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Triquetrolunate instability

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https://www.readbyqxmd.com/read/10597941/clinical-diagnosis-of-triquetrolunate-ligament-injuries
#1
COMPARATIVE STUDY
L Christodoulou, L C Bainbridge
The clinical diagnosis of peritriquetral injuries is difficult. We describe our diagnostic technique based on specific questions and three clinical tests. The accuracy of our diagnostic technique was compared prospectively with the definitive diagnosis made at arthroscopy. Preoperatively, 19 patients were diagnosed as having triquetrolunate dissociation. This was confirmed at arthroscopy in 17. Another five patients not diagnosed preoperatively were also diagnosed at arthroscopy as having mainly triquetrolunate dissociation...
October 1999: Journal of Hand Surgery: Journal of the British Society for Surgery of the Hand
https://www.readbyqxmd.com/read/7822911/frayed-ulno-triquetral-and-ulno-lunate-ligaments-as-an-arthroscopic-sign-of-longstanding-triquetro-lunate-ligament-rupture
#2
B Zachee, L De Smet, G Fabry
In patients with chronic wrist pain of more than 6 months duration, arthroscopy may reveal fraying of the ulno-triquetral and ulno-lunate ligaments. This can be a sign of longstanding triquetrolunate dissociation. We present a prospective study in which frayed ulno-triquetral (UT) and ulno-lunate (UL) ligaments were sought on wrist arthroscopy and correlated with longstanding triquetro-lunate (TL) rupture.
October 1994: Journal of Hand Surgery: Journal of the British Society for Surgery of the Hand
https://www.readbyqxmd.com/read/7175132/palmar-carpal-instability-secondary-to-dislocation-of-scaphoid-and-lunate-report-of-case-and-review-of-the-literature
#3
J Taleisnik, M Malerich, M Prietto
An isolated dislocation of scaphoid and lunate is presented. We believe that this injury was responsible for the later development of a palmar carpal instability pattern. Carpal kinematics and pertinent literature are reviewed to support this belief. In our patient, the scaphoid relationship to the trapezium and trapezoid had remained largely undisturbed. The separation of lunate and capitate, a frequent form of carpal dislocation, could be explained on an anatomical basis. The lunate remained attached to the scaphoid, but completely dissociated from the triquetrum...
November 1982: Journal of Hand Surgery
https://www.readbyqxmd.com/read/6728447/ulnar-carpal-instabilities
#4
C E Alexander, D M Lichtman
Ulnar carpal instabilities are more common than previously suspected. To date, instability patterns have been described at the triquetrolunate and triquetrohamate joints. In this article, the pathomechanics, diagnosis, and treatment of these instability patterns are reviewed and several pertinent case reports are presented.
April 1984: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/6715821/dynamic-triquetrolunate-instability-case-report
#5
D M Lichtman, W H Noble, C E Alexander
A case is reported that demonstrates dynamic triquetrolunate instability with the additional finding of obstruction to smooth intercarpal motion by a tag of torn interosseous triquetrolunate ligament. The patient was successfully treated with excision of the ligamentous tag accompanied by triquetrolunate fusion.
March 1984: Journal of Hand Surgery
https://www.readbyqxmd.com/read/6397153/triquetrohamate-and-triquetrolunate-instabilities-medial-carpal-instability
#6
REVIEW
J Taleisnik
Anatomic and kinematic information needed for the understanding of radiocarpal instability is reviewed. Based on this, and on the concept of the columnar carpus, medial carpal instabilities are defined as those taking place between the triquetrum (medial column) and the hamate and lunate (central column). Therefore, two types of medial instability are recognized: triquetrohamate, across the mid-carpal joint, with loss of stability of the central column present only during ulnar or radial deviation (dynamic DISI and VISI), and triquetrolunate, producing the loss of the dorsiflexion influence of the triquetrum on the lunate and, consequently, a static type of VISI collapse...
1984: Annales de Chirurgie de la Main: Organe Officiel des Sociétés de Chirurgie de la Main
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