Results 21 to 30 of about 17,802 (219)

Clinical, pathological, and imaging characteristics of primitive neuroectodermal tumors of the spine [PDF]

open access: yesDiagnostic and Interventional Radiology, 2014
Primitive neuroectodermal tumors (PNETs) located in the spine are extremely rare, and information concerning these tumors in the medical literature is limited to single case reports.
Hong Guobin,   +5 more
doaj   +2 more sources

Primitive Neuroectodermal Tumor Prognosis

open access: yesPediatric Neurology Briefs, 1996
Biological factors of prognostic significance in primitive neuroectodermal tumors (PNETs) were evaluated in tumor specimens of 86 children examined at the Children’s Hospital of Philadelphia and University of Pennsylvania.
J Gordon Millichap
doaj   +2 more sources

Primitive neuroectodermal tumor of prostate

open access: yesIndian 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 ...
Kumar Vikash   +6 more
doaj   +3 more sources

A rare case of a peripheral Ewing sarcoma primitive neuroectodermal tumor of pelvic origin

open access: yesRadiology 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   +5 more
doaj   +1 more source

Peripheral primitive neuroectodermal tumor: a case report

open access: yesJournal of Medical Case Reports, 2022
Background Primitive neuroectodermal tumors are extremely rare and highly aggressive malignant small round cell tumors that arise from the primitive nerve cells of the nervous system or outside it.
Alije Keka-Sylaj   +5 more
doaj   +1 more source

Uterine Primitive Neuroectodermal Tumor [PDF]

open access: yesCureus, 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   +4 more
openaire   +2 more sources

Primitive neuroectodermal tumors: Two genitourinary afflictions with varied presentations.

open access: yesIndian J Urol, 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.
Mehta SB, Krishnamoorthy H, Pillai BS.
europepmc   +2 more sources

Cytological diagnosis of extraskeletal Ewing's sarcoma

open access: yesMedical 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

The primitive neuroectodermal tumor of the heart [PDF]

open access: yesEuropean Journal of Cardio-Thoracic Surgery, 2000
A young man was admitted to hospital with dyspnea, malaise, chest pain and night sweating. Investigative studies revealed a cystic mass lesion originating from the heart. Surgical exploration of the tumor showed that it was unresectable and pathology of the biopsy material was primitive neuroectodermal tumor.
Besirli, K   +3 more
openaire   +3 more sources

Melanotic neuroectodermal tumor of infancy: A narrative review of dental aspects

open access: yesSaudi Dental Journal, 2023
Melanotic neuroectodermal tumors of infancy (MNTI) are a rare type of benign tumor that affects the head and neck region. MNTI represents (68–80%) of the tumors in the maxillary region. This tumor is usually located in the alveolar crest, skull, mandible,
Bader Fatani   +4 more
doaj   +1 more source

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