Results 131 to 140 of about 222,552 (156)
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Imaging of atypical choroid plexus papillomas
Clinical Imaging, 1996The authors report a rare case of benign choroid plexus papilloma arising in the cerebellopontine angle (CPA) in a 34-year-old man. Atypical features are described. This is the fourth case of MR evaluation of such tumor in available literature and the second case in the United States. Differential diagnosis is discussed. Choroid plexus papilloma should
S, Li, E R, Savolaine
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Not So Benign: A Rare Atypical Ectopic Choroid Plexus Papilloma
Journal of Ophthalmology and Visual Sciences, 2021Choroid Plexus Papillomas (CPPs) are rare neoplasms (0.4-0.6 % of all brain tumors) arising from cuboidal epithelial cells of the choroid plexus. Atypical choroid plexus papillomas are even more rare and characterized by aggressive features of increased mitotic activity and frequent metastases even at diagnosis.
R, Patel +3 more
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Isolated lumbar atypical choroid plexus papilloma: a case report
Turkish Neurosurgery, 2021To report the first case of an isolated lumbar grade II atypical choroid plexus papilloma (CPP).A 42-year-old man was admitted to the hospital because of back and leg pain. No urinary or rectal dysfunction was detected. Lumbar magnetic resonance imaging (MRI) showed a well-circumscribed, contrast-enhancing, intradural extramedullary mass at L2-3.
Mustafa Cemil, Kilinc, Melih, Bozkurt
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Microsurgical treatment of atypical choroid plexus papilloma in the fourth ventricle
Acta Neurologica Belgica, 2015Ermeng Ma +4 more
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Atypical choroid plexus papilloma: clinicopathological and neuroradiological features
Acta Radiologica, 2017Background Atypical choroid plexus papilloma (APP) is a rare, newly introduced entity with intermediate characteristics. To date, few reports have revealed the magnetic resonance (MR) findings. Purpose To analyze the ...
Yu-Zhen, Shi +10 more
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Paediatric atypical choroid plexus papilloma: is adjuvant therapy necessary?
Journal of Neuro-Oncology, 2021Choroid Plexus Tumours (CPTs) account for 1-4% of all brain tumours in children. Atypical choroid plexus papillomas (aCPPs) are a subset of these tumours, defined over a decade ago, yet no consensus exists on the optimal approach to their management.We conducted a retrospective analysis of all patients treated for CPTs at the Hospital for Sick Children
Chantelle Browne-Farmer +11 more
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Infratentorial atypical choroid plexus papilloma in an adult: A case report and literature review
Indian Journal of Cancer, 2023Atypical choroid plexus papilloma is classified as WHO (World Health Organization) Grade II subtype of choroid plexus tumor, and it has intermediate pathological features, prognosis, and clinical outcome rates between choroid plexus papilloma and choroid plexus carcinoma.
Ritu R. Menon +4 more
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Journal of Pediatric Hematology/Oncology, 2022
An underestimation of pathologic diagnosis could be expected if disseminated choroid plexus tumors (CPTs) are diagnosed as lower grade tumors. Thus, molecular diagnosis using genome-wide DNA methylation profiling may be useful for clarifying the malignant potential of the tumor entity.
Masato, Yanagi +11 more
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An underestimation of pathologic diagnosis could be expected if disseminated choroid plexus tumors (CPTs) are diagnosed as lower grade tumors. Thus, molecular diagnosis using genome-wide DNA methylation profiling may be useful for clarifying the malignant potential of the tumor entity.
Masato, Yanagi +11 more
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Atypical choroid plexus papilloma
2018Clinical History: A teenage patient presented with a history of 2 years of symptoms characterized by a frontal headache accompanied by night awakenings. However, paresthesias began on the left side of the head during the last week. Then, she started with an acute central f...
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Child's Nervous System, 2015
We performed a retrospective study on clinical assessment, tumor location, radiological imaging, histopathological characteristics, and therapeutic management of 7 patients affected by choroid plexus carcinoma (CPC) or atypical choroid plexus papilloma (ACPP) who have been observed in the last 12 years.Four patients fulfilled the criteria for ...
Passariello, Annalisa +6 more
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We performed a retrospective study on clinical assessment, tumor location, radiological imaging, histopathological characteristics, and therapeutic management of 7 patients affected by choroid plexus carcinoma (CPC) or atypical choroid plexus papilloma (ACPP) who have been observed in the last 12 years.Four patients fulfilled the criteria for ...
Passariello, Annalisa +6 more
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