Melanocytoma of the optic disc is a well known variant of melanocytic nevus that usually occurs as a deeply pigmented lesion on the head of the optic disc. Historically, this tumor has often been confused with malignant melanoma. Histopathologically, it is composed of deeply pigmented round oval cells with abundant cytoplasm and small, round, bland nuclei. Melanocytomas is a benign, stationary tumors, with almost no propensity to undergo malignant transformation. Most cases that occur on the optic disc are visually asymptomatic, but they can cause an afferent pupillary and visual field defects. Importantly, it can exhibit malignant transformation into melanoma in 1 to 2% of the cases. The affected patients should have periodic follow up.O m...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Small-pigmented lesions over the optic disc are very rare and may represent a diagnostic challenge. ...
A case of a patient with an irregular pigmented lesion of the lower eyelid margin simulating maligna...
Objectivo: Relato das dificuldades diagnósticas e de decisão terapêutica, bem como da abordagem cirú...
Objective: to present a case of a child who was subjected to sentinel lymph node biopsy for cutaneou...
Melanoma is a malignant neoplasm of melanocytes which produce melanin, responsible for skin pigmenta...
A case of primary malignant melanoma on the upper alveolar ridge is reported in a thirsty six year o...
Los tumores del sistema melanocítico pueden ser benignos y malignos. Los benignos son extraordinaria...
Epithelioma of the conjunctiva, malignant melanoma of the choroid and retinoblastoma are not infrequ...
Orientador : Profª. Dra. Betina WernerMonografia (especialização) - Universidade Federal do Paraná. ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Small-pigmented lesions over the optic disc are very rare and may represent a diagnostic challenge. ...
A case of a patient with an irregular pigmented lesion of the lower eyelid margin simulating maligna...
Objectivo: Relato das dificuldades diagnósticas e de decisão terapêutica, bem como da abordagem cirú...
Objective: to present a case of a child who was subjected to sentinel lymph node biopsy for cutaneou...
Melanoma is a malignant neoplasm of melanocytes which produce melanin, responsible for skin pigmenta...
A case of primary malignant melanoma on the upper alveolar ridge is reported in a thirsty six year o...
Los tumores del sistema melanocítico pueden ser benignos y malignos. Los benignos son extraordinaria...
Epithelioma of the conjunctiva, malignant melanoma of the choroid and retinoblastoma are not infrequ...
Orientador : Profª. Dra. Betina WernerMonografia (especialização) - Universidade Federal do Paraná. ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...
Introduction: Malignant melanoma may present a great variety of histopathological patterns. Besides ...