1. Chronic Tfcc Tear Icd 10
2. Ligament Tear Wrist Icd 10
3. Icd 10 Tfcc Tear Right
4. Tfcc Tear Surgery
5. Tfcc Tear Icd 9
6. Tfcc Ligament Tear Icd 10 Lower Leg

ICD-10-CM Diagnosis Code S66 S66.0 Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level S66.1 Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level.

The Triangular fibrocartilage complex (TFCC) is formed by the triangular fibrocartilage discus (TFC), the radioulnar ligaments (RULs) and the ulnocarpal ligaments (UCLs).

S63.592A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM S63.592A became effective on October 1, 2019. This is the American ICD-10-CM version of S63.592A - other. Dec 01, 2017  The first step in treating TFCC tears is to temporarily stop doing any activities that cause wrist pain while the tear heals. You may need to wear a splint or cast to prevent your wrist from moving. SNAC of the left wrist caused by a displaced fracture of the distal pole of the scaphoid is reported with ICD-10-CM code S62.012K Displaced fracture of distal pole of navicular (scaphoid) bone of left wrist, subsequent encounter for fracture with nonunion. ICD-10-CM S63.591A is grouped within Diagnostic Related Group(s) (MS-DRG v 37.0): 562 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh with mcc 563 Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh without mcc 955 Craniotomy for multiple significant trauma.

• 1Structure
• 2Function
• 3Clinical significance
  • 3.3Diagnosis
  • 3.5Treatment

Structure[edit]

Triangular fibrocartilage disc[edit]

The TFC is an articular discus that lies on the pole of the distal ulna. It has a triangular shape and a biconcave body; the periphery is thicker than its center. The central portion of the TFC is thin and consists of chondroid fibrocartilage; this type of tissue is often seen in structures that can bear compressive loads. This central area is often so thin that it is translucent and in some cases it is even absent.^[1] The peripheral portion of the TFC is well vascularised, while the central portion has no blood supply.

This discus is attached by thick tissue to the base of the ulnar styloid and by thinner tissue to the edge of the radius just proximal to the radiocarpal articular surface.^[1]

Radioulnar ligaments[edit]

The RUL’s are the principal stabilizers of the distal radioulnar joint (DRUJ). There are two RUL's, the palmar and dorsal radioulnar ligaments.^{[citation needed]}

These ligaments arise from the distal radius medial border and insert on the ulna at two separate and distinct sites: the ulna styloid and the fovea (a groove that separates the ulnar styloid from the ulnar head). Each ligament consists of a superficial component and a deep component. The superficial components insert directly onto the ulna styloid. The deep components insert more lateral, into the fovea adjacent to the articular surface of the pole of the distal ulna.^{[citation needed]}

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The ligaments are composed of longitudinally oriented lamellar collagen to resist tensile loads and have a rich vascular supply to allow healing.^[2][3][4]

Ulnocarpal ligaments[edit]

The UCL’s consist of the ulnolunate and the ulnotriquetral ligaments. They originate from the ulnar styloid and insert into the carpal bones of the wrist: the ulnolunate ligament inserts into the lunate bone and the ulnotriquetral ligament into the triquetrum bone. These ligaments prevent dorsal migration of the distal ulna. They are more taut during supination, because in supination ulnar styloid moves away from the carpal bones volar side.^[1][5]

Function[edit]

The primary functions of the TFCC:

• To cover the ulna head by extending the articular surface of the distal radius
• Load transmission across the ulnocarpal joint and partially load absorbing
• Allows forearm rotation by giving a strong but flexible connection between the distal radius and ulna. It also supports the ulnar portion of the carpus

Load transmission[edit]

The TFCC is important in load transmission across the ulnar aspect of the wrist. The TFC transmits and absorbs compressive forces.

The ulnar variance influences the amount of load that is transmitted through the distal ulna. The load transmission is directly proportional to this ulnar variance. In neutral ulnar variance, approximately 20 percent of the load is transmitted. With negative ulnar variance, the load across the TFC is decreased. This occurs during supination, because the radius moves distally on the ulna and creates a negative ulnar variance. With positive ulnar variance it is reversed. The load that is transmitted across the TFC is then increased. This positive ulnar variance occurs during pronation.^[6]

Rotation[edit]

The TFCC is a major stabilizer of the DRUJ. To control the forearm rotation the DRUJ acts in concert with the proximal radioulnar joint. The connection between the distal radius and the distal ulna, maintain the congruency of the DRUJ. This attachment is mainly created by the RUL’s of the TFCC. These ligaments support the joint through its arc of rotation.^[6]

The role of the TFCC in supination and in pronation is a matter of dispute. Some authors (Schuind et al.) concluded that the dorsal fibers of the TFCC tighten in pronation, and the palmar fibers in supination. These conclusions are opposite of those published by Af Ekenstam and Hagert.^[2]

Both parties are in fact right, as the RUL's consists of two ligaments each made of another two components: the superficial and the deep ligaments. During supination, the superficial palmar and the deep dorsal ligaments are tightened^{[citation needed]}, preventing palmar translation of the ulna. In pronation this is reversed: the superficial dorsal and the deep palmar ligaments are tightened and prevent dorsal translation of the ulna^{[citation needed]}.

