نتایج جستجو برای: melanosis
تعداد نتایج: 875 فیلتر نتایج به سال:
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Abstract Background Bladder melanosis is rare. It has previously been described only in the fifth decade of life or beyond; it not childhood. Previous descriptions have generally case reports, and so natural history poorly understood. Urinary symptoms present at time cystoscopy frequently attributed to bladder melanosis. A possible suggested aetiology aberrant migration melanocyte during embryo...
PURPOSE To evaluate clinical features and risks for transformation of conjunctival primary acquired melanosis (PAM) into melanoma. METHODS Retrospective chart review and Kaplan-Meier estimates of times to PAM enlargement, recurrence, and transformation into melanoma. MAIN OUTCOME MEASURES PAM enlargement, recurrence, and transformation into melanoma. RESULTS The mean patient age at diagno...
PURPOSE To describe the MR findings of neurocutaneous melanosis in the brain and correlate these with the known pathology and proposed embryologic basis of this disorder. METHODS The brain (seven patients) and spine (three patients) MR scans of seven patients with neurocutaneous melanosis were retrospectively reviewed. In two patients, findings were confirmed at surgery. The pattern of centra...
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