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Spitz NevusSpitz Nevus. Physicians have known for almost a century that some childhood lesions histologically diagnosed as melanomas did not show malignant behavior.
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Nevi of Ota and ItoNevi of Ota and Ito. Nevus of Ota, which originally was described by Ota and Tanino in 1939, is a hamartoma of dermal melanocytes.
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Oral NeviOral Nevi. Nevi are benign proliferations of nevus cells located either entirely within the epithelium, in both the epithelium and underlying stroma, or in ...
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Head and Neck Cutaneous Squamous Cell CarcinomaHead and Neck Cutaneous Squamous Cell Carcinoma. Cutaneous squamous cell carcinoma (SCC) is the second most common form of nonmelanoma skin cancer (basal ...
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Epidermal Nevus SyndromeEpidermal Nevus Syndrome. Epidermal nevi (EN) are congenital hamartomas of embryonal ectodermal origin classified on the basis of their main component; the ...
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Sex Cord Stromal Ovary Tumor Pathology... Sex cord-stromal tumors are groups of tumors composed of granulosa cells, theca cells, Sertoli cells, Leydig cells, and fibroblasts of stromal ...
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Hamartoma... ) is a benign (noncancerous) tumorlike malformation made up of an abnormal mixture of cells and tissues found in areas of the body where growth occurs.
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Iris MelanomaIris Melanoma. Iris nevi and melanomas are the most common primary tumors of the iris, with an incidence ranging from 50-70% of all iris tumors; of these, ...
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Trichoepithelioma...the gene for the basal cell nevus syndrome) are in this region...fibrous stroma. This arrangement of epithelial cells and stroma is ...
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Cystic Diseases of the Kidney...medullary sponge kidney (MSK) Malignancy -Cystic renal cell carcinoma (RCC) The most common larger cysts...TS): Clinical features of TS include facial ...