Clinical significance[edit]

The TFCC has a substantial risk for injury and degeneration because of its anatomic complexity and multiple functions.

Application of an extension-pronation force to an axial-load wrist, such as in a fall on an outstretched hand, causes most of the traumatic injuries of the TFCC.

Dorsal rotation injury, such as when a drill binds and rotates the wrist instead of the bit, can also cause traumatic injuries.

Injury may also occur from a distraction force applied to the volar forearm or wrist. Finally tears of the TFCC are frequently found by patients with distal radius fractures.^[6]

Perforations and defects in the TFCC are not all traumatic. There is an age related correlation with lesions in the TFCC, but many of these defects are asymptomatic. These lesions common occur by patients with positive ulnar variance.^[6]

Chronic and excessive loading through the ulnocarpal joint, causes degenerative TFCC tears. These tears are a component of ulnar impaction syndrome.

Even though natural degeneration of the ulnocarpal joint is very common, it is important to recognize.In cadavaric examinations, 30% to 70% of the cases had TFCC perforations and chondromalacia of the ulnar head, lunate and triquetrum. Cases with ulnar-negative variance had fewer degenerative changes.^[1]

Palmer’s classifications of TFCC Lesions[edit]

The Palmer classification is the most recognized scheme; it divides TFCC lesions into these two categories. This classification provides an accurate anatomic description of tears, it does not guide treatment or indicate prognosis.^[1]

Class 1

Traumatic

A. Central perforation

B. Ulnar avulsion

- With styloid fracture

- Without styloid fracture

C. Distal Avulsion (from carpus)

D. Radial avulsion

With sigmoid notch fracture

Without sigmoid notch fracture

Class 2

Degenerative (Ulnar Impaction Syndrome)

A. TFCC wear

B. TFCC wear

+ lunate and/or ulnar head chondromalacia

C. TFCC perforation

+ lunate and/or ulnar head chondromalacia

D. TFCC perforation

+ lunate and/or ulnar head chondromalacia

+ lunotriquetral ligament perforation

E. TFCC perforation

+ lunate and/or ulnar head chondromalacia

+ lunotriquetral ligament perforation

+ Ulnocarpal arthritis

Symptoms[edit]

Patients with a TFCC injury usually experience pain or discomfort located at the ulnar side of the wrist, often just above the ulnar styloid. However, there are also some patients who report diffuse pain throughout the entire wrist.

Rest can reduce pain and activity can make it worse, especially with rotating movements (supination and pronation) of the wrist or movements of the hand sideways in ulnar direction.

Other symptoms patients with a TFCC injury frequently mention are: swelling, loss of grip strength, instability and grinding or clicking sounds (crepitus) that can occur during activity of the wrist.^[7]

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Diagnosis[edit]

Anamnesis

Injuries to the TFCC may be preceded by a fall on a pronated outstretched arm; a rotational injury to the forearm; an axial load trauma to the wrist; or a distraction injury of the wrist in ulnar direction.^[7] However, not all patients can recall a preceding trauma occurred.

Physical examination

• Palpation: the best place to palpate the TFCC is between the extensor carpi ulnaris (ECU) and the flexor carpi ulnaris (FCU), distal to the ulnar styloid and proximal to the pisiform bone.^[7] Tenderness in this area may be consistent with a TFCC lesion.
• Piano key sign: dorsal DRUJ instability can cause a protruding ulna head, which can be pressed down. When you release the pressure, it will spring back in position again, just like a piano key.
• DRUJ stress test: with this provocation manoeuver the wrist is held in pronated or supinated position, while the physician attempts to manipulate the distal ulna in dorsal and volar direction. Painful laxity indicates DRUJ instability and suggests RUL pathology.^[2]
• Ulnar grind test: the forearm is fixated and the wrist is held in dorsiflexion. The physician then applies axial load, while he rotates and deviates the wrist in ulnar direction. Pain and crepitations during this provocation manoeuvre suggest DRUJ instability or arthritis.^{[citation needed]}

Wendy Medeiros, OTR, CHT(ret) has designed a weight-bearing test to objectively analyze the stability of the wrist. This test has defined stability based on age, height and bone density. She has also developed a conservative management protocol for the treatment of TFCC tears after 12 years of research around the globe.^{[citation needed]}

Imaging[edit]

