Arterial myopericytoma resulting in Guyon's canal syndrome

2016 ◽  
Vol 35 (3) ◽  
pp. 231-233 ◽  
Author(s):  
A. Michot ◽  
B. Chaput ◽  
J.-M. Alet ◽  
P. Pelissier
Keyword(s):  
Guyon’S Canal ◽  
Guyon's Canal ◽  
Canal Syndrome

Guyon’s Canal Syndrome with Ganglion Cyst Compression from Baby-Holding Overuse

2020 ◽  
Vol 82 (6) ◽  
pp. 1252-1254
Author(s):  
Chiang Yi Chun ◽  
Wang Chi Yu ◽  
Wang Chih Hsin
Keyword(s):  
Ganglion Cyst ◽  
Guyon’S Canal ◽  
Guyon's Canal ◽  
Canal Syndrome

Pre- and Postoperative Guyon’s Canal Pressure Change in Endoscopic Carpal Tunnel Release: Correlation with Transient Postoperative Guyon’s Canal Syndrome

2009 ◽  
Vol 34 (2) ◽  
pp. 208-211 ◽  
Author(s):  
I. OKUTSU ◽  
I. HAMANAKA ◽  
A. YOSHIDA
Keyword(s):  
Carpal Tunnel ◽  
Carpal Tunnel Release ◽  
Pressure Change ◽  
Active Power ◽  
Guyon’S Canal ◽  
Pneumatic Tourniquet ◽  
Endoscopic Carpal Tunnel Release ◽  
Carpal Tunnel Release Surgery ◽  
Guyon's Canal ◽  
Canal Syndrome

Perioperative Guyon’s canal and carpal canal pressure in one-forearm portal endoscopic carpal tunnel release surgery were measured in resting position and during active power gripping in 66 hands. This was done using the continuous infusion technique with a local anaesthetic and without pneumatic tourniquet. Immediate mean postoperative Guyon’s canal and carpal canal pressure decreased in both measurements. During active power gripping, postoperative Guyon’s canal pressure was less than 40 mmHg in 61 hands, however, this increased to over 40 mmHg in five hands. In these five hands, Guyon’s canal syndrome did not develop. Guyon’s canal and carpal canal pressures were only correlated during postoperative active power gripping. It remains unclear whether immediate postoperative Guyon’s canal pressure correlates with higher pressures a few days later as reported in cases of transient postoperative Guyon’s canal syndrome.

Guyon’s Canal Syndrome

1997 ◽  
Vol 22 (1) ◽  
pp. 52-53 ◽  
Author(s):  
T. HIROOKA ◽  
H. HASHIZUME ◽  
M. NAGOSHI ◽  
Y. SHIGEYAMA ◽  
H. INOUE
Keyword(s):  
Muscle Atrophy ◽  
Fibrous Band ◽  
Guyon’S Canal ◽  
Deep Branch ◽  
First Dorsal Interosseous Muscle ◽  
Abductor Digiti Minimi ◽  
Guyon's Canal ◽  
Canal Syndrome ◽  
Dorsal Interosseous Muscle ◽  
Hypothenar Muscle

An atypical case of Guyon’s canal syndrome is reported. A 40-year-old woman with hypoaesthesia and claw-finger deformity of the little finger, hypothenar muscle atrophy but no first dorsal interosseous muscle atrophy, underwent release of a fibrous band to decompress the ulnar nerve at the deep branch just proximal to the branch to the abductor digiti minimi muscle. The claw-finger deformity recovered 1 week after surgery.

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