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Archives of Orthopaedic and Trauma Surgery

, Volume 138, Issue 5, pp 739–742 | Cite as

Hypothenar hammer syndrome: caused by a muscle anomaly? A case report with review of the literature

  • Lea Estermann
  • Pascal Ducommun
  • Isabelle Steurer-Dober
  • Urs Hug
Handsurgery
  • 91 Downloads

Abstract

The hypothenar hammer syndrome (HHS) is a rare entity of secondary Raynaud’s phenomenon. The blunt hypothenar trauma causes a lesion of the vessel wall with a consecutive thrombosis or aneurysm of the ulnar artery at the Guyon’s canal. Different risk factors are discussed such as nicotine abuse, or a muscle anomaly in the Guyon’s canal. To date, there are five case reports published about muscle anomalies and HHS. We present a case of a 51-year-old shipbuilder with a unilateral HHS on his right dominant hand with a bilateral muscle anomaly. We successfully treated the patient by resection of the aneurysm without a resection of the atypical muscle.

Keywords

Hypothenar hammer syndrome Accessory abductor digiti minimi muscle Guyon’s canal Arterial thrombosis of the hand 

Notes

Funding

No funding has been obtained for this study.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

Ethical approval is not required.

Informed consent

Informed consent has been obtained from the patient included in this study.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Clinic for Hand and Plastic Surgery Cantonal Hospital of LucerneLucerne 16Switzerland
  2. 2.Clinic for Radiology Cantonal Hospital of LucerneLucerne 16Switzerland
  3. 3.Department of Hand SurgerySchulthess KlinikZurichSwitzerland

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