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Article: Using gadolinium-infusion MR venography to show the impalpable testis in pediatric patients
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TitleUsing gadolinium-infusion MR venography to show the impalpable testis in pediatric patients
 
AuthorsLam, WWM
Tam, PKH
Ai, VHG
Chan, KL
Chan, FL
Leong, L
 
Issue Date2001
 
PublisherAmerican Roentgen Ray Society. The Journal's web site is located at http://www.arrs.org/scriptcontent/ajr/index.cfm
 
CitationAmerican Journal of Roentgenology, 2001, v. 176 n. 5, p. 1221-1226 [How to Cite?]
DOI: http://dx.doi.org/10.2214/ajr.176.5.1761221
 
AbstractOBJECTIVE; This study evaluated the adjunctive value of gadolinium-infusion MR venography to locate the impalpable testis. SUBJECTS AND METHODS: Routine MR imaging and MR venography were performed in 34 patients presenting with impalpable testis. MR venography was performed by dynamic injection of gadopentetate dimeglumine bismethylamide with images taken at delayed venous phases. The site of the testis was determined by detection of the contrast-enhanced pampiniform venous plexus. RESULTS: A total of 44 impalpable testes were examined. Twenty-six hypoplastic canalicular testes, two testes at pelvic skinfold, four atrophic testes in the scrotum, and five intraabdominal testes were detected on both routine MR imaging and MR venography. Five 'vanishing' testes in the scrotum and two at the groin region were detected by MR venography but not on MR imaging. CONCLUSION: Gadolinium-infusion MR venography is superior to MR imaging in the detection of atrophic testes. The method is a useful adjunct in patients with negative MR imaging findings.
 
ISSN0361-803X
2013 Impact Factor: 2.744
 
DOIhttp://dx.doi.org/10.2214/ajr.176.5.1761221
 
DC FieldValue
dc.contributor.authorLam, WWM
 
dc.contributor.authorTam, PKH
 
dc.contributor.authorAi, VHG
 
dc.contributor.authorChan, KL
 
dc.contributor.authorChan, FL
 
dc.contributor.authorLeong, L
 
dc.date.accessioned2010-09-06T08:47:39Z
 
dc.date.available2010-09-06T08:47:39Z
 
dc.date.issued2001
 
dc.description.abstractOBJECTIVE; This study evaluated the adjunctive value of gadolinium-infusion MR venography to locate the impalpable testis. SUBJECTS AND METHODS: Routine MR imaging and MR venography were performed in 34 patients presenting with impalpable testis. MR venography was performed by dynamic injection of gadopentetate dimeglumine bismethylamide with images taken at delayed venous phases. The site of the testis was determined by detection of the contrast-enhanced pampiniform venous plexus. RESULTS: A total of 44 impalpable testes were examined. Twenty-six hypoplastic canalicular testes, two testes at pelvic skinfold, four atrophic testes in the scrotum, and five intraabdominal testes were detected on both routine MR imaging and MR venography. Five 'vanishing' testes in the scrotum and two at the groin region were detected by MR venography but not on MR imaging. CONCLUSION: Gadolinium-infusion MR venography is superior to MR imaging in the detection of atrophic testes. The method is a useful adjunct in patients with negative MR imaging findings.
 
dc.identifier.citationAmerican Journal of Roentgenology, 2001, v. 176 n. 5, p. 1221-1226 [How to Cite?]
DOI: http://dx.doi.org/10.2214/ajr.176.5.1761221
 
dc.identifier.doihttp://dx.doi.org/10.2214/ajr.176.5.1761221
 
dc.identifier.epage1226
 
dc.identifier.hkuros61211
 
dc.identifier.issn0361-803X
2013 Impact Factor: 2.744
 
dc.identifier.issue5
 
dc.identifier.pmid11312185
 
dc.identifier.spage1221
 
dc.identifier.urihttp://hdl.handle.net/10722/83993
 
dc.identifier.volume176
 
dc.languageeng
 
dc.publisherAmerican Roentgen Ray Society. The Journal's web site is located at http://www.arrs.org/scriptcontent/ajr/index.cfm
 
dc.publisher.placeUnited States
 
dc.relation.ispartofAmerican Journal of Roentgenology
 
dc.subject.meshCryptorchidism - pathology - radiography
 
dc.subject.meshGadolinium - administration and dosage - diagnostic use
 
dc.subject.meshMagnetic Resonance Imaging
 
dc.subject.meshPhlebography - methods
 
dc.titleUsing gadolinium-infusion MR venography to show the impalpable testis in pediatric patients
 
dc.typeArticle
 
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<item><contributor.author>Lam, WWM</contributor.author>
<contributor.author>Tam, PKH</contributor.author>
<contributor.author>Ai, VHG</contributor.author>
<contributor.author>Chan, KL</contributor.author>
<contributor.author>Chan, FL</contributor.author>
<contributor.author>Leong, L</contributor.author>
<date.accessioned>2010-09-06T08:47:39Z</date.accessioned>
<date.available>2010-09-06T08:47:39Z</date.available>
<date.issued>2001</date.issued>
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<description.abstract>OBJECTIVE; This study evaluated the adjunctive value of gadolinium-infusion MR venography to locate the impalpable testis. SUBJECTS AND METHODS: Routine MR imaging and MR venography were performed in 34 patients presenting with impalpable testis. MR venography was performed by dynamic injection of gadopentetate dimeglumine bismethylamide with images taken at delayed venous phases. The site of the testis was determined by detection of the contrast-enhanced pampiniform venous plexus. RESULTS: A total of 44 impalpable testes were examined. Twenty-six hypoplastic canalicular testes, two testes at pelvic skinfold, four atrophic testes in the scrotum, and five intraabdominal testes were detected on both routine MR imaging and MR venography. Five &apos;vanishing&apos; testes in the scrotum and two at the groin region were detected by MR venography but not on MR imaging. CONCLUSION: Gadolinium-infusion MR venography is superior to MR imaging in the detection of atrophic testes. The method is a useful adjunct in patients with negative MR imaging findings.</description.abstract>
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<subject.mesh>Cryptorchidism - pathology - radiography</subject.mesh>
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