Results 81 to 90 of about 759,851 (204)

FNA diagnosis of CD99 positive neuroblastoma: A diagnostic dilemma

Journal of Cytology, 2012
Tissue diagnosis of small round cell tumors relies heavily on immunohistochemical staining. Two of the small round cell tumors, namely neuroblastoma and primitive neuroectodermal tumor, have considerable morphologic overlap.
Gagandeep Kaur, Pooja Bakshi, Kusum Verma   +2 more
doaj   +1 more source

Supratentorial primary neuroectodermal tumor (PNET) inside the third ventricle in adult: an rare case report

Brazilian Neurosurgery, 2013
The PNET of CNS are considered malignant undifferentiated tumors, and it represents about 2,8% of all tumors found on infants and teenagers, more rarely found on adults.
Tiago de Paiva Cavalcante, Siegfried Pimenta Kuehnitzsch, George Santos dos Passos, José Eduardo Souza Dias Júnior, Tobias Engel Ayer Botrel, Emerson Oliveira Barbosa   +5 more
doaj   +1 more source

Ewing Sarcoma of the Kidney: A Rare Entity

Case Reports in Radiology, 2014
Ewing sarcoma and primitive peripheral neuroectodermal tumor (PNET) are high-grade malignant tumors typically found in children and adolescents. These tumors belong to the family of small round cell tumors and are of neuroectodermal origin. Primary Ewing
Maria Fernanda Arruda Almeida, Madhavi Patnana, Brinda Rao Korivi, Neda Kalhor, Leonardo Marcal   +4 more
doaj   +1 more source

A rare case of primary Ewing's sarcoma presenting in the posterior nasal cavity with extension into the sphenoid sinus and a review of the literature

Otolaryngology Case Reports, 2018
Ewing's sarcomas/primitive neuroectodermal tumors (PNET) are a group of tumors characterized by small round cells that rarely affect the bone and soft tissues of the nasal cavities.
Koorosh Rahmani, Shokouh Taghipour zahir, Mohammad Baghi Yazdi, Mohammad-hossein Vahedian-Ardakani, Maryam Vajihinejad   +4 more
doaj   +1 more source

Long term outcome of adolescent and adult patients with pineal parenchymal tumors treated with fractionated radiotherapy between 1982 and 2003 - a single institution's experience [PDF]

, 2010
Background: To evaluate the effectivity of fractionated radiotherapy in adolescent and adult patients with pineal parenchymal tumors (PPT). Methods: Between 1982 and 2003, 14 patients with PPTs were treated with fractionated radiotherapy.
Schulz-Ertner Daniela, Stoiber Eva, Herfarth, Klaus, Klaus Herfarth, Schaible, Benjamin, Debus Jürgen, Daniela Schulz-Ertner, Peter E Huber, Stoiber, Eva Maria, Huber, Peter E., Jürgen Debus, Herfarth Klaus, Susanne Oertel, Schaible Benjamin, Eva Stoiber, Eva Maria Stoiber, Debus, Jürgen, Oertel Susanne, Oertel, Susanne, Benjamin Schaible, Schulz-Ertner, Daniela, Huber Peter E   +21 more
core   +1 more source

Malignant peripheral primitive neuroectodermal (pPNET) of tongue

, 2007
Primitive neuroectodermal tumors (PNETs) are relatively rare tumors. Tumors that once would have been diagnosed as Ewing's sarcoma are now often designated as peripheral neuroepithelioma or synonymously PNET.
Aksu, Gorkem, Ulutin, Cuneyt, ÇETİNAYAK, HASAN OĞUZ, Fayda, Merdan, Ataergin, Selmin, Beyzadeoglu, Murat, Cetinayak, Oguz   +6 more
core   +2 more sources

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  

A Primary Primitive Neuroectodermal Tumor of the Central Nervous System in a 51-year-old Woman: a Case Report and Literature Review

, 2011
Primitive neuroectodermal tumors are a group of rare, aggressive, and highly malignant embryonal tumors of unknown etiology of the central and peripheral nervous systems.
Virginija Ašmonienė, Daina Skiriutė, Šarūnas Tamašauskas, Kęstutis Skauminas, Vytenis Deltuva, Arimantas Tamašauskas, Inga Gudinavičienė   +6 more
core   +1 more source

Heterogeneity of extraparenchymal primitive neuroectodermal tumors within the craniospinal axis. [PDF]

, 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,
Debiec-Rychter, M, W Kloc, Izycka-Swieszewska, E; Department of Pathology, Medical University, Gdansk, E Izycka-Swieszewska, Kloc, W, Woźniak, A, K Plata-Nazar, E Drozyńska, J Stefanowicz, D Gasecki, Plata-Nazar, K, Stefanowicz, J, Drozyńska, E, Gasecki, D, M Debiec-Rychter, A Woźniak   +15 more
core   +1 more source

Peripheral primitive neuroendocrine tumor of the chest wall—A case report with pathological correlation

Radiology Case Reports, 2018
Primitive neuroectodermal tumor is a high-grade malignant tumor originating from the neural crest and neuroectoderm, which can be subdivided into central and peripheral categories.
Jidi Gao, MD, Erika Chow, BA, Aishatu Aloma, MD, Payal Gupta, MD   +3 more
doaj   +1 more source