• X-ray: X-rays of the wrist are made in two directions: posterior-anterior (PA) and lateral. Radiographs are useful to diagnose or rule out possible bone fractures, a positive ulnar variance or osteoarthritis. The TFCC is not visible on an X-ray, regardless of its condition.
• MRI: is, together with the findings of a careful physical examination, a helpful diagnostic tool to assess the condition of the TFCC. Nevertheless, the incidence of false-positive and false-negative MRI results is high.^[2]
• Arthrography: a dye is injected into the wrist joint. If there is a TFCC lesion the dye will leak from one joint compartment to another.
• Wrist arthroscopy: is an invasive diagnostic tool, but it remains to this day the most accurate way to identify TFCC lesions.^[8]

Note: Imaging techniques can only be relevant together with the clinical findings of a carefully performed physical examination.

Other than a TFCC injury, there are many possible causes for ulnar-sided wrist pain.

Differential diagnosis of TFCC injuries[edit]

• Tendinopathy of the ECU
• Ulnar styloid fracture
• Distal radius fracture
• DRUJ Arthritis
• Pisiform bone fractures
• Hamate bone fractures
• Carpal instability
• Midcarpal instability
• Hypothenar hammer syndrome (ulnar artery thrombosis)

Treatment[edit]

The initial treatment for both traumatic and degenerative TFCC lesions, with a stable DRUJ, is conservative (nonsurgical) therapy. Patients may be advised to wear a temporary splint or cast to immobilize the wrist and forearm for four to six weeks.^[9] The immobilization allows scar tissue to develop which can help heal the TFCC. In addition oral NSAID’s and corticosteroid joint injections can be prescribed for pain relief. Physiotherapy and Occupational Therapy can help patients recover after immobilization or surgery. Wrist support straps used in sports can also be used in mild cases to compress and minimize movement of the area.^[10]

Indications for acute TFCC surgery are: a clearly unstable DRUJ, or the existence of additional unstable or displaced fractures. TFCC surgery is also indicated when conservative treatment proves insufficient in about 8–12 weeks.

Fractures of the radius bone are often associated by TFCC damage. If the fracture is treated surgically it is recommended to evaluate and if necessary repair the TFCC as well.^[11]Closed fractures (where the skin is still intact) of the radius bone are treated non-surgically with cast; the immobilization can also help heal the TFCC.

Surgical[edit]

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Arthroscopic debridement of TFC discus tissue

The central part of the TFC has no blood supply and therefore has no healing capacity. When a tear occurs in this area of the TFC, it typically creates an unstable flap of tissue that is likely to catch on other joint surfaces. Removing the damaged tissue (debridement) is then indicated.Arthroscopic debridement as a treatment for degenerative TFC tears associated with positive ulnar variance, unfortunately, show poor results.^[9][8]

Arthroscopic repair of TFCC ligaments

Suturing TFCC ligaments can sometimes be performed arthroscopically. But only if there is no serious damage to the ligaments or other surrounding structures. Even after a short period of time torn ligaments tend to retract and therefore lose length. Retracted ligament ends are impossible to suture together again and a reconstruction may be necessary.^{[citation needed]}

Open surgical repair of the TFCC

Open surgery is usually required for degenerative or more complex TFCC injuries, or if additional damage to the wrist or forearm caused instability or displacement. It is a more invasive surgical technique compared to arthroscopic treatment, but the surgeon has better visibility and access to the TFCC.^{[citation needed]}

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Tfcc Tear Surgery

• Suturing of the RUL’s this is, just like arthroscopic suturing of these ligaments, only possible when the damage is not too serious and if both ends of the ruptured ligament are not yet retracted.
• Anatomic reconstruction of the RUL’s using a tendon graft (e.g., the palmaris longus). The tendon graft is tunnelled through drilled holes in the ulnar and radius bones. This procedure is indicated for DRUJ instability caused by an irreparable TFCC.^[12][3]
• Capsular or extensor retinaculum plication. This surgical technique aims to improve DRUJ stability by shortening the joint capsule or the extensor retinaculum. It is mostly used for minor DRUJ instability and is less invasive compared to a complete RUL reconstruction.^[13][14]
• Shortening of the ulnar bone. Patients with a positive ulnar variance are more susceptible to TFCC damage. Shortening the ulnar bone may help relieve the excess pressure to the TFCC and prevent further degeneration.^[15]

References[edit]

This article incorporates text in the public domain from page 325 of the 20th edition of Gray's Anatomy (1918)

