Results 111 to 120 of about 1,423,901 (214)

Primary Ewing’s sarcoma of the intestine: case report and literature review

Frontiers in Oncology
Ewing sarcoma (ES)/peripheral primitive neuroectodermal tumor is a highly aggressive malignant tumor that typically presents in bone and soft tissue. Primary ES of the intestine is relatively rare, which poses a challenge in distinguishing it from other ...
Baofa Luo, Wei Gao, Ting Li, Xinran Yu, Fei Guo   +4 more
doaj   +1 more source

Primitive neuroectodermal tumors of the central nervous system associated with genetic and metabolic defects

, 2012
Aim. To evaluate the genetic, congenital and metabolic disorders which were detected concurrently with primitive neuroectodermal tumors (PNET) of the central nervous system in ...
AKALAN, NEJAT, AKYÜZ, CANAN, BUYUKPAMUKCU, MÜNEVVER, YALÇIN, BİLGEHAN, VARAN, ALİ, KUTLUK, T., YAZICI, NERMİN   +6 more
core  

Primitive neuroectodermal tumors: Two genitourinary afflictions with varied presentations

, 2018
Primitive neuroectodermal tumor (PNET) is a rare disease with high malignant potential. It usually affects the skeletal system. Primary extraskeletal involvement of PNET is uncommon with few reported cases.
Hariharan Krishnamoorthy, Biju S Pillai, Sony Bhaskar Mehta   +2 more
core   +1 more source

Boost radiosurgery as a strategy after failure of initial management of pediatric primitive neuroectodermal tumors Clinical article

, 2009
The aim in this study was to determine the outcomes of boost stereotactic radiosurgery, specifically Gamma Knife surgery (GKS), for recurrent primitive neuroectodermal tumors (PNETs) in children in whom initial multimodality management had ...
Kondziolka, D., Lunsford, L.D., Flickinger, J.C., Martin, J.J., Niranjan, A., Kano, H., Flannery, Thomas, Douglas Kondziolka, John C. Flickinger, Hideyuki Kano, Ajay Niranjan, Thomas Flannery, Juan J. Martin, L. Dade Lunsford   +13 more
core   +1 more source

Walsh & Hoyt: Primitive Neuroectodermal Tumors

, 2005
Despite attempts to classify all primitive neuroectodermal tumors (PNETs) according to their presumed cell of origin, there remain tumors that, although neuroectodermal in character, are so poorly differentiated that their cell of origin is impossible to
Thomas R. Hedges III, MD
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Peripheral primitive neuroectodermal tumors in adults: documentation by molecular analysis.

, 1998
PURPOSE The Ewing tumor (ET) family of peripheral primitive neuroectodermal tumors (pPNETs) are primitive small round-cell tumors (SRCTs) of the bone and soft tissue that occur predominantly in children and adolescents.
T Bainbridge, M Ladanyi, J A Mathers, A Kawai, J H Healey, P H Sorensen, E R Lawlor, D E Horsman, A G Huvos, J A Bridge   +9 more
core   +1 more source

Primitive neuroectodermal tumor transformation of testicular teratoma

, 2018
Malignant transformation of teratoma develops in a small subset of testis cancer patients. Primitive neuroectodermal tumor represents a highly malignant component of testicular germ cell tumors.
Karatzas A., Papadopoulos V., Katsiouli V., Pisters L., Papandreou C., Tzortzis V.
core   +2 more sources

Adult supratentorial peripheral primitive neuroectodermal tumor with multiple metastases: a case report and literature review

Egyptian Journal of Neurosurgery
Background Intracranial primitive neuroectodermal tumors (PNETs) are characterized by poorly differentiated, highly malignant, aggressive small round tumor cells originating from the central and peripheral nervous systems. Case presentation A 25-year-old
Dejing Cheng, Siyuan Yang, Zhenyu Qi, Chengyuan Ji   +3 more
doaj   +1 more source

Extraneural Supratentorial Primitive Neuroectodermal Tumor Metastasis: An Adult Case Report

, 2017
Extraneural metastases of supratentorial primitive neuroectodermal tumors (PNET) are very rare and have been reported in only sporadic cases. We present a patient with supratentorial PNET metastasizing to the lung, diagnosed 4 months after cerebral ...
Adnene Boubaker, Kamel Bahri, Nidhal Matar, Hafedh Jemel, Jallel Kallel   +4 more
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A rare case of dumbbell-shaped primary intraspinal peripheral primitive neuroectodermal tumor involving thoracic spinal epidural space

, 2018
Primary intraspinal primitive neuroectodermal tumor (PNET) is a type of round cell malignant tumor which is reported only above 100 in literature. We report a case of epidural thoracic peripheral PNET, discuss its pathological features, radiology, and ...
Rajeev Rajashekharan, Anu Thomas
core   +1 more source