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Acquired Melanocytic Nevi clinical trials

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NCT ID: NCT00288938 Completed - Melanocytic Nevi Clinical Trials

Natural History Study of Moles and Suspicious Melanoma

Start date: February 3, 2006
Phase: N/A
Study type: Observational

Background: - Melanocytic nevi, or "moles," are non-cancerous growths of a type of skin cell called a melanocyte. - Large congenital melanocytic nevi (LCMN) are a special type of mole that begins to grow before birth and is larger than moles that develop after birth. - Determining how melanocytes in moles and LCMNs differ from normal melanocytes may increase the ability to predict whether a mole will give rise to a melanoma (a type of skin cancer) Objectives: - To understand how melanomas develop, by studying moles, LCMNs, and pigmented skin lesions that are suspicious for melanoma - To develop better criteria for diagnosing melanoma, particularly by using a device called a digital dermatoscope (a special camera, connected to a computer, that takes pictures of moles when they are magnified and illuminated) Eligibility: - Children 5 years old or older with an LCMN - Adults 18 years old or older with 100 or more moles larger than 2 mm in diameter and at least one 4 mm or more - Adults 18 years old or older with a pigmented lesion suspicious for melanoma Design: - Patients' personal and family health history is obtained. - Patients are examined by investigative team doctors, and several lesions are examined with a dermatoscope. - Additional photographs of part or all of the skin surface may be taken. - Some lesions may be biopsied. - Additional tests or examinations may be recommended. - Patients are followed periodically for skin or physical examinations, photography, laboratory and imaging evaluations, and possible skin biopsies. - Children may undergo brain magnetic resonance imaging (MRI)