Results 81 to 90 of about 12,013 (184)

Primitive neuroectodermal tumor of the pericardium: a case report and literature review

BMC Cardiovascular Disorders, 2021
Background The primitive neuroectodermal tumors (PNETs) are a family of highly malignant tumors with a multidirectional differential potential. The tumors are characterized by aggressive small round tumor cells that originate from the spinal cord of the ...
Jingjing Wang, Jing Li, Xiao Zhang, Xiaobo Zhang, Yueyong Xiao   +4 more
doaj   +1 more source

Pathology reporting of hepatoblastoma resections: recommendations from the international collaboration on cancer reporting

Histopathology, Volume 87, Issue 6, Page 802-814, December 2025.
This is the first international dataset for the reporting of hepatoblastoma resection specimens produced by the International Collaboration on Cancer Reporting (ICCR). The aim is to standardize pathology reports, facilitating international data comparisons and improving management of hepatoblastoma on a global level.
Dolores H López‐Terrada, Fleur Webster, Rita Alaggio, Jonathan W Bush, Soo‐Jin Cho, Ronald R de Krijger, Takeshi Inoue, Allison F O'Neill, Antonio R Perez‐Atayde, Sarangarajan Ranganathan, Jens Stahlschmidt, Yukichi Tanaka, Marta Cohen, Miguel Reyes‐Múgica   +13 more
wiley   +1 more source

From Ataxia to Diagnosis of Askin Tumor – a Case Report

Acta Medica, 2018
Peripheral primitive neuroectodermal tumors (pPNET) are a group of extremely rare, aggressive, malignant tumors that are most often found in the thorax (Askin tumor), abdomen, pelvis, extremities and less frequently in the head and neck.
Marko Bašković, Božidar Župančić, Mirko Žganjer, Igor Nikolić, Davor Ježek, Lucija Čizmić   +5 more
doaj   +1 more source

Building Immunocompetent Cerebral Organoids From a Developmental Perspective

Glia, Volume 73, Issue 11, Page 2154-2166, November 2025.
Main Points Conventional cerebral organoids do not contain microglia, which must be added. We propose recommendations to assess microglial immunocompetence using quantitative approaches and stringent statistical analysis to help develop standardized protocols.
Xabier Cuesta‐Puente, Marco Gonzalez‐Dominguez, Marta Pereira‐Iglesias, Nerea Perez‐Arriazu, Patricia Villegas‐Zafra, Paula Ramos‐Gonzalez, Fabio Cavaliere, Nora Bengoa‐Vergniory, Amanda Sierra   +8 more
wiley   +1 more source

Thyroblastoma in Pregnancy: Expanding the Cytomorphological Spectrum of a Novel DICER1 ‐Associated Entity, a Case Report and Literature Review

Diagnostic Cytopathology, Volume 53, Issue 10, Page E181-E189, October 2025.
ABSTRACT Introduction Thyroblastoma is a rare, aggressive thyroid neoplasm newly classified in the 2022 WHO Classification of Endocrine Tumors. It is characterized by embryonal, multilineage morphology and DICER1 mutations. Fewer than 15 well‐characterized cases have been reported, with limited cytological descriptions.
R. Razack, A. C. van Wyk, P. T. Schubert, D. Pelletier, W. D. Foulkes, C. Njovu, W. Conradie, F. Hoosain   +7 more
wiley   +1 more source

Primary primitive neuroectodermal tumor of the orbit

Indian Journal of Ophthalmology, 2009
Primitive neuroectodermal tumor (PNET) is a small round cell malignant tumor of neuroectodermal origin. Most of the PNETs occur in the central nervous system (CNS). PNETs recognized outside of CNS are diagnosed as peripheral PNET (pPNET).
Das Dipankar, Kuri Ganesh, Deka Panna, Bhattacharjee Kasturi, Bhattacharjee Harsha, Deka Akshay   +5 more
doaj  

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

Peripheral primitive neuroectodermal tumor of the mandible: a case report and literature review

口腔疾病防治, 2019
Objective To explore the clinical, imaging and pathological characteristics of mandibular peripheral primitive neuroectodermal tumors, and to review relevant literature to improve the understanding and diagnosis of pPNET in mandible. Methods The clinical
BUHAILIQIGULI Maimaitituersun, PATIGULI Wusiman, ADILI Moming   +2 more
doaj   +1 more source

Extraskeletal Ewing's Sarcoma/Primitive Neuroectodermal Tumor of the Breast in a Young Woman

Clinical Case Reports, Volume 13, Issue 9, September 2025.
ABSTRACT Extraskeletal Ewing's sarcoma/primitive neuroectodermal tumors (EES/PNET) of the breast are rare malignant soft‐tissue tumors associated with a high recurrence rate. We present the case of a 17‐year‐old female who presented with a lump in the left breast. Ultrasonography and mammography revealed a large, ill‐defined, hypoechoic, heterogeneous,
Shejuti Sharmin, Fahad Mohammad Sadat, Farzana Hafiz, Md. Mahabub Alam, Ishtiaq Ur Rahim, Marzia Afrin Reme, Nazirum Mubin   +6 more
wiley   +1 more source

A Peripheral Primitive Neuro-ectodermal Tumor (pPNET) of Larynx

Bengal Journal of Otolaryngology and Head Neck Surgery, 2018
Introduction Primitive neuroectodermal tumors (PNETs) are malignant tumors comprised of small round cells of neuro-ectodermal origin that affect soft tissue and bone.
Raman Wadhera, Usha Sehrawat, Sharad Hernot, Pawan Kumar Gahlawat, Aman Jakhar   +4 more
doaj