and...

Cutaneous metastases may be either the initial manifestation of an internal malignancy or represent recurrent neoplastic disease. The aim of this study was to investigate the incidence and characteristics of cutaneous metastases in cases of internal malignancy. A total of 1287 patients with internal malignancy were included in the study. Dermatological examinations were performed on all of the ...

Melatonin inhibits tumor genesis in a variety of in vivo and in vitro experimental models of neoplasia. In industrialized societies, light at night, by suppressing melatonin production, poses a new risk for the development of a variety of cancers such as breast cancer. This effect on skin has been previously studied only in animals and not in humans. Our goal was to examine the relationship bet...

this investigation was done in kennan from march 1989 to march 1993 to study the epidemiology of cancers in this province and to compare the results with a previous study performed in this area and some available statistics. a total number of 288 1 new cases of malignancy were registered and the crude relative frequency of cancers was studied. gastric cancer with a frequency of 9.7%, malignant ...