Traumatic Dislocation of the Long Finger Extensor Tendon at the Metacarpophalangeal Joint: A Case Report and Literature Review

We report a case of rotatory subluxation of the metacarpophalangeal joint (MCPJ) of the finger. A 40-year-old man sustained an open injury to his index finger following an explosive injury. Radiographs showed rotatory subluxation of the index finger MCPJ. The index finger extensor digitorium was found interposed in the MCPJ, with a complete tear of the radial collateral ligament. Treatment was by open reduction and repair of the collateral ligament and the extensor tendon. A high level of clinical suspicion is needed to diagnose this entity.

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Radial Dislocation of Extensor Tendon Over the Metacarpophalangeal Joint of the Thumb due to Cerebral Hemorrhage: A Case Report

The Journal of Hand Surgery (Asian-Pacific Volume) ◽

10.1142/s2424835519720032 ◽

2019 ◽

Vol 24 (01) ◽

pp. 96-99

Author(s):

Mineyuki Zukawa ◽

Ryusuke Osada ◽

Tomoatsu Kimura

Keyword(s):

Case Report ◽

Cerebral Hemorrhage ◽

Rare Case ◽

Extensor Tendon ◽

Metacarpophalangeal Joint ◽

Partial Resection ◽

Abductor Pollicis Brevis

We report a rare case of radial dislocation of the extensor tendon over the metacarpophalangeal (MCP) joint of the thumb. Ulnar dislocation has been reported, but previous reports have not mentioned radial dislocation of the extensor tendon in the thumb. Radial dislocation of the extensor tendon of the thumb gradually progressed after cerebral hemorrhage and the patient could not extend MCP joint of the thumb. To resolve difficulty in extending the MCP joint, surgical centralization of the extensor tendon and partial resection of the flexor pollicis brevis (FPB) and abductor pollicis brevis (APB) insertions was performed. The patient recovered function of thumb extensors.

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SPONTANEOUS ULNAR DISLOCATION OF THE INDEX, LONG, RING AND SMALL FINGER EXTENSOR TENDONS AT THE METACARPOPHALANGEAL JOINTS: A CASE REPORT

Hand Surgery ◽

10.1142/s0218810411005345 ◽

2011 ◽

Vol 16 (02) ◽

pp. 193-196 ◽

Cited By ~ 1

Author(s):

Katsuhisa Tanabe ◽

Takaya Nakajima ◽

Eiji Sogo

Keyword(s):

Rheumatoid Arthritis ◽

Congenital Anomaly ◽

Case Report ◽

Extensor Tendon ◽

Metacarpophalangeal Joint ◽

Extensor Digitorum ◽

Extensor Digitorum Communis ◽

Metacarpophalangeal Joints ◽

Extensor Tendons

Finger extensor tendon dislocation at the metacarpophalangeal joint is caused by various etiologies, such as trauma, congenital anomaly, or rheumatoid arthritis. When the dislocation occurs with no etiology, this is called spontaneous dislocation. Although spontaneous extensor tendon dislocation in one, two or three fingers has been described, to our knowledge, simultaneous dislocation in four fingers has not been reported. In this paper, we report a spontaneous ulnar dislocation of all the extensor tendons in the index, long, ring, and small fingers. Repair of the radial sagittal bands of the extensor digitorum communis of the middle and ring fingers reduced dislocation of all the extensor tendons in four fingers.

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Spontaneous Dislocation of the Extensor Tendons with Flexion and Ulnar Deviation Contracture of the Metacarpophalangeal Joint: A Case Report

Hand Surgery ◽

10.1142/s0218810403001376 ◽

2003 ◽

Vol 08 (01) ◽

pp. 97-101

Author(s):

Masaharu Makino

Keyword(s):

Case Report ◽

Extensor Tendon ◽

Metacarpophalangeal Joint ◽

Ulnar Deviation ◽

Metacarpophalangeal Joints ◽

Extensor Tendons ◽

Right Hand ◽

Intrinsic Muscles

A case with spontaneous extensor tendon dislocation was treated operatively. Right hand was more severely affected with contracture of the metacarpophalangeal joints. Centralisation of the extensor tendons and sectioning of ulnar intrinsic muscles sufficed correction of the pathology. No recurrence occurred in the last 24 months.

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Tendon Interposition In A Juxta-Epiphyseal Fracture Of The Proximal Phalanx

Journal of Hand Surgery (European Volume) ◽

10.1016/s0266-7681(98)80152-6 ◽

1998 ◽

Vol 23 (4) ◽

pp. 558-559 ◽

Cited By ~ 4

Author(s):

E. L. FREEDMAN ◽

R. A. VANDER GRIEND ◽

P. C. DELL

Keyword(s):

Case Report ◽

Literature Review ◽

Proximal Phalanx ◽

Extensor Tendon ◽

Epiphyseal Fracture ◽

Epiphyseal Fractures ◽

Tendon Interposition ◽

Type Of Fracture

Juxta-epiphyseal fractures of the proximal phalanx are relatively common. A case report and literature review calls attention to the possibility of entrapment of either a flexor or extensor tendon in this type of fracture.

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