Results 41 to 50 of about 597,939 (174)

Papillomas And Carcinomas Of The Choroid Plexus: Histological And Immunohistochemical Studies And Comparison With Normal Fetal Choroid Plexus [PDF]

, 2015
Background: Choroid plexus tumors are rare. Results on immunohistochemical features are scanty and controversial even regarding normal plexus. Method: Thirteen cases of choroid plexus tumors and five samples of normal fetal choroid plexus were submitted ...
Vassallo J., Carvalho De Menezes Barreto A.S., De Souza Queiroz L.   +2 more
core   +2 more sources

Case Report: Detailed Clinical Course and Management Plan for Status Epilepticus Pediatric Patient with Resected Choroid Plexus Papilloma: A Case Report and a Single Center Experience [version 1; peer review: 2 approved]

F1000Research, 2022
Choroid plexus papilloma (CPP) is a benign but rare central nervous system (CNS) neoplasm of the choroid plexus. The onset of symptoms is usually in the first decade and may occur at birth (i.e., congenital). It accounts for 0.4–0.6% of all brain tumors.
Fahad Alotibi, Osama Muthaffar, Anas Alyazidi   +2 more
doaj   +1 more source

CHOROID PLEXUS CARCINOMA AND CHOROID PLEXUS PAPILLOMA; RARE CASES

Hematology, Transfusion and Cell Therapy
Case Report: Choroid plexus carcinoma (CPC) is a rare and aggressive intracranial neoplasm, constituting 1–4% of all brain tumors and approximately 40% of choroid plexus tumors.
Şule Çalışkan Kamış, Begül Yağcı, Barbaros Şahin Karagün   +2 more
doaj   +1 more source

Single-nucleus RNA-seq dissection of choroid plexus tumor cell heterogeneity

The EMBO Journal
The genomic, genetic and cellular events regulating the onset, growth and survival of rare, choroid plexus neoplasms remain poorly understood. Here, we examine the heterogeneity of human choroid plexus tumors by single-nucleus transcriptome analysis of ...
Anthony D Hill, Konstantin Okonechnikov, Marla K Herr, Christian Thomas, Supat Thongjuea, Martin Hasselblatt, Annarita Patrizi   +6 more
doaj   +1 more source

Choroid plexus carcinoma in an adolescent male: a case report

Journal of Medical Case Reports, 2021
Introduction/background Although central nervous system tumors are the most common etiology of malignancies in the pediatric age group, choroid plexus carcinomas are rare, with an annual incidence rate of 0.10 per 100,000 children.
Patel Zeeshan Jameel, Ashish Varma, Pooja Kumari, Keta Vagha, Jayant Vagha, Sachin Damke   +5 more
doaj   +1 more source

Malignant progression in choroid plexus papillomas

, 2007
Object. Malignant progression of choroid plexus papillomas has been occasionally reported, but this issue has not yet been systematically addressed. Methods.
Paulus, Werner, Wolff, Johannes E., Hasselblatt, Martin, Wrede, Brigitte, Jeibmann, Astrid, Peters, Ove   +5 more
core   +1 more source

Platelet-derived growth factor receptor expression and activation in choroid plexus tumors

, 2009
Choroid plexus tumors are intraventricular neoplasms predominantly affecting young children. In contrast to choroid plexus papillomas, choroid plexus carcinomas progress frequently, necessitating the development of adjuvant treatment concepts.
Koos, Björn, Söderberg, Ola,, Östman, Arne, Sanchez, Betzabe Chavez, Hasselblatt, Martin, Galla, Hans-Joachim, Jeibmann, Astrid, Peters, Ove, Wolff, Johannes E.A., Paulsson, Janna, Jarvius, Malin, Mertsch, Sonja, Wolff, Johannes E. A., Paulus, Werner, Kruse, Anne, Söderberg, Ola, Jarvius, Malin,, Wrede, Brigitte   +17 more
core   +1 more source

Immunohistochemical analysis of CDX2 expression in normal choroid plexus epithelium and choroid plexus tumors [PDF]

, 2009
Background: The Wnt and BMP signaling pathways are involved in the morphogenesis of both gastrointestinal and choroid plexus epithelium. In the intestine, Wnt signaling represses the expression of the tumor suppressor gene CDX2 via SOX9, a ...
Mugler, M., Beschorner, R., Meyermann, R., Schittenhelm, J., Mittelbronn, M.   +4 more
core  

Associations of prenatally detected choroid plexus cysts with biochemical risk for congenital disorders

, 2014
Introduction: C horoid plexus cysts are one of the foetus ultrasonography findings that raise parents’ concerns about their child’s health. Usually cysts are found in an estimated 1% all performed ultrasonographies.
Marius Sukys, Povilas Bardziliauskas, Danielius Serapinas   +2 more
core   +1 more source

Occurrence of Neuroblastoma among TP53 p.R337H Carriers. [PDF]

PLoS ONE, 2015
The high incidence of adrenocortical tumors and choroid plexus carcinoma in children from South and Southeastern regions of Brazil is associated with the germline p.R337H mutation of TP53 gene.
Ana Luiza Seidinger, Fernanda Paschoal Fortes, Maria José Mastellaro, Izilda Aparecida Cardinalli, Lilian Girotto Zambaldi, Simone Santos Aguiar, José Andrés Yunes   +6 more
doaj   +1 more source