Knowledge of factors associated with the detection of cutaneous malignant melanomas and reasons for delay in diagnosis are essential for the improvement of secondary prevention of cutaneous melanoma. For this reason, the extent and consequence of patient and professional delay in diagnosis and treatment was investigated in 233 patients with histologically proven primary cutaneous melanomas seen...

Melanoma is one of the most aggressive forms cancer, which can be treated only with early detection disease. The article discusses existing algorithms and methods visual diagnosis melanoma. systems automatic dermatoscopic images used by them are also considered. considers limitations hindering development systems: lack relevant domestic data sets that allow training artificial intelligence mode...

a 75-year–old patient was referred with vaginal bleeding. her physical exam showed two flat dark plaques on the posterior fourchette, mostly on left lateral side of the vulva. a black soft mucosal nodule was present on the left lateral side of upper vagina, and a polypoid ulcerative cervical lesion extended into the right parametrium. cervical and vaginal biopsies were in favor of malignant mel...

A 75-year–old patient was referred with vaginal bleeding. Her physical exam showed two flat dark plaques on the posterior fourchette, mostly on left lateral side of the vulva. A black soft mucosal nodule was present on the left lateral side of upper vagina, and a polypoid ulcerative cervical lesion extended into the right parametrium. Cervical and vaginal biopsies were in favor of malignant mel...

Nail unit melanoma is a type of acral lentiginous melanoma and requires histopathologic examination for a confirmed diagnosis. However, inadequate biopsy techniques make definitive diagnosis difficult. A 61-year-old man presented with progressive nail pigmentation for 15 years, which was clinically highly suspicious for malignancy. Acral lentiginous melanoma was not detected in punch and longit...

OBJECTIVE To determine if patients diagnosed as having metastatic uveal melanoma before the onset of symptoms experience more favorable survival outcomes than patients diagnosed after the onset of symptoms. METHODS A retrospective cohort study was performed among 90 patients who were diagnosed as having metastatic uveal melanoma after proton beam irradiation by routine surveillance testing (a...

absract intracranial invasion of cellular blue nevus (cbn) from the skin is extremely rare and such a condition with malignant transformation is even rarer. a case of meningeal melanoma with malignant transformation which was derived from an ota nevus is presented in this report. a21-year-old man with a neurocutaneous syndrome since childhood was referred with headache and mild left hemiparesia...

purpose : to assess the results of brachytherapy in patients with recurrent or incomplete excised conjunctival squamous cell carcinoma (scc) and malignant melanoma. methods : three patients underwent brachytherapy of one eye and one patient underwent brachytherapy of both eyes with ruthenium-106 (ru-106) plaques, all of them had a history of incomplete resection or recurrence of the tumor after...

BACKGROUND Early and accurate diagnosis of melanoma, the deadliest type of skin cancer, has the potential to reduce morbidity and mortality rate. However, early diagnosis of melanoma is not trivial even for experienced dermatologists, as it needs sampling and laboratory tests which can be extremely complex and subjective. The accuracy of clinical diagnosis of melanoma is also an issue especiall...

Skin cancer is usually classified as melanoma and non-melanoma. Melanoma now represents 75% of humans passing away worldwide one the most brutal types cancer. Previously, studies were not mainly focused on feature extraction Melanoma, which caused classification accuracy. However, in this work, Histograms orientation gradients local binary patterns procedures are used to extract important featu...