Results 21 to 30 of about 759,851 (204)

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

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

Uterine Primitive Neuroectodermal Tumor [PDF]

Cureus, 2021
Uterine primitive neuroectodermal tumors (PNETs) are rare entities, with only around 70 cases published in the literature. Most of them are diagnosed in advanced stages with rapid progression and poor prognosis. Herein, we present a case of a 71-year-old patient with postmenopausal metrorrhagia and an ultrasound finding of endometrial thickening.
Benitez Delgado, Taysa, Laseca-Modrego, Maria, Gonzalez Garcia-Cano, Daniel, Rave Ramirez, Andres, Arencibia-Sánchez, Octavio   +4 more
openaire   +2 more sources

A Rare Instance of Adult Medulloblastoma Presenting Imaging Heterogeneity Correlating With Molecular Subtypes and Anatomical Locations. [PDF]

Clin Case Rep
ABSTRACT We report an adult medulloblastoma presenting as two imaging‐distinct lesions: a uniformly enhancing torcular mass (WNT‐activated) and a non‐enhancing cerebellar tumor (SHH‐activated). A cohort analysis confirmed torcular location favors uniform enhancement, mimicking meningioma.
Wang Z, Guan C, Zhang J, Wu J, Chen Y, Feng Y, Cui Z, Shen C, Guo P.   +8 more
europepmc   +2 more sources

A 9-year-old boy with a posterior fossa tumor. [PDF]

Brain Pathol
Brain Pathology, EarlyView.
Arienzo F, Barresi S, Genovese S, Tancredi C, Luna BHE, Cacchione A, D'Orazio C, Diomedi-Camassei F, Colafati GS, Carai A, Miele E, Mastronuzzi A, Alaggio R, Alesi V, Rossi S.   +14 more
europepmc   +2 more sources

Primitive Neuroectodermal Tumors of the Kidney [PDF]

Baylor University Medical Center Proceedings, 2017
Ewing's sarcoma/primitive neuroectodermal tumor (ES/PNET) rarely occurs as a primary renal tumor. The disease affects young adults and children and has an aggressive course. The clinical presentation and imaging of these tumors are nonspecific, and they often present at an advanced stage.
Geetha, Narayanan, Varun, Rajan, T R, Preethi   +2 more
openaire   +2 more sources

Primitive neuroectodermal tumor of the pancreas

Baylor University Medical Center Proceedings, 2020
Primitive neuroectodermal tumors (PNETs) are rare small round cell malignancies closely related to Ewing's sarcoma. Involvement of the abdominal cavity, specifically the pancreas, is extremely rare. PNETs affect predominantly children and young adults.
Ted George Achufusi, Raman Sohal, Ernesto Zamora, Prateek Harne, Ronald Russo   +4 more
openaire   +3 more sources

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

Primitive Neuroectodermal Tumor of the Testis

Journal of the College of Physicians and Surgeons Pakistan, 2021
A 21-year male presenting with left testicular mass and retroperitoneal lymphadenopathy underwent radical orchiectomy; and his pathological examination showed a mixed germ cell tumor composed of primitive neuroectodermal tumor mixed with mature teratoma.
DEMİR, Tarık, ALİYEV, Altay, ŞEKER, Mesut, ERSÖZ, CEVPER, ÇOBAN, GANİME, TÜRK, HACI MEHMET   +5 more
openaire   +4 more sources