Results 21 to 30 of about 750,394 (155)

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

Extraneural Supratentorial Primitive Neuroectodermal Tumor Metastasis: An Adult Case Report

Indian Journal of Neurosurgery, 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 ...
Nidhal Matar, Kamel Bahri, Jallel Kallel, Adnene Boubaker, Hafedh Jemel   +4 more
doaj   +2 more sources

Primitive neuroectodermal tumors: Two genitourinary afflictions with varied presentations

Indian Journal of Urology, 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.
Sony Bhaskar Mehta, Hariharan Krishnamoorthy, Biju S Pillai   +2 more
doaj   +2 more sources

Case Series of Intracranial Central Primitive Neuroectodermal Tumor in Two Adults Treated With Craniospinal Irradiation

Clinical Case Reports
Ewing sarcoma and primitive neuroectodermal tumors share histological and genetic characteristics, yet differ in management, with EWSR1 rearrangement being the key distinguishing factor.
Shubham Dokania, Sambit S. Nanda, Ipsita Dhal, Ajay K. Choubey, Ninad H. Patil, Jhansi Pattanaik, Pritam Mondal, Ashutosh Mukherji   +7 more
doaj   +2 more sources

Temporally Regulated Neural Crest Transcription Factors Distinguish Neuroectodermal Tumors of Varying Malignancy and Differentiation

Neoplasia: An International Journal for Oncology Research, 2005
Neuroectodermal tumor cells, like neural crest (NC) cells, are pluripotent, proliferative, and migratory. We tested the hypothesis that genetic programs essential to NC development are activated in neuroectodermal tumors.
Timothy R. Gershon, Orit Oppenheimer, Steven S. Chin, William L. Gerald   +3 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

Renal Primitive Neuroectodermal Tumors [PDF]

Archives of Pathology & Laboratory Medicine, 2012
Primitive neuroectodermal tumors exist as a part of the Ewing sarcoma/primitive neuroectodermal tumor family. These tumors most commonly arise in the chest wall and paraspinal regions; cases with a renal origin are rare entities, but have become increasingly reported in recent years. Although such cases occur across a wide age distribution, the average
Tanner, Bartholow, Anil, Parwani
openaire   +2 more sources

Cytological diagnosis of extraskeletal Ewing's sarcoma

Medical Journal of Dr. D.Y. Patil Vidyapeeth, 2021
Extraskeletal Ewing's sarcoma (ES) is an aggressive, malignant small round-cell tumor usually occurring in children and adolescents. It needs to be differentiated from other malignant small round-cell tumors.
Ashwini Amrutwar, Sunil Yogiraj Swami
doaj   +1 more source

Retrobulbar embryonal tumor with multilayered rosettes in a golden retriever dog

Clinical Case Reports, 2021
Although rare, embryonal tumors (previously called primitive neuroectodermal tumors) should be considered in the differential diagnosis of retrobulbar tumors in dogs regardless of the age of the patient, and ancillary tests are required for definitive ...
Bianca C. Martins, Jason Struthers, Jeffrey R. Abbott, Caryn E. Plummer   +3 more
doaj   +1 more source

Renal Primitive Neuroectodermal Tumor [PDF]

, 2017
Renal primitive neuroectodermal tumor (PNET) is a rare entity and highly malignant neoplasm. It generally occurs in young adults and children. We report a case of 19-year-old female with the complaint of left flank pain. Ultrasonography showed a tumor of
Hüseyin Çelik, İbrahim Dursun, Dursun, Ibrahim, İsmail Okan Yıldırım, Celik, Huseyin, Ahmet Camtosun, Nusret Akpolat, Camtosun, Ahmet, Akpolat, Nusret, Yildirim, Ismail Okan   +9 more
core   +1 more source