CHOROID PLEXUS PAPILLOMAS
\kˈɔːɹɔ͡ɪd plˈɛksəs pˌapɪlˈə͡ʊməz], \kˈɔːɹɔɪd plˈɛksəs pˌapɪlˈəʊməz], \k_ˈɔː_ɹ_ɔɪ_d p_l_ˈɛ_k_s_ə_s p_ˌa_p_ɪ_l_ˈəʊ_m_ə_z]\
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A usually benign neoplasm that arises from the cuboidal epithelium of the choroid plexus and takes the form of an enlarged CHOROID PLEXUS, which may be associated with oversecretion of CSF. The tumor usually presents in the first decade of life with signs of increased intracranial pressure including HEADACHES; ATAXIA; DIPLOPIA; and alterations of mental status. In children it is most common in the lateral ventricles and in adults it tends to arise in the fourth ventricle. Malignant transformation to choroid plexus carcinomas may rarely occur. (Adams et al., Principles of Neurology, 6th ed, p667; DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2072)
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