Results 11 to 20 of about 1,423,901 (214)

A rare case of a peripheral Ewing sarcoma primitive neuroectodermal tumor of pelvic origin

Radiology Case Reports, 2023
Primitive neuroectodermal tumors (PNET) represent malignant neuroectodermal tumors composed of small round cells. They can be differentiated between originating from the peripheral nervous system or the central nervous system. Peripheral PNET (pPNET) can
Erinie Mekheal, MD, Brooke Kania, DO, Unnati Vishwakarma, MD, Derrick Joseph, MD, Vinod Kumar, MD, Michael Maroules, MD   +5 more
doaj   +2 more sources

Peripheral primitive neuroectodermal tumor: a case report

Journal of Medical Case Reports, 2022
Background Primitive neuroectodermal tumors are extremely rare and highly aggressive malignant small round cell tumors that arise from the primitive nerve cells of the nervous system or outside it.
Alije Keka-Sylaj, Atifete Ramosaj, Arbana Baloku, Leonore Zogaj, Flamur Mushica, Fisnik Kurshumliu   +5 more
doaj   +3 more sources

Congenital Ewing's Sarcoma/Peripheral Primitive Neuroectodermal Tumor: A Case Report and Review of the Literature

Pediatrics and Neonatology, 2016
Ewing's sarcoma (EWS) and peripheral primitive neuroectodermal tumor (pPNET) are small round cell malignancies that develop in soft tissue and bone. They very rarely affect newborns.
Shu-Guang Jin, Xiao-Ping Jiang, Lin Zhong   +2 more
doaj   +2 more sources

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   +1 more source

Primitive neuroectodermal tumor of the cervix: a case report [PDF]

Journal of Medical Case Reports, 2011
Introduction Peripheral primitive neuroectodermal tumor of the cervix uteri is extremely rare. Between 1987 and 2010, there were only nine cases reported in the English literature, with considerably different management policies.
Boroujeni Parisa, Rezvani Hamidreza, Farzaneh Farah, Rahimi Farzaneh   +3 more
doaj   +3 more sources

Bilateral Ewing Sarcoma/Primitive Neuroectodermal Tumor of the Breast: A Very Rare Entity and Review of the Literature [PDF]

Case Reports in Oncological Medicine, 2013
Peripheral primitive neuroectodermal tumors (PNET) are rare malignant tumors, affecting mostly children and adolescents and have been described in breast in eight case reports only.
N. Majid, M. Amrani, I. Ghissassi, M. El Cadi, M. El Bouzidi, M. El Kabous, A. Kherbach, H. Errihani   +7 more
doaj   +2 more sources

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

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   +2 more sources

A case of primary mediastinal Ewing′s sarcoma /primitive neuroectodermal tumor presenting with initial compression of superior vena cava

Annals of Thoracic Medicine, 2013
Ewing′s sarcomas and peripheral primitive neuroectodermal tumors (ES/PNETs) are high grade malignant neoplasms. These malignancies are characterized by a chromosome 22 rearrangement, arise from bone or soft tissue, predominantly affect children and young
Alessia Reali, Gianluca Mortellaro, Simona Allis, Edoardo Trevisiol, Silvia Maria Anglesio, Sara Bartoncini, Maria Grazia Ruo Redda   +6 more
doaj   +2 more sources

Peripheral primitive neuroectodermal tumor of the pelvis.

Iranian journal of medical sciences, 2014
The primitive neuroectodermal tumor (PNET) belongs to a group of highly malignant tumors and is composed of small round cells of a neuroectodermal origin. Categorized in the same tumor family as Ewing sarcoma, the PNET is most likely to occur in bones and soft tissues.
Zohreh Yousefi, Nourieh Sharifhi, Malihe Hasanzadeh, Mansoureh Mottaghi, Somayeh Bolandy   +4 more
openaire   +3 more sources

Case Series of Intracranial Central Primitive Neuroectodermal Tumor in Two Adults Treated With Craniospinal Irradiation. [PDF]

Clin Case Rep
ABSTRACT Ewing sarcoma and primitive neuroectodermal tumors share histological and genetic characteristics, yet differ in management, with EWSR1 rearrangement being the key distinguishing factor. Such intracranial tumors lacking this rearrangement are rare in adults.
Dokania S, Nanda SS, Dhal I, Choubey AK, Patil NH, Pattanaik J, Mondal P, Mukherji A.   +7 more
europepmc   +2 more sources