PMC7503792_01
Admission examination. Near the scar, showing a nodule that was oval in shape and hard.
gr1.jpg
PMC7503792_01_gr1.jpg
fig0005
Admission examination: a 1.0-cm long scar could be seen proximal, by approximately 6.0 cm, to the distal wrist flexor crease; near the scar, we could see a nodule that was oval in shape and hard (Fig. 1).
Palmaris longus tendon was observed to be broken, and the tendon was expanded at the end.
gr2.jpg
PMC7503792_01_gr2.jpg
fig0010
Dr Sun. During the operation, the palmaris longus tendon was observed to be broken, and the tendon was expanded at the end (Fig. 2).
Exploration of main trunk of the median nerve.
gr3.jpg
PMC7503792_01_gr3.jpg
fig0015
Exploration revealed that the main trunk of the median nerve was normal, PCBMN has been took off from the trunk of the median nerve, located on the radial side of the trunk, about 3 cm proximal to the wrist joint the PCBMN was compressed by the nodules formed by the rupture of the palmaris longus tendon(Fig. 3).
Hyperplastic tissue of the tendon.
gr4.jpg
PMC7503792_01_gr4.jpg
fig0020
With excision of the hyperplastic tissue of the tendon (Fig. 4), we found that compression of the palmar cutaneous branch was released.
Post operative assessment.
gr5.jpg
PMC7503792_01_gr5.jpg
fig0025
Post-intervention we inform patients to use neurotrophic drugs to observe the improvement of symptoms in the wrist and fingers, and further examinations are needed if necessary (Fig. 5, Fig. 6).
Post  operative assessment.
gr6.jpg
PMC7503792_01_gr6.jpg
fig0030