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1. ^ ^abcdeAdams, Brian D.; Leversedge, Fraser J. (2016). 'Distal Radioulnar Joint'. In Wolfe, Scott W.; Pederson, William C.; Hotchkiss, Robert N.; Kozin, Scott H.; Cohen, Mark S (eds.). Green's Operative Hand Surgery (7th ed.). pp. 479–515. ISBN978-0-323-29534-5.
2. ^ ^abcdKleinman, William B (2007). 'Stability of the Distal Radioulna Joint: Biomechanics, Pathophysiology, Physical Diagnosis, and Restoration of Function What We Have Learned in 25 Years'. The Journal of Hand Surgery. 32 (7): 1086–106. doi:10.1016/j.jhsa.2007.06.014. PMID17826566.
3. ^ ^abLawler, Ericka; Adams, Brian D (2007). 'Reconstruction for DRUJ Instability'. HAND. 2 (3): 123–6. doi:10.1007/s11552-007-9034-6. PMC2527144. PMID18780072.
4. ^Gutiérrez, Alejandro Espinosa; Montero, José A. Rivas; Gutiérrez, Luis Enrique Sánchez (2007). 'Inestabilidad radiocubital distal: Reconstrucción del ligamento: dorsal del fibrocartílago triangular y su evolución' [Instability from the distal radioulnar joint: Reconstruction and evolution of dorsal triangular fibrocartilage complex ligament]. Acta Ortopedica Mexicana (in Spanish). 21 (5): 282–8. PMID18159918.
5. ^Ishii, Shoji; Palmer, Andrew K; Werner, Frederick W; Short, Walter H; Fortino, Maria D (1998). 'An anatomic study of the ligamentous structure of the triangular fibrocartilage complex'. The Journal of Hand Surgery. 23 (6): 977–85. doi:10.1016/S0363-5023(98)80003-8. PMID9848546.
6. ^ ^abcdGeissler, William B. (2016). 'Wrist Arthroscopy'. In Wolfe, Scott W.; Pederson, William C.; Hotchkiss, Robert N.; Kozin, Scott H.; Cohen, Mark S (eds.). Green's Operative Hand Surgery (7th ed.). pp. 653–96. ISBN978-0-323-29534-5.
7. ^ ^abcAhn, A. K; Chang, D; Plate, A. M (2006). 'Triangular fibrocartilage complex tears: A review'(PDF). Bulletin of the NYU Hospital for Joint Diseases. 64 (3–4): 114–8. PMID17155920.
8. ^ ^abElkowitz, S. J; Posner, M. A (2006). 'Wrist arthroscopy'(PDF). Bulletin of the NYU Hospital for Joint Diseases. 64 (3–4): 156–65. PMID17155924.
9. ^ ^abHenry, M. H (2008). 'Management of acute triangular fibrocartilage complex injury of the wrist'. The Journal of the American Academy of Orthopaedic Surgeons. 16 (6): 320–9. PMID18524983.
10. ^Barlow, Susan J (2016). 'A Non-surgical Intervention for Triangular Fibrocartilage Complex Tears'. Physiotherapy Research International. 21 (4): 271–276. doi:10.1002/pri.1672. PMID27196674.
11. ^Argintar, Evan; Mantovani, Gustavo; Pavan, Alexandre (2010). 'TFCC Reattachment After Traumatic DRUJ Instability'. Techniques in Hand & Upper Extremity Surgery. 14 (4): 226–9. doi:10.1097/BTH.0b013e3181e34fee. PMID21107219.
12. ^Adams, Brian D; Berger, Richard A (2002). 'An anatomic reconstruction of the distal radioulnar ligaments for posttraumatic distal radioulnar joint instability'. The Journal of Hand Surgery. 27 (2): 243–51. doi:10.1053/jhsu.2002.31731. PMID11901383.
13. ^Johnston, K; Durand, D; Hildebrand, K. A (2009). 'Chronic volar distal radioulnar joint instability: Joint capsular plication to restore function'. Canadian Journal of Surgery. 52 (2): 112–8. PMC2663503. PMID19399205.
14. ^Wong, Kwok-Ho; Yip, Tak-Hing; Wu, Wing-Cheung (2004). 'Distal Radioulnar Joint Dorsal Instability Treated with Dorsal Capsular Reconstruction'. Hand Surgery. 9 (1): 55–61. doi:10.1142/S0218810404002133. PMID15368627.
15. ^Jui-Tien, Shih; Yao-Tung, Hou; Hung-Maan, Lee; Chuan-Ming, Tan; Ming-Chun, Chang (2016). 'Chronic Triangular Fibrocartilage Complex Tears with Distal Radioulna Joint Instability: A New Method of Triangular Fibrocartilage Complex Reconstruction'. Journal of Orthopaedic Surgery. 8 (1): 1–8. doi:10.1177/230949900000800102. PMID12468868.

External links[edit]

• orthoped/349 at eMedicine — 'Triangular Fibrocartilage Complex Injuries'
• Triangular_fibrocartilage_complex at the Duke University Health System's Orthopedics program

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