Results 21 to 30 of about 957 (113)
Primitive neuroectodermal tumor coexistent with anaplastic ganglioglioma [PDF]
, 2012 Primitive neuroectodermal tumors are among the most common tumors of childhood and the most frequent location of them is cerebellum. Supratentorial primitive neuroectodermal tumors are uncommon.
Metin Sener +5 more
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Brainstem Neuroectodermal Tumors [PDF]
, 2000 Seven histologically confirmed primitive neuroectodermal tumors (PNETs) arising in the brainstem were identified among 146 pediatric brainstem tumors, in a review of the the clinical neuro-oncology database and 1986-1995 files of the Division of ...
J Gordon Millichap
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Primitive neuroectodermal tumor transformation of testicular teratoma [PDF]
, 2018 Malignant transformation of teratoma develops in a small subset of testis cancer patients. Primitive neuroectodermal tumor represents a highly malignant component of testicular germ cell tumors.
Karatzas A., Papadopoulos V., Katsiouli V., Pisters L., Papandreou C., Tzortzis V.
core +3 more sources
Primitive neuroectodermal tumor of the ovary
Saudi Medical Journal, 2008 A 31-year-old woman presented to King Abdulaziz University Hospital complaining of an abdominal pain and a rapid increase in abdominal girth. An ultrasound and MRI, revealed a huge cystic ovarian mass without ascites. Ovarian tumor markers were all within normal range. Exploratory laparotomy showed huge right ovarian mass with omental mass.
Nisrin M, Anfinan +2 more
openaire +2 more sources
Primitive neuroectodermal tumors: Two genitourinary afflictions with varied presentations [PDF]
, 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.
Hariharan Krishnamoorthy +2 more
core +1 more source
Persistent Erythrocytosis in a Dog With a Spinal Sclerosing Paraganglioma
Veterinary 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
Clinical 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
Primitive neuroectodermal tumor of prostate
Indian Journal of Pathology and Microbiology, 2008 Primitive neuroectodermal tumors (PNETs) are malignant proliferations of small, undifferentiated neuroectodermal cells occurring mainly in children and share the same reciprocal translocation between chromosomes 11 and 22 and the same patterns of biochemical and oncogene expression as osseus and extraosseus Ewing's sarcoma.
Kumar Vikash +6 more
openaire +3 more sources
Skull Base Surgery in the Pediatric Population—The 2nd International Collaborative Study (1995–2015)
Head &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
Walsh & Hoyt: Primitive Neuroectodermal Tumors [PDF]
, 2005 Despite attempts to classify all primitive neuroectodermal tumors (PNETs) according to their presumed cell of origin, there remain tumors that, although neuroectodermal in character, are so poorly differentiated that their cell of origin is impossible to
Thomas R. Hedges III, MD
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