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Titolo:
US identification of the anal sphincter complex and levator ani muscle in neonates: Infracoccygeal approach
Autore:
Han, TI; Kim, IO; Kim, WS; Chung, JY; Choeh, K; Song, MK; Yoon, YG;
Indirizzi:
Eulji Univ, Sch Med, Dept Radiol, Jung Gu, Taejon 301726, South Korea Eulji Univ Taejon South Korea 301726 Jung Gu, Taejon 301726, South Korea Eulji Univ, Sch Med, Dept Pediat, Jung Gu, Taejon 301726, South Korea Eulji Univ Taejon South Korea 301726 Jung Gu, Taejon 301726, South Korea Seoul Natl Univ, Coll Med, Dept Radiol, Seoul, South Korea Seoul Natl Univ Seoul South Korea Med, Dept Radiol, Seoul, South Korea
Titolo Testata:
RADIOLOGY
fascicolo: 2, volume: 217, anno: 2000,
pagine: 392 - 394
SICI:
0033-8419(200011)217:2<392:UIOTAS>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
NORMAL ANATOMY; FECAL INCONTINENCE; ENDOSONOGRAPHY; SONOGRAPHY; CHILDREN;
Keywords:
anus, US; infants, newborn, gastrointestinal tract; ultrasound (US), in infants and children;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Han, TI Eulji Univ, Sch Med, Dept Radiol, Jung Gu, 24-14 Mok Dong, Taejon 301726, South Korea Eulji Univ 24-14 Mok Dong Taejon South Korea 301726 , South Korea
Citazione:
T.I. Han et al., "US identification of the anal sphincter complex and levator ani muscle in neonates: Infracoccygeal approach", RADIOLOGY, 217(2), 2000, pp. 392-394

Abstract

PURPOSE: To identify the anal sphincter complex and levator ani muscle at transperineal ultrasonography (US) with the infracoccygeal approach. MATERIALS END METHODS: Infracoccygeal US was performed with a 7-MHz linear-array transducer in 40 healthy neonates. The babies were placed in the supine position, and both legs were drawn up to the chest. The buttocks were accordingly lifted up. The approach site was just inferior to the coccyx andposterior to the anus. Scanning was performed to obtain transverse images of the anorectal area. The thickness of the anal sphincter complex and the puborectalis muscle were measured. RESULTS: Infracoccygeal US revealed the internal anal sphincter (IAS), theexternal anal sphincter (EAS), and the puborectalis muscle in all babies. The IAS and EAS were depicted as inner and outer hypoechoic ringlike structures, respectively. A round, hyperechoic space (intersphincteral space) waspresent between the hypoechoic IAS and EAS. The puborectalis muscle was identified as a U-shaped hypoechoic structure. The bulbocavernosus and ischiocavernous muscles were also identified. Mean thicknesses were as follows: IAS, 1.3 mm +/- 0.3 (SD) (range, 0.8-1.9 mm); EAS, 1.6 mm +/- 0.3 (range, 1.2-2.3 mm); and puborectalis muscle, 1.1 mm +/- 0.3 (range, 0.6-1.9 mm). CONCLUSION: Infracoccygeal transperineal US is an excellent diagnostic modality for demonstrating the anal sphincter complex and levator ani muscle in neonates.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/01/20 alle ore 18:41:49