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Ulnar Styloid Fracture S52.613A 813.43

ulnar styloid process 
ICD-9 Classification / Treatment
Etiology  / Natural History Associated Injuries / Differential Diagnosis
Anatomy Complications
Clinical Evaluation Follow-up Care
Xray / Diagnositc Tests Review References

synonyms: ulna styloid processs fracture

Ulnar Styloid Fracture ICD-10

A- initial encounter for closed fracture

B- initial encounter for open fracture type I or II

C- initial encounter for open fracture type IIIA, IIIB, or IIIC

D- subsequent encounter for closed fracture with routine healing

E- subsequent encounter for open fracture type I or II with routine healing

F- subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

G- subsequent encounter for closed fracture with delayed healing

H- subsequent encounter for open fracture type I or II with delayed healing

J- subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

K- subsequent encounter for closed fracture with nonunion

M- subsequent encounter for open fracture type I or II with nonunion

N- subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

P- subsequent encounter for closed fracture with malunion

Q- subsequent encounter for open fracture type I or II with malunion

R- subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

 

S- sequela

Ulnar Styloid Fracture ICD-9

  • 813.43 Fracture of distal end of ulna; head lower end lower epiphysis styloid process

Ulnar Styloid Fracture Etiology / Epidemiology / Natural History

  • Commonly associated with distal radius fracture

Ulnar Styloid Fracture Anatomy

  •  Large ulnar styloid fractures include at least part fo the origin of the triangular fibrocartilage complex and may lead to radioulnar instability.

Ulnar Styloid Fracture Clinical Evaluation

  • Ulnar sided wrist pain and swelling.

Ulnar Styloid Fracture Xray / Diagnositc Tests

Ulnar Styloid Fracture Classification / Treatment

  • Nondisplaced
  • Displaced: involves >50% of the length of the styloid or displaced >2mm associated with DRUJ instability. (May MM, J Hand Surg 2002;27Am:965) Treatment = ORIF vs CRPP (k-wire, tension band, intraosseous suture)
  • Nonunion: Type-1 (DRUJ stable) =fracture through the tip of the styloid, treated with excision if symptomatic. Type-2(DRUJ unstable) = fracture through the base of the styloid, treated with ORIF and TFCC repair.( Hauck RM J Hand Surg 1996;21Am:418)
  • With associated distal radius fracture: unrepaired ulnar styloid fracture, even if displaced >2mm, does not influence function or outcome after ORIF of distal radius fractures (Souer JS, JBJS 2009;91A:830)

Ulnar Styloid Fracture Associated Injuries / Differential Diagnosis

Ulnar Styloid Fracture Complications

  • Nonunion
  • DRUJ instability
  • Malunion

Ulnar Styloid Fracture Follow-up Care

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Ulnar Styloid Fracture Review References