Results 21 to 30 of about 12,013 (184)

Extraskeletal Ewing's sarcoma/peripheral primitive neuroectodermal tumor of the small bowel presenting with gastrointestinal perforation. [PDF]

Clin Exp Gastroenterol, 2019
Extraskeletal Ewing’s sarcoma (E-EWS)/peripheral primitive neuroectodermal tumor (pPNET) is a rare soft tissue tumor that arises from a multipotent progenitor cell and is considered to be of neuroectodermal origin.
Yagnik VD, Dawka S.
europepmc   +2 more sources

Peripheral Primitive Neuroectodermal Tumor [PDF]

Definitions, 2020
Primitive neuroectodermal tumor (PNET) is a family of small round cell malignancies originating from primitive neuroectodermal (hence the name) cells including the following entities: peripheral primitive neuroectodermal tumor (peripheral PNET, pPNET), central PNET (or PNET of the central nervous system, cPNET; in the past it included medulloblastoma),
semanticscholar   +4 more sources

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

Paravaginal peripheral primitive neuroectodermal tumor: A rare tumor

Indian Journal of Medical and Paediatric Oncology, 2011
Peripheral primitive neuroectodermal tumor (PNET) of the female genital tract, particularly those in the vaginal and paravaginal region, are extremely rare.
Samrat Dutta, Chandan Dasgupta, Kakoli Choudhury   +2 more
doaj   +3 more sources

Peripheral primitive neuroectodermal tumor associated with paraneoplastic Cushing's syndrome: The rare case. [PDF]

Ann Med Surg (Lond), 2019
Introduction Primitive neuroectodermal tumors (PNET) form a group of tumors defined by their appearance that are thought to develop from primitive (undifferentiated) nerve cells in the brain.
Rahbar M, Rahbar M, Bahoush G.
europepmc   +2 more sources

Primary ovarian peripheral primitive neuroectodermal tumor presented with breast metastasis; Case report [PDF]

Rare Tumors
Ewing sarcoma family tumors (ESFT) pose diagnostic challenges, which largely depend on the primary site of involvement and tumor stage. Despite advancements in treatment, metastatic ESFTs remain associated with poor outcomes.
Razan Rabi, Majd Hamed Allah, Yusuf Dawabsheh   +2 more
doaj   +2 more sources

Nasal peripheral primitive neuroectodermal tumor in a heifer: case report

Semina: Ciências Agrárias, 2018
This report described the clinical signs, pathological and immunohistochemical findings associated with a peripheral primitive neuroectodermal tumor (pPNET) in the nasal cavity of a heifer.
Fernando Froner Argenta, Márcia Elisa Hammerschmitt, Matheus de Oliveira Reis, Raquel Aparecida Sales da Cruz, Cíntia De Lorenzo, Luciana Sonne, David Driemeier, Saulo Petinatti Pavarini   +7 more
doaj   +4 more sources

Primary intracranial dural-based Ewing sarcoma/peripheral primitive neuroectodermal tumor mimicking a meningioma: A rare tumor with review of literature.

Asian J Neurosurg, 2017
Ewing sarcoma/peripheral primitive neuroectodermal tumor (ES/pPNET) is a malignant small, round cell tumor arising from bone and soft tissue in children and young adults. It can occur at osseous and extraosseous sites.
Kumar V, Singh A, Sharma V, Kumar M.
europepmc   +2 more sources

Primary peripheral primitive neuroectodermal tumor of the mandible.

Ann Maxillofac Surg, 2013
Primitive neuroectodermal tumor (PNET) is a broad term that includes a wide array of lesions with varying differentiating potential affecting both the central and peripheral nervous system. Peripheral PNET (pPNET), a variant of PNET, is known to arise in many places throughout the body; involvement of the mandible is however rare.
Krishnamurthy A, Ramshankar V, Majhi U, George R.   +3 more
europepmc   +4 more sources

Peripheral primitive neuroectodermal tumor of the cervical spine.

Surg Neurol Int, 2012
Primitive neuroectodermal tumor (PNET) is a malignant neoplasm that generally arises from bone and soft tissues, with predilection for young adults. This neural crest origin tumors share biologic and histologic features with Ewing's sarcoma (ES).We present a case of a 22-year-old woman with history of severe progressive neck pain, without radiation ...
Cabral GA, Nunes CF, Melo JO, Guimarães RD, Gonçalves MB, Rodrigues RS, Correa JL, Teixeira OM, Klescoski J, Lapenta MA, Landeiro JA.   +10 more
europepmc   +4 more sources