Disi e visi. It should normally be 30°-60°.

Disi e visi. The SL angle is an indicator of dorsal intercalated segment instability deformity (DISI). Nov 28, 2024 · Dorsal intercalated segment instability (DISI) is a form of carpal instability featuring dorsal tilt of the lunate. It should normally be 30°-60°. Nov 28, 2024 · Dorsal intercalated segment instability (DISI) is a form of carpal instability featuring dorsal tilt of the lunate. He opted for conservative treatment and received splintage for 6 weeks followed by rehabilitation and occupational training for 6 weeks. - A line perpendicular to the distal articular surface of the lunate bone. Treatment of acute SL ligament injuries may be immobilization versus operative repair/reconstruction depending on degree of displacement. [1] A DISI deformity is a condition in which there is a mutual change in position of two carpal bones in the wrist joint. Here is a dynamic sequence to get an idea of how the alignment changes between DISI and VISI. The SL angle goes between: [1] - A line through the long axis of the scaphoid bone. It occurs mainly after the disruption of the s capholunate ligament and is more often encountered than volar intercalated segment instability (VISI). Dorsal RC ligament / DRC - radius to triquetrum 2. Mar 9, 2025 · Diagnosis of DISI deformity can be made with lateral wrist radiographs showing a scapholunate angle > 70 degrees. Dorsal intercalated segment instability (DISI) refers to a condition where there is instability in the dorsal intercalated segment of the wrist, which can result in pain, limited range of motion, and other symptoms. - DISI deformity is also present when the scapholunate angle is greater than 70 deg; - when diagnosising this condition, be sure that the lateral radiograph was taken w/ proper technique and that the wrist is not dorsiflexed Dorsal Interossei Normal vs dorsal intercalated segment instability vs volar intercalated segmental instability. Scapholunate Ligament Injury / DISI Definition Dorsal Intercalated Segmental Instability / CID Anatomy Scapholunate joint - C shaped - 2-3 mm thick dorsally with transverse fibres - thin palmar Dorsal extrinsic ligaments - V shaped, onto trapezium 1. Dorsal Intercarpal Ligament / DIC To produce DISI, scapholunate injuries require at least one secondary stabilizer to be disrupted. The diagnosis of ligamentous dorsal intercalated segment instability (DISI) was made, and the patient was offered arthroscopic repair by the orthopaedics team. . This causes symptoms in the wrist area, particularly when extending the wrist. 8hmr j8fvihiq 37cg x7ff nixg vc grpmqa elipkq qkx giyk