Efficacy analysis of F4.8 visual nephroscope under ultrasound-guided spermatic cord block in
the treatment of benign epididymal tumors
LI Can-qiang, XU Le, LIANG Hong-yi, QIU Min-jie, YANG Yi
Objective To evaluate the safety and efficacy of F4.8 visual nephroscope in the diagnosis and treatment of
epididymal benign mass under ultrasound-guided spermatic cord block. Methods A total of 82 patients with epididymal
masses were randomly divided into the blind puncture group and the ultrasound-guided puncture group, with 41 cases in
each group. All patients underwent scrotal surgery with F4.8 visual nephroscope. In the blind puncture group, spermatic cord
block was performed by blind puncture at the outer ring of inguinal canal