Camptodactyly Caused by Abnormal Insertion and Origin of Lumbrical Muscle

1993 ◽  
Vol 18 (3) ◽  
pp. 310-311 ◽  
Author(s):  
A. MINAMI ◽  
T. SAKAI

A 12-year-old boy had camptodactyly of the little finger. Operative findings revealed an abnormal origin of the lumbrical muscle from the transverse carpal ligament, and abnormal insertion into the tendon sheath of the flexor digitorum superficialis tendon. No similar case has been reported in the literature.

1992 ◽  
Vol 17 (6) ◽  
pp. 661-664 ◽  
Author(s):  
T. OGINO ◽  
H. KATO

In five of six cases of camptodactyly in which an abnormality of the flexor tendon was examined at operation, the flexor digitorum superficialis tendon was hypoplastic and there was no continuity of the normal tendon between the muscle belly and bony insertion. The proximal end of the flexor digitorum superficialis tendon was attached to the palmar aponeurosis and the flexor tendon sheath of the ring finger in two patients, to the palmar aponeurosis in one, to the undersurface of the transverse carpal ligament in one and to the flexor tendon sheath of the ring finger in one. The tenodesis effect of the abnormal tendon of the flexor digitorum superficialis is considered to play an important role in the cause and rapid increase of the deformity of camptodactyly.


2019 ◽  
Vol 24 (01) ◽  
pp. 72-75
Author(s):  
Kenji Goto ◽  
Kiyohito Naito ◽  
Yoichi Sugiyama ◽  
Nana Nagura ◽  
Ayaka Kaneko ◽  
...  

Background: The aim of this study was to assess the height of nonunion formation injuring the ulnar-side finger flexor tendon, the positional relationship between the hook of the hamate and little finger flexor tendon was evaluated on CT scans. Methods: The subjects were 20 healthy patients (40 hands) (14 males and 6 females, mean age: 28 years old). Their hands were imaged in extension and flexion of the fingers on CT. The position of the little finger flexor tendon was determined regarding the height of the hook of the hamate as 100%. Results: The heights of the flexor digitorum profundus tendons were 46 ± 6% in extension and 44 ± 9% in flexion, and those of the flexor digitorum superficialis tendons were 87 ± 8% in extension and 91 ± 9% in flexion. Conclusions: Our study suggested that 40% of the base of the hook of the hamate does not contact with the flexor tendon, suggesting that flexor tendon injury is unlikely to occur in that region.


2021 ◽  
Vol 7 (6) ◽  
pp. 263-265
Author(s):  
Sheerin Shah ◽  
Renu Verma ◽  
Karanjit Singh ◽  
Rajinder Kumar Mittal ◽  
Ramneesh Garg

2016 ◽  
Vol 2016 ◽  
pp. 1-4
Author(s):  
Marie-Aimée Päivi Soro ◽  
Thierry Christen ◽  
Sébastien Durand

Closed tendon avulsion of both flexor tendons in the same finger is an extremely rare condition. We encountered the case of a patient who presented a rupture of the flexor digitorum profundus in zone 1 and flexor digitorum superficialis in zone 3 in the little finger. This occurrence has not been reported previously. We hereby present our case, make a review of the literature of avulsion of both flexor tendons of the same finger, and propose a treatment according to the site of the ruptures.


1989 ◽  
Vol 14 (4) ◽  
pp. 419-421
Author(s):  
P. R. FREWIN ◽  
L. R. SCHEKER

A case is reported where a flap cut of the radial slip of the flexor digitorum superficialis triggered on the proximal border of the A2 pulley within a healed intact tendon sheath. Shaving the flap resolved the problem. This illustrates another post-traumatic mechanical cause of triggering after partial division of flexor tendons.


Hand Surgery ◽  
2012 ◽  
Vol 17 (02) ◽  
pp. 255-257
Author(s):  
Yukio Abe ◽  
Yasuhiro Tominaga

We report a case of paradoxical extension phenomenon of the little finger, so called "lumbrical plus deformity" due to repetitive trauma to the ulnar side of the palm. The adhesion between the flexor digitorum profundus tendon and the lumbrical muscle was the cause of this phenomenon. The lumbrical muscle release was sufficient to solve this rare problem.


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