Surgical Management of Pisiform Bone Deformity Associated with Tendonitis of Flexor Carpi Ulnaris

Sung-Min Kwon; Jae-Hak Cha; Jin-Rok Oh

doi:10.12790/jkssh.2013.18.3.132

Journal List > J Korean Soc Surg Hand > v.18(3) > 1106434

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Kwon, Cha, and Oh: Surgical Management of Pisiform Bone Deformity Associated with Tendonitis of Flexor Carpi Ulnaris

Original Article

J Korean Soc Surg Hand 2013;18(3):132-137.

Published online: 12 September 2013

DOI: https://doi.org/10.12790/jkssh.2013.18.3.132

Surgical Management of Pisiform Bone Deformity Associated with Tendonitis of Flexor Carpi Ulnaris

Sung-Min Kwon, Jae-Hak Cha, Jin-Rok Oh

Department of Orthopedics, Yonsei University Wonju College of Medicine, Wonju, Korea

Correspondence to: Jin-Rok Oh Department of Orthopedics, Yonsei University Wonju College of Medicine, 20 Ilsan-ro, Wonju 220-701, Korea TEL: +82-33-741-1360 FAX: +82-33-742-1358 E-mail: jroh@yonsei.ac.kr

Received 1 July 201313 August 2013 Accepted 14 September 2013

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose:

This study was performed to investigate the degree of symptom improvement after removal of bone fragment in patients with deformed pisiform bone associated with tendonitis of flexor carpi ulnaris.

Methods:

Pisiform bone fragment removal was performed in 12 patients who had failed conservative treatment from January 2008 to December 2011. They were followed up at 2 weeks, 1 month, 2 months, 6 months, and 12 months after surgery. Their symptoms were assessed with Green score.

Results:

Eleven of 12 patients who underwent bone fragment removal showed symptom improvement. Symptoms worsened in 1 patient due to pain and restricted range of motion caused by postoperative scar.

Conclusion:

The results of this study suggest that removal of bone fragment may be an effective treatment in patients with tendonitis of flexor carpi ulnaris accompanied by pisiform bone deformity whose pain does not improve with conservative management.

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Keywords: Flexor carpi ulnaris, Pisiform bone, Surgical management, Wrist pain, Bone widening

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Fig. 1.

Bone widening of the pisiform bone in carpal tunnel X-ray view of the patient with tendonitis of flexor carpi ulnaris caused by repeated movement and inflammation.

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Fig. 2.

Radiograph and ultrasonograph of the patient with tendonitis of flexor carpi ulnaris. (A) Bone widening of the pisiform bone can be observed on radiograph. (B) Ultrasonograph also shows calcified tissues between the pisiform bone and flexor carpi ulnaris (FCU).

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Fig. 3.

Surgical technique on bone widening due to inflammation of the flexor carpi ulnaris. (A) The pisiform bone at the ulnar side of the palm was checked through palpation. (B) A V-shaped skin incision was made at the ulnar side to confirm the location of the pisiform bone. (C) The skin was retracted to obtain operative window, and the flexor carpi ulnaris was found after dissection of the soft tissue and the fascia. (D) The flexor carpi ulnaris was retract towards the radial side to expose the pisiform bone.

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Fig. 4.

Surgical technique on bone widening due to inflammation of the flexor carpi ulnaris. (A) The hypertrophied portion of the pisiform bone found after radial retraction of the flexor carpis ulnaris is marked and is resected. (D) Bone fragment after removal. (C) Carpal tunnel X-ray after bone fragment removal. (D) Bone fragments observed preoperative are not present.

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Table 1.

Primary diagnosis in local hospital

Diagnosis	Fracture	Tenosynovitis	Tumor	Normal
n	4	2	2	1

Table 2.

Symptoms and signs

Symptoms	Direct tenderness	Wrist flexion pain	Wrist extension pain	Ulnar deviation painNormal
n	12	8	9	6

Table 3.

Postoperative Green score

Green score	Excellent	Good	Fair	Poor
n=12	8	3	0	1

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