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Article: Imaging of peripheral PNET: Common and uncommon locations

TitleImaging of peripheral PNET: Common and uncommon locations
Authors
KeywordsAdrenal gland
Children
Dura mater
Imaging
Primitive neuroectodermal tumour
Small bowel mesentery
Issue Date2002
PublisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/crad
Citation
Clinical Radiology, 2002, v. 57 n. 4, p. 272-277 How to Cite?
AbstractAim: We present the imaging features of peripheral primitive neuroectodermal tumour (PNET) in eight children, highlighting the unusual locations of this tumour in three children. Materials and methods: At presentation, the tumours were studied with magnetic resonance imaging (MRI; n = 6), computed tomography (CT; n = 7) and ultrasound (US; n = 1). The diagnoses were confirmed histologically (n = 8), immunohistochemically (n = 8), by cytogenetics (n = 3) and electron microscopy (n = 1). Correlation with gross pathology, histology, treatment and outcome were obtained. Results: The tumours were located in the chest wall (n = 2), shoulder, pelvis, small bowel mesentery, adrenal gland, dura mater and skin and subcutaneous tissue of the abdominal wall (n = 1 each). Peripheral PNET arising from the small bowel mesentery, adrenal gland and dura mater have not been previously reported in the English literature. The tumours were mainly large (mean size: 10.6 cm) and infiltrative. All tumours were heterogeneously hyperintense on T2-weighted MRI, heterogeneously iso/hypodense on CT and had variable contrast enhancement. Most tumours were heterogeneously hypointense to muscle on T1-weighted MRI. US showed a hypoechoic mass with a cystic component. Conclusion: Peripheral PNET can occur in unusual locations. The clinical and imaging features of peripheral PNET are non-specific, making tissue diagnosis essential. PNET should be included in the differential diagnosis of aggressive soft tissue tumours in children. © 2002 The Royal College of Radiologists.
Persistent Identifierhttp://hdl.handle.net/10722/72369
ISSN
2015 Impact Factor: 2.151
2015 SCImago Journal Rankings: 0.864
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKhong, PLen_HK
dc.contributor.authorChan, GCFen_HK
dc.contributor.authorShek, TWHen_HK
dc.contributor.authorTam, PKHen_HK
dc.contributor.authorChan, FLen_HK
dc.date.accessioned2010-09-06T06:41:01Z-
dc.date.available2010-09-06T06:41:01Z-
dc.date.issued2002en_HK
dc.identifier.citationClinical Radiology, 2002, v. 57 n. 4, p. 272-277en_HK
dc.identifier.issn0009-9260en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72369-
dc.description.abstractAim: We present the imaging features of peripheral primitive neuroectodermal tumour (PNET) in eight children, highlighting the unusual locations of this tumour in three children. Materials and methods: At presentation, the tumours were studied with magnetic resonance imaging (MRI; n = 6), computed tomography (CT; n = 7) and ultrasound (US; n = 1). The diagnoses were confirmed histologically (n = 8), immunohistochemically (n = 8), by cytogenetics (n = 3) and electron microscopy (n = 1). Correlation with gross pathology, histology, treatment and outcome were obtained. Results: The tumours were located in the chest wall (n = 2), shoulder, pelvis, small bowel mesentery, adrenal gland, dura mater and skin and subcutaneous tissue of the abdominal wall (n = 1 each). Peripheral PNET arising from the small bowel mesentery, adrenal gland and dura mater have not been previously reported in the English literature. The tumours were mainly large (mean size: 10.6 cm) and infiltrative. All tumours were heterogeneously hyperintense on T2-weighted MRI, heterogeneously iso/hypodense on CT and had variable contrast enhancement. Most tumours were heterogeneously hypointense to muscle on T1-weighted MRI. US showed a hypoechoic mass with a cystic component. Conclusion: Peripheral PNET can occur in unusual locations. The clinical and imaging features of peripheral PNET are non-specific, making tissue diagnosis essential. PNET should be included in the differential diagnosis of aggressive soft tissue tumours in children. © 2002 The Royal College of Radiologists.en_HK
dc.languageengen_HK
dc.publisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/craden_HK
dc.relation.ispartofClinical Radiologyen_HK
dc.subjectAdrenal glanden_HK
dc.subjectChildrenen_HK
dc.subjectDura materen_HK
dc.subjectImagingen_HK
dc.subjectPrimitive neuroectodermal tumouren_HK
dc.subjectSmall bowel mesenteryen_HK
dc.subject.meshAdolescenten_HK
dc.subject.meshAdrenal Gland Neoplasms - diagnosisen_HK
dc.subject.meshChilden_HK
dc.subject.meshChild, Preschoolen_HK
dc.subject.meshDura Materen_HK
dc.subject.meshFemaleen_HK
dc.subject.meshFollow-Up Studiesen_HK
dc.subject.meshHumansen_HK
dc.subject.meshInfanten_HK
dc.subject.meshMagnetic Resonance Imagingen_HK
dc.subject.meshMaleen_HK
dc.subject.meshMeningeal Neoplasms - diagnosisen_HK
dc.subject.meshMesenteryen_HK
dc.subject.meshNeuroectodermal Tumors, Primitive - diagnosisen_HK
dc.subject.meshPeritoneal Neoplasms - diagnosisen_HK
dc.subject.meshSoft Tissue Neoplasms - diagnosisen_HK
dc.subject.meshTomography, X-Ray Computeden_HK
dc.titleImaging of peripheral PNET: Common and uncommon locationsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0009-9260&volume=57&spage=272&epage=277&date=2002&atitle=Imaging+of+peripheral+PNET:+common+and+uncommon+locationsen_HK
dc.identifier.emailKhong, PL:plkhong@hkucc.hku.hken_HK
dc.identifier.emailChan, GCF:gcfchan@hkucc.hku.hken_HK
dc.identifier.emailTam, PKH:paultam@hkucc.hku.hken_HK
dc.identifier.authorityKhong, PL=rp00467en_HK
dc.identifier.authorityChan, GCF=rp00431en_HK
dc.identifier.authorityTam, PKH=rp00060en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1053/crad.2001.0807en_HK
dc.identifier.pmid12014872-
dc.identifier.scopuseid_2-s2.0-0036525955en_HK
dc.identifier.hkuros67045en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036525955&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume57en_HK
dc.identifier.issue4en_HK
dc.identifier.spage272en_HK
dc.identifier.epage277en_HK
dc.identifier.isiWOS:000175635700006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKhong, PL=7006693233en_HK
dc.identifier.scopusauthoridChan, GCF=16160154400en_HK
dc.identifier.scopusauthoridShek, TWH=7005479861en_HK
dc.identifier.scopusauthoridTam, PKH=7202539421en_HK
dc.identifier.scopusauthoridChan, FL=7202586444en_HK

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