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Titolo:
TRIANGULAR FIBROCARTILAGE OF WRIST - PRESENTATION ON HIGH-RESOLUTION ULTRASONOGRAPHY
Autore:
CHIOU HJ; CHANG CY; CHOU YH; HSU CC; JIM YF; TIU CM; TENG MMH;
Indirizzi:
NATL YANG MING UNIV,COLL MED,VET GEN HOSP,DEPT RADIOL,201,SEC 2,SHIH PAI RD TAIPEI 112 TAIWAN NATL YANG MING UNIV,COLL MED,VET GEN HOSP,DEPT RADIOL TAIPEI 112 TAIWAN NATL DEF MED CTR TAIPEI TAIWAN CHINA MED COLL,DEPT RADIOL TAICHUNG TAIWAN
Titolo Testata:
Journal of ultrasound in medicine
fascicolo: 1, volume: 17, anno: 1998,
pagine: 41 - 48
SICI:
0278-4297(1998)17:1<41:TFOW-P>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
ULTRASOUND EXAMINATION; MR; ARTHROGRAPHY; TEARS; PAIN; LIGAMENTS; COMPLEX; HAND;
Keywords:
TRIANGULAR FIBROCARTILAGE; WRIST; TEAR, TRIANGULAR FIBROCARTILAGE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
23
Recensione:
Indirizzi per estratti:
Citazione:
H.J. Chiou et al., "TRIANGULAR FIBROCARTILAGE OF WRIST - PRESENTATION ON HIGH-RESOLUTION ULTRASONOGRAPHY", Journal of ultrasound in medicine, 17(1), 1998, pp. 41-48

Abstract

This study consisted of two parts. Part I is for detection of the normal triangular fibrocartilage by high resolution ultrasonography and Part II is a preliminary study to evaluate high resolution ultrasonography in the diagnosis of tears of the triangular fibrocartilage. Normally, the triangular fibrocartilage was seen in all cases in Part I as an inverse triangular structure of homogeneous hyperechogenicity on transverse and oblique sagittal scans at the level of the distal radioulnar joint. At its waist it measured from 2.3 to 4.2 mm (mean, 3.0 +/- 0.5 mm) on oblique sagittal scan and from 2.5 to 3.7 mm (mean, 3.2 +/- 0.4 mm) on transverse scan. Under normal conditions, the triangular fibrocartilage is thicker than 2.5 mm on both transverse and oblique sagittal sections with a confidence level of 95%. In Part II, eight of the 47 wrists were found to be hypoechoic in the triangular fibrocartilage region, which proved to be tears by arthrography. Six cases showed a homogeneous hyperechoic triangular fibrocartilage measuring from 1.8to 2.8 mm (mean, 2.3 +/- 0.5 mm) in transverse section and from 0 to 2.2 mm (mean 1.2 +/- 1.1 mm) in oblique sagittal section; five of these proved to be tears by arthrography. In contrast, 33 wrists had a homogeneous hyperechoic triangular fibrocartilage measuring from 2.5 to 4mm (mean, 3.1 +/- 0.4 mm) and 2.5 to 4.2 mm (mean, 3.1 +/- 0.6 mm) ontransverse and oblique sagittal sections, respectively; 27 proved to be normal triangular fibrocartilage by arthrography. The sensitivity, specificity, positive predictive value, negative predictive value, andaccuracy were 68.4%, 96.4%, 92.9%, 81.8%, and 85.1%, respectively. HRUS can display the normal triangular fibrocartilage as a homogeneous hyperechoic and inverted triangular structure. The torn triangular fibrocartilage appears as a hypoechoic region or as thinning (< 2.5 mm) ofthe hyperechoic structure on either transverse or oblique sagittal section. HRUS has an acceptable accuracy in the diagnosis of triangular fibrocartilage tear.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 18/01/20 alle ore 11:51:43