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Ulnar nerve palsy following closed fracture of the distal radius: a report of 2 cases.

Cho CH, Kang CH, Jung JH - Clin Orthop Surg (2010)

Bottom Line: Ulnar nerve palsy subsequent to a fracture of the distal radius is extremely rare compared to a median nerve injury.We report 2 cases of progressive ulnar nerve palsy subsequent to closed fractures of the distal radius.It is recommended that cases with high-energy, widely displaced or comminuted fractures of the distal radius be evaluated carefully for ulnar nerve as well as median nerve injury.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopaedic Surgery, Dongsan Medical Center, Keimyung University College of Medicine, Daegu, Korea.

ABSTRACT
Ulnar nerve palsy subsequent to a fracture of the distal radius is extremely rare compared to a median nerve injury. The lesion tends to occur in younger patents with a high-energy mechanism of injury and a severe injury pattern consisting of wide displacement, comminution, combined distal ulnar fracture and open fracture. The mechanism of injury can contribute to a direct contusion and traction, compression secondary to prolonged edema and tissue fibrosis, intraneural fibrosis and laceration. We report 2 cases of progressive ulnar nerve palsy subsequent to closed fractures of the distal radius. The neurological symptoms recovered in all cases who underwent nerve decompression and neurolysis at 2 or 3 months after the trauma. It is recommended that cases with high-energy, widely displaced or comminuted fractures of the distal radius be evaluated carefully for ulnar nerve as well as median nerve injury.

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Related in: MedlinePlus

Photograph shows swelling and compression by the surrounding tissue fibrosis of the ulnar nerve at the level of Guyon's canal.
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Figure 4: Photograph shows swelling and compression by the surrounding tissue fibrosis of the ulnar nerve at the level of Guyon's canal.

Mentions: At 8 weeks postoperatively, ulner nerve exploration, decompression and neurolysis was performed due to the lack of improvement in the neurological symptoms. The intraoperative findings revealed swelling of the ulnar nerve and adhesion by the adjacent fibrous tissues (Fig. 4). The neurological symptoms began to improve at the 4th week since the nerve exploration. At 1 year postoperatively, minor numbness was felt in the 4th finger and 5th finger but the clawhand deformity had disappeared.


Ulnar nerve palsy following closed fracture of the distal radius: a report of 2 cases.

Cho CH, Kang CH, Jung JH - Clin Orthop Surg (2010)

Photograph shows swelling and compression by the surrounding tissue fibrosis of the ulnar nerve at the level of Guyon's canal.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2824096&req=5

Figure 4: Photograph shows swelling and compression by the surrounding tissue fibrosis of the ulnar nerve at the level of Guyon's canal.
Mentions: At 8 weeks postoperatively, ulner nerve exploration, decompression and neurolysis was performed due to the lack of improvement in the neurological symptoms. The intraoperative findings revealed swelling of the ulnar nerve and adhesion by the adjacent fibrous tissues (Fig. 4). The neurological symptoms began to improve at the 4th week since the nerve exploration. At 1 year postoperatively, minor numbness was felt in the 4th finger and 5th finger but the clawhand deformity had disappeared.

Bottom Line: Ulnar nerve palsy subsequent to a fracture of the distal radius is extremely rare compared to a median nerve injury.We report 2 cases of progressive ulnar nerve palsy subsequent to closed fractures of the distal radius.It is recommended that cases with high-energy, widely displaced or comminuted fractures of the distal radius be evaluated carefully for ulnar nerve as well as median nerve injury.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopaedic Surgery, Dongsan Medical Center, Keimyung University College of Medicine, Daegu, Korea.

ABSTRACT
Ulnar nerve palsy subsequent to a fracture of the distal radius is extremely rare compared to a median nerve injury. The lesion tends to occur in younger patents with a high-energy mechanism of injury and a severe injury pattern consisting of wide displacement, comminution, combined distal ulnar fracture and open fracture. The mechanism of injury can contribute to a direct contusion and traction, compression secondary to prolonged edema and tissue fibrosis, intraneural fibrosis and laceration. We report 2 cases of progressive ulnar nerve palsy subsequent to closed fractures of the distal radius. The neurological symptoms recovered in all cases who underwent nerve decompression and neurolysis at 2 or 3 months after the trauma. It is recommended that cases with high-energy, widely displaced or comminuted fractures of the distal radius be evaluated carefully for ulnar nerve as well as median nerve injury.

Show MeSH
Related in: MedlinePlus