Results 61 to 70 of about 7,674 (209)

Heterogeneity of extraparenchymal primitive neuroectodermal tumors within the craniospinal axis.

Folia Histochemica et Cytobiologica, 2005
Four cases of primitive neuroectodermal tumors (PNETs) with unusual localization (three intraspinal extramedullary and one pontocerebellar) are reviewed. Histologically, they were small round blue cell tumors with diverse patterns. Immunohistochemically,
M Debiec-Rychter, D Gasecki, A Woźniak, E Drozyńska, J Stefanowicz, K Plata-Nazar, W Kloc, E Izycka-Swieszewska   +7 more
doaj   +1 more source

Primary Ewing sarcoma/peripheral primitive neuroectodermal tumors in the cranial bone and mobile spine: what is the difference?

BMC Surgery, 2022
Background Primary Ewing sarcoma (ES)/peripheral primitive neuroectodermal tumors (pPNETs) are aggressive bone tumors that rarely occur in the axial skeleton, including the cranial bone and mobile spine.
Jun Chen, Shi-Zhou Wu, Jie Tan, Qing-Yi Zhang, Bo-Quan Qin, Yu Wang, Hui Zhang   +6 more
doaj   +1 more source

Haplótipos de diferentes SNPs no interior do gene EWS em indivíduos afetados e não-afetados pelo sarcoma de Ewing [PDF]

, 2012
Ewing’s sarcoma was first described by James Ewing in 1921 and it is the second most common bone tumor in children and young adults. Both chromosomal breakage and translocation occur in this sarcoma.
Silva, Déborah Soares Bispo Santos
core  

Fine-Needle Aspiration Cytology of Ewing’s Sarcoma of Thoracic Spine with Extension into the Intradural Space

Case Reports in Oncological Medicine, 2014
Ewing’s sarcoma/peripheral primitive neuroectodermal tumor is a small, round, and blue cell malignancy that occurs most often in bone and soft tissues of children and young adults.
Sandhya Bordia, Sweta Meena, Bijendar Kumar Meena, Vijay Rajak   +3 more
doaj   +1 more source

Multimodality treatment approach in management of primary peripheral primitive neuroectodermal tumor of the orbit

Indian Journal of Ophthalmology, 2009
Primitive neuroectodermal tumor is a small round cell malignancy which rarely involves the orbit. We report a case of a two-year old male child presenting as unilateral eccentric proptosis with extraconal and intraconal mass, diagnosed as primary ...
Kim Usha, Arora Vipul, Devanand J, Khazei Hadi   +3 more
doaj  

Targeting VEGF-VEGFR Pathway by Sunitinib in Peripheral Primitive Neuroectodermal Tumor, Paraganglioma and Epithelioid Hemangioendothelioma: Three Case Reports

Case Reports in Oncology, 2013
Sunitinib malate (Sutent™; Pfizer Inc., New York, N.Y., USA) is a small molecule kinase inhibitor with activity against a number of tyrosine kinase receptors, including vascular endothelial growth factor receptors, stem-cell factor receptor, and platelet-
Tiziana Prochilo, Giordano Savelli, Paola Bertocchi, Chiara Abeni, Luigina Rota, Anna Rizzi, Alberto Zaniboni   +6 more
doaj   +1 more source

Mutations in the RB1 Gene in Argentine Retinoblastoma Patients and Uncommon Clinical Presentations [PDF]

, 2015
Background: Retinoblastoma, the most common ocular cancer of childhood, is caused by inactivation of the RB1 tumor suppressor gene in the developing retina.
Alonso, Cristina, Ferrer, Marcela Maria, Giliberto, Florencia, Luce, Leonela Natalia, Ottaviani, Daniela, Parma, Diana Lidia, Szijan, Irena   +6 more
core   +1 more source

Primary pulmonary Ewing sarcoma/peripheral primitive neuroectodermal tumor

Baylor University Medical Center Proceedings, 2020
Ewing sarcoma/peripheral primitive neuroectodermal tumor (ES/pPNET) is a malignant small round cell sarcoma commonly occurring among children, adolescents, and adults. We report a rare case of ES/pPNET arising from the lung in a 49-year-old woman. She was found to have a mass in the right lung on a screening imaging study for her BRCA2 mutation.
Aaron J. Sohn, Benjamin Lang, Michael McCarroll, Atin Agarwal   +3 more
openaire   +3 more sources

From Ataxia to Diagnosis of Askin Tumor – a Case Report

Acta Medica, 2018
Peripheral primitive neuroectodermal tumors (pPNET) are a group of extremely rare, aggressive, malignant tumors that are most often found in the thorax (Askin tumor), abdomen, pelvis, extremities and less frequently in the head and neck.
Marko Bašković, Božidar Župančić, Mirko Žganjer, Igor Nikolić, Davor Ježek, Lucija Čizmić   +5 more
doaj   +1 more source

Primary intracranial peripheral primitive neuroectodermal tumor in an adult patient with aphasia: A rare case report

Clinical Case Reports, 2022
Primary intracranial peripheral primitive neuroectodermal tumors (pPNETs) are extremely rare malignancies that commonly affect children and adolescents. Only 10 cases over the age of 33 have been reported.
Kazem Ghaemi, Mahdieh Rajabi‐Moghaddam, Hamid Abbaszadeh   +2 more
doaj   +1 more source