There was found a statistical significant difference in terms of choice of methods of operative treatment for the significantly higher number of operations on the scalp operated with cutaneous transplants. It was confirmed that the localization of the tumors on the scalp, and then on the nose are with the highest incidence of the relapse, whereas the postoperative defacement is mostly on the scalp after skin graft placement. Key

Introduction:Timely diagnosis is a prerequisite for the successful treatment of malignant skin tumors. Late diagnosis leads a patient into a situation of losing valuable time and chance for cure.Material and methods:A prospective study was conducted from February 2006 until August 2011 which analyzed the reasons that led to establishing the diagnosis of malignant skin tumors in 220 patients. Patients were divided into two groups: Group A (102 patients), patients with diagnosed melanoma, and group B (118 patients) of patients suffering from basocellular (BCC) and planocellular cell (PCC) skin cancer. Parameters for comparison of analysis results were the reasons for coming to examination and reasons for not coming to the examination, because of which skin cancers were not diagnosed in time.Goal:To determine the factors that influences the establishment of late diagnosis and treatment of skin tumors.Results:It was confirmed that the prejudices of patients that tumors of the skin „should not be operated because it is dangerous“ is the main reason for late diagnosis. At the same time it is confirmed that the belief that it is unnecessary to operate congenital changes of the skin is the second most important reason for delayed diagnosis of malignant skin tumors.

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The prospective study, which lasted from February 2011 to March 2014, included respondents who were referred to computerized dermoscopy due to melanocytic skin tumours. The respondents were divided into 2 groups. The first one, group A, (38 respondents) consisted of respondents who had personally expressed concern about the existing pigment changes on the skin and had desire for examination. The second one, group B, (40 respondents) consisted of respondents that did not come for examination due to changes on the skin, but for other reasons, but suspicious skin lesions were indirectly detected. The aim of this study was to analyse the importance of early suspicion of melanocytic malignant skin tumours by specialists of primary and secondary health care Parameters for comparing the results were respondents' subjective attitude to pigmented skin changes, as well as dermoscopy and / or PH finding. There was no statistically significant difference between groups in terms of respondents' attitudes to pigmented skin lesions, i.e. fear of skin changes, the belief that moles should not be touched (operated on), or that pigment changes that they have since birth are not dangerous. Early suspicion of melanoma in Group B resulted in detection of 4 nodular melanoma and 3 superficial spreading melanoma, while in group A there were no malignant skin lesions, which is a statistically highly significant difference. It was confirmed that early suspected melanoma and referring patients to dermoscopic examination had advantages as working principle in any clinic or any specialty.

The prospective study, which ran from January 2010 to January 2015, included the respondents treated for breast carcinoma. The respondents were divided into 3 groups. The first, the A group (63 respopndents), consists of women with (not) completed elementary school. The second, group B (60 resppondents), consists of women who have secondary education, while the third, group C (33 respondents) make women with college or university degrees. The aim is to analyze the impact of the level of education on early diagnosis of breast carcinoma in women. The observed parameters are the age of respondents and the primary risk factors. Parameters for the comparison of the results were: the attitude of the respondents to breast tumors, history of the breast self-examination, breast ultrasound examinations, data on mammography, as well as information on the diameter of the tumor at the moment of the discovery. There was no statistical difference in attitude of respondents about breast tumors when it comes to fear and / or phobia of breast carcinoma. It is almost identical to the number of respondents who have no opinion on breast tumors. Concerning the attitude of respondents that there is no risk of breast carcinoma, if nobody in the family previously had breast carcinoma, then in terms of the attitude that they do not want "their breasts to be explored", as well as the attitude that "any breast examination does not help much", a statistical difference between the studied groups was found. It was found that breast self-examination is performed by most of the respondents, but that patients in group C do it more often. It has been shown that ultrasound and mammography are more often performed by patients in group C and this characteristic makes a significant statistical difference. In Group C, the tumor was detected in diameter to 2 cm which proved statistically different. One of the reasons for early detection of tumors (diameter to 2 cm) in group C may be better enlightenment or a higher level of education of this group.