Search for: [Abstract = "Color photographs of lesions and the histopathological result were evaluated. Results In melanomas, the following characteristics were identified\: asymmetry of the pattern and colour, larger average number of colours, the presence of grey colour, structureless area, polymorphic vessels and feeder vessels. A pattern of black dots and a black colour was typical of malignant lesions and pre\-cancerous \(premalignant\) lesions \- primary acquired melanosis \(PAM\) with atypia. Cysts were observed only in the group of naevi. On the basis of modified dermatoscopic criteria, an algorithm was generated consisting of an assessment of the presence of 9 suspicious characteristics, e.g. more than two colours, colour asymmetry, pattern asymmetry, vascular polymorphism, presence of short vessels, linear vascular pattern, the presence of a peripheral structureless area \(in any color axcept the conjunctiva\), the presence of a grey structureless area and black dots in any part of the lesion. The presence of any of these characteristics scores 1 point. If a melanocytic lesion scores ≥3 points, the probability of diagnosing melanoma is on the level of p>0.001 Among 305 conjunctival tumors excised in one year, pigmented ones were noted in 190 \(62.3%\) cases, and amelanotic in 115 \(37.7%\). Histopathological examination confirmed the presence of benign lesions in 153 \(80.5%\) in th"]

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