Results 41 to 50 of about 6,037 (191)

Peripheric primitive neuroectodermal tumor (Askin)

open access: yesN.N. Priorov Journal of Traumatology and Orthopedics, 2022
The case of preoperative diagnosis of peripheric primitive neuroectodermal tumor (pPNET) of the chest with damage of body sternum in 21-year-old patient is presented in Native literature for the first time. CT and echography data as well as serum tumor-markers level are given.
A. N. Makhson   +4 more
openaire   +1 more source

A case of congenital peripheral primitive neuroectodermal tumor presenting with multiple metastases

open access: yes, 2008
The report describes a case of a newborn with a huge congenital abdominal peripheral primitive neuroectodermal tumor, with peritoneal dissemination and cutaneous involvement, and discusses literature data. Peripheral primitive neuroectodermal tumor is an
P. Collini   +9 more
core   +1 more source

Peripheral primitive neuroectodermal tumor of the ovary with torsion

open access: yesGynecology and Minimally Invasive Therapy, 2013
Peripheral primitive neuroectodermal tumors (pPNETs) of the ovary are rare monophasic teratomas, and fewer than 100 cases have been reported in the literature. pPNETs mainly involve young women during their reproductive age, therefore, accurate diagnosis
Ben-Shian Huang   +6 more
doaj   +1 more source

Persistent Erythrocytosis in a Dog With a Spinal Sclerosing Paraganglioma

open access: yesVeterinary Clinical Pathology, EarlyView.
ABSTRACT A 7‐year‐old, male, castrated, mixed‐breed dog presented with right pelvic limb lameness and pain on posturing to defecate that began 1.5 years prior to presentation. Radiographs taken 8 months prior to presentation showed a small lytic lesion of the L6 vertebral body, and CBCs showed a persistently increased hematocrit (HCT) for at least 2 ...
Samuel V. Neal   +11 more
wiley   +1 more source

Utility of Transmission Electron Microscopy in Small Round Cell Tumors [PDF]

open access: yesJournal of Pathology and Translational Medicine, 2015
Small round cell tumors (SRCTs) are a heterogeneous group of neoplasms composed of small, primitive, and undifferentiated cells sharing similar histology under light microscopy.
Na Rae Kim, Seung Yeon Ha, Hyun Yee Cho
doaj   +1 more source

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

open access: yesClinical Case Reports, Volume 14, Issue 7, July 2026.
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.
Shubham Dokania   +7 more
wiley   +1 more source

Skull Base Surgery in the Pediatric Population—The 2nd International Collaborative Study (1995–2015)

open access: yesHead &Neck, Volume 48, Issue 7, Page 1742-1754, July 2026.
ABSTRACT Background The current study presents the efforts of a global collaborative group to review the management and outcomes of malignant tumors of the skull base in the pediatric population worldwide. Patients and Methods A total of 28 institutions contributed data on 3061 patients. From this, there were 64 pediatric patients (2.1%).
Dan M. Fliss   +50 more
wiley   +1 more source

Ewing’s sarcoma or peripheral primitive neuroectodermal tumor at the base of tongue: a rare location case report

open access: yes, 2023
Peripheral primitive neuroectodermal tumor now termed as Ewings sarcoma/PNET, representing a family of tumors with varying degrees of neuronal differentiation and genetic rearrangements.
Yadav, Nidhi   +4 more
core   +2 more sources

Congenital peripheral primitive neuroectodermal tumor: A case treated successfully with multimodality treatment

open access: yesJournal of the Egyptian National Cancer Institute, 2014
Neonatal tumors comprise less than two percent of childhood malignancies. Most are solid tumors, most common histologies being teratoma and neuroblastoma.
Shikha Goyal   +3 more
doaj   +1 more source

The Role of N6‐Methyladenosine Modification in Health and Disease

open access: yesMedComm, Volume 7, Issue 6, June 2026.
N6‐methyladenosine (m6A) is the most prevalent internal RNA modification in eukaryotes, acting as a pivotal epitranscriptomic regulator of RNA metabolism. This modification plays a dual role: it maintains physiological homeostasis under normal conditions but drives disease progression when dysregulated.
Linghuan Li   +6 more
wiley   +1 more source

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