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Triangular Fibrocartilage

Fig. 10.1. Schematic drawing of a coronal view through the wrist outlines the relation among carpal bones and wrist joint spaces. Distal to the radius (R) and ulna fLl),the proximal row of carpal bones includes the scaphoid (S), lunate (L), triquetrum (T) and pisiform (P), whereas the distal row is formed by the trapezium fTzj, trapezoid (Tdj, capitate (C) and hamate (H). The distal radio-ulnar joint (1) is separated from the radiocarpal joint (2) by the triangular fibrocartilage (curved arrow). The scapholunate (straight arrow) and lunotriquetral (arrowhead) ligaments separate the radiocarpal from the mid-carpal fSj joint. The carpometacarpal joint spaces (4) lie ahead of the distal carpal row... Fig. 10.1. Schematic drawing of a coronal view through the wrist outlines the relation among carpal bones and wrist joint spaces. Distal to the radius (R) and ulna fLl),the proximal row of carpal bones includes the scaphoid (S), lunate (L), triquetrum (T) and pisiform (P), whereas the distal row is formed by the trapezium fTzj, trapezoid (Tdj, capitate (C) and hamate (H). The distal radio-ulnar joint (1) is separated from the radiocarpal joint (2) by the triangular fibrocartilage (curved arrow). The scapholunate (straight arrow) and lunotriquetral (arrowhead) ligaments separate the radiocarpal from the mid-carpal fSj joint. The carpometacarpal joint spaces (4) lie ahead of the distal carpal row...
The triangular fibrocartilage complex is formed by several soft-tissue structures located in the ulno-... [Pg.426]

Fig. 10.71. Caput ulnae syndrome in rheumatoid arthritis. Schematic drawing of a transverse view through the distal radioulnar joint outlines the rupture of the triangular fibrocartilage (arrowheads) and marginal erosions at the distal radio-ulnar joint level due to intra-articular pannus (asterisks). As a result, the ulna subluxes dorsally (gray arrow). Pannus (star) inside the extensor carpi ulnaris tendon (open arrow) sheath leads to cortical erosions, tear of the retinaculum and tendon thinning and splitting. St, styloid of the ulna Rad, radius... Fig. 10.71. Caput ulnae syndrome in rheumatoid arthritis. Schematic drawing of a transverse view through the distal radioulnar joint outlines the rupture of the triangular fibrocartilage (arrowheads) and marginal erosions at the distal radio-ulnar joint level due to intra-articular pannus (asterisks). As a result, the ulna subluxes dorsally (gray arrow). Pannus (star) inside the extensor carpi ulnaris tendon (open arrow) sheath leads to cortical erosions, tear of the retinaculum and tendon thinning and splitting. St, styloid of the ulna Rad, radius...
Fig.10.77. Triangular fibrocartilage tear. Coronal 12-5 MHz US image over the ulnar aspect of the wrist in a patient with a proved communicating tear of the triangular fibrocartilage at CT arthrography demonstrates a well-defined hypoechoic cleft (curved arrows) within the hyperechoic fibrocartilaginous tissue lying between the triquetrum and the ulna, consistent with a tear. Open arrow, distal radius... Fig.10.77. Triangular fibrocartilage tear. Coronal 12-5 MHz US image over the ulnar aspect of the wrist in a patient with a proved communicating tear of the triangular fibrocartilage at CT arthrography demonstrates a well-defined hypoechoic cleft (curved arrows) within the hyperechoic fibrocartilaginous tissue lying between the triquetrum and the ulna, consistent with a tear. Open arrow, distal radius...
See other pages where Triangular Fibrocartilage is mentioned: [Pg.856]    [Pg.935]    [Pg.154]    [Pg.165]    [Pg.170]    [Pg.182]    [Pg.183]    [Pg.426]    [Pg.426]    [Pg.426]    [Pg.427]    [Pg.427]    [Pg.442]    [Pg.442]    [Pg.452]    [Pg.476]    [Pg.478]    [Pg.479]    [Pg.479]    [Pg.480]    [Pg.480]    [Pg.493]    [Pg.496]    [Pg.921]   
See also in sourсe #XX -- [ Pg.155 , Pg.165 , Pg.170 , Pg.426 , Pg.479 , Pg.496 ]



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