Extensor Tendon Sheath Stenosis Resulting in Triggering of the Little Finger

O’Rourke, P.J.; O’Sullivan, T; Stephens, Michael M.

doi:10.1016/0266-7681(94)90139-2

Cited by 11 publications

(11 citation statements)

References 4 publications

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“…Seradge et al reported that the EDM tendon slips were served with an accessory pulley 2 cm distal to the distal end of the extensor retinaculum (Seradge et al, 1999). Others have made similar observations (Yamaguchi et al, 1984;O'Rourke et al, 1994;Rokkaku et al, 2004). O'Rourke reported that the triggering of the little finger seen in tenosynovitis of the 5th dorsal compartment was localized to a pulley on the dorsum of the wrist 4 cm proximal to the head of the fifth metacarpal (O'Rourke et al, 1994).…”

Section: Discussionsupporting

confidence: 64%

“…Others have made similar observations (Yamaguchi et al, 1984;O'Rourke et al, 1994;Rokkaku et al, 2004). O'Rourke reported that the triggering of the little finger seen in tenosynovitis of the 5th dorsal compartment was localized to a pulley on the dorsum of the wrist 4 cm proximal to the head of the fifth metacarpal (O'Rourke et al, 1994). A synovial septum was noted to be present around the pulley.…”

Section: Discussionsupporting

confidence: 64%

“…Previous reports examining tenosynovitis of the 5th dorsal compartment have suggested two possible etiologies: the first is the presence of EDM duplication (Hooper and McMaster, 1979;O'Rourke et al, 1994;Rokkaku et al, 2004) and the second is the presence of a long extensor sheath (Yamaguchi et al, 1984;O'Rourke et al, 1994). Seradge et al reported that the EDM tendon slips were served with an accessory pulley 2 cm distal to the distal end of the extensor retinaculum (Seradge et al, 1999).…”

Section: Discussionmentioning

confidence: 95%

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Anatomic variation of the 5th extensor tendon compartment and extensor digiti minimi tendon

et al. 2007

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Anatomic variation within the 5th extensor compartment may contribute to the development of tenosynovitis and limit the usefulness of the extensor digiti minimi (EDM) for tendon transfer. The purpose of this study was to assess the anatomic variation of the EDM tendon and its surrounding retinaculum, with particular attention to anatomical variation between specimens. Forty-one fresh cadaver hands were dissected. The length of the 5th compartment retinaculum was noted. The incidence of an intercompartmental septum was noted in each specimen as well as the type of tendinous attachments present between the EDM and extensor digitorum communis (EDC) tendons. The presence and length of any accessory retinacular bands distal to the edge of proper extensor retinaculum was also noted. Only one specimen contained a single EDM tendon, while 71% (n = 29) of specimens contained two slips and 23% (n = 9) had three slips; 24% (n = 10) of EDC tendons had no slip to the small finger, while 61% (n = 25) of specimens had a single slip to the small finger. The EDC's contribution to the small finger was found to be an independent tendon in 42% of cases (n = 17), while 34% (n = 14) of specimens were found to have a common EDC slip, which branched to both the ring and small finger. Three EDM tendons divided distal to the extensor retinaculum, while the remaining EDM tendons divided beneath or proximal to the extensor retinaculum. Seventy-three percent (n = 30) of the specimens had an accessory retinacular band surrounding the EDM tendon identified at the base of the 5th metacarpal. Eighty-eight percent (n = 36) of hands had a septum between the EDM slips. The surgeon should be aware of variability within the 5th dorsal compartment in cases of trauma and in cases of tendon transfer. In our series 30 of 41 specimens were noted to contain an accessory dorsal retinacular band surrounding the EDM and 36 specimens were noted to contain a septum within the 5th compartment. The presence of an accessory retinacular band surrounding the EDM at the level of the 5th metacarpal base is an anatomic finding that requires further investigation.

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Section: Discussionsupporting

confidence: 64%

Section: Discussionsupporting

confidence: 64%

Section: Discussionmentioning

confidence: 95%

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Anatomic variation of the 5th extensor tendon compartment and extensor digiti minimi tendon

et al. 2007

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“…O'Rourke et al 11 reported a case of triggering of the fifth finger as a result of constriction of the extensor tendon sheath. These authors localized this subject's triggering within the tendon sheath of the EDM distal to the tendon's division into its terminal slips (distal to the extensor retinaculum).…”

Section: Discussionmentioning

confidence: 98%

Extensor Tendon Triggering by Impingement on the Extensor Retinaculum: A Report of 5 Cases

Khazzam

Patillo

Gainor

2008

The Journal of Hand Surgery

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“…On extensive search, we found very few reports of extensor tendon triggering in the literature [4][5][6][7]. Extensor triggering is usually caused by disruption or laxity of the sagittal bands that stabilize the extensor digitorum communis tendon over the metacarpal head [3,8].…”

Section: Introductionmentioning

confidence: 99%

Extensor Triggering of Hand: A Rare Presentation and its Management

S¹,

Gafoor²,

Mahesh³

et al. 2016

JCR

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Abstract:Trigger finger commonly refers to flexor tendon triggering which occurs due to pathologic changes in first annular pulley or the flexor tendons. Extensor triggering is a rare condition caused by disruption or laxity of the sagittal bands that stabilize the extensor digitorum communis tendon over the metacarpal head.Here we are reporting a rare case of a 14 year old girl who presented with four year history of acquired idiopathic extensor triggering of multiple fingers of both hands. Physiotherapy and other modalities of conservative management failed to prevent triggering, hence surgical correction by the Carroll tendon slip procedure was performed to centralize the extensor tendon. She underwent post-operative rehabilitation and three year follow up showed excellent response to the treatment.

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Extensor Tendon Sheath Stenosis Resulting in Triggering of the Little Finger

Abstract: An isolated constriction of the tendon sheath of extensor digiti minimi caused triggering of the little finger. Incision of the tendon sheath resulted in recovery of frictionless gliding of the tendon.

Cited by 11 publications

References 4 publications

Anatomic variation of the 5th extensor tendon compartment and extensor digiti minimi tendon

Anatomic variation of the 5th extensor tendon compartment and extensor digiti minimi tendon

Extensor Tendon Triggering by Impingement on the Extensor Retinaculum: A Report of 5 Cases

Extensor Triggering of Hand: A Rare Presentation and its Management

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