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Article: Sonographic Appearance of Parotid Glands in Patients Treated With Intensity-Modulated Radiotherapy or Conventional Radiotherapy for Nasopharyngeal Carcinoma

TitleSonographic Appearance of Parotid Glands in Patients Treated With Intensity-Modulated Radiotherapy or Conventional Radiotherapy for Nasopharyngeal Carcinoma
Authors
KeywordsConventional radiotherapy
Intensity-modulated radiotherapy
Nasopharyngeal carcinoma
Parotid gland
Ultrasound
Xerostomia
Issue Date2011
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ultrasmedbio
Citation
Ultrasound In Medicine And Biology, 2011, v. 37 n. 2, p. 220-230 How to Cite?
AbstractThis study aimed to investigate and compare the sonographic appearances of parotid glands in nasopharyngeal carcinoma patients treated with conventional radiotherapy (RT) or intensity-modulated radiotherapy (IMRT), and to compare them with healthy subjects. Totally 43 patients treated with conventional RT, 38 patients treated with IMRT and 58 healthy subjects were recruited and underwent parotid ultrasonography. Parotid glands were assessed for their size, echogenicity and internal architectures. The mean transverse dimension of parotid glands in patients treated with conventional RT and those treated with IMRT were significantly smaller than that in healthy subjects (p < 0.05). Parotid glands of the IMRT group tended to be hyperechoic (93%), homogenous (62%), without hypoechoic areas (64%) and with marginally-seen intra-parotid ducts (89%), which are similar to those in healthy subjects. Parotid glands in the conventional RT group tended to be hypoechoic (51%), heterogeneous (98%), with hypoechoic areas (94%) and had obviously-seen intra-parotid ducts (64%). For accurate diagnosis, post-RT changes of parotid glands should be noted in ultrasound examination of patients with previous radiotherapy. © 2011 World Federation for Ultrasound in Medicine & Biology.
Persistent Identifierhttp://hdl.handle.net/10722/139114
ISSN
2015 Impact Factor: 2.298
2015 SCImago Journal Rankings: 0.885
ISI Accession Number ID
Funding AgencyGrant Number
The Hong Kong Polytechnic UniversityRP8Q
Funding Information:

This study is supported by a research studentship from The Hong Kong Polytechnic University (RP8Q).

References

 

DC FieldValueLanguage
dc.contributor.authorCheng, SCHen_HK
dc.contributor.authorYing, MTCen_HK
dc.contributor.authorKwong, DLWen_HK
dc.contributor.authorWu, VWCen_HK
dc.date.accessioned2011-09-23T05:45:09Z-
dc.date.available2011-09-23T05:45:09Z-
dc.date.issued2011en_HK
dc.identifier.citationUltrasound In Medicine And Biology, 2011, v. 37 n. 2, p. 220-230en_HK
dc.identifier.issn0301-5629en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139114-
dc.description.abstractThis study aimed to investigate and compare the sonographic appearances of parotid glands in nasopharyngeal carcinoma patients treated with conventional radiotherapy (RT) or intensity-modulated radiotherapy (IMRT), and to compare them with healthy subjects. Totally 43 patients treated with conventional RT, 38 patients treated with IMRT and 58 healthy subjects were recruited and underwent parotid ultrasonography. Parotid glands were assessed for their size, echogenicity and internal architectures. The mean transverse dimension of parotid glands in patients treated with conventional RT and those treated with IMRT were significantly smaller than that in healthy subjects (p < 0.05). Parotid glands of the IMRT group tended to be hyperechoic (93%), homogenous (62%), without hypoechoic areas (64%) and with marginally-seen intra-parotid ducts (89%), which are similar to those in healthy subjects. Parotid glands in the conventional RT group tended to be hypoechoic (51%), heterogeneous (98%), with hypoechoic areas (94%) and had obviously-seen intra-parotid ducts (64%). For accurate diagnosis, post-RT changes of parotid glands should be noted in ultrasound examination of patients with previous radiotherapy. © 2011 World Federation for Ultrasound in Medicine & Biology.en_HK
dc.languageengen_US
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/ultrasmedbioen_HK
dc.relation.ispartofUltrasound in Medicine and Biologyen_HK
dc.subjectConventional radiotherapyen_HK
dc.subjectIntensity-modulated radiotherapyen_HK
dc.subjectNasopharyngeal carcinomaen_HK
dc.subjectParotid glanden_HK
dc.subjectUltrasounden_HK
dc.subjectXerostomiaen_HK
dc.subject.meshDiagnostic Imaging-
dc.subject.meshNasopharyngeal Neoplasms - radiotherapy - ultrasonography-
dc.subject.meshOrgan Size-
dc.subject.meshParotid Gland - pathology - ultrasonography-
dc.subject.meshRadiotherapy, Intensity-Modulated-
dc.titleSonographic Appearance of Parotid Glands in Patients Treated With Intensity-Modulated Radiotherapy or Conventional Radiotherapy for Nasopharyngeal Carcinomaen_HK
dc.typeArticleen_HK
dc.identifier.emailKwong, DLW:dlwkwong@hku.hken_HK
dc.identifier.authorityKwong, DLW=rp00414en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.ultrasmedbio.2010.11.002en_HK
dc.identifier.pmid21208735-
dc.identifier.scopuseid_2-s2.0-78751606724en_HK
dc.identifier.hkuros194754en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78751606724&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume37en_HK
dc.identifier.issue2en_HK
dc.identifier.spage220en_HK
dc.identifier.epage230en_HK
dc.identifier.isiWOS:000286456900007-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCheng, SCH=36945152100en_HK
dc.identifier.scopusauthoridYing, MTC=36480747200en_HK
dc.identifier.scopusauthoridKwong, DLW=15744231600en_HK
dc.identifier.scopusauthoridWu, VWC=7006045803en_HK
dc.identifier.citeulike8614403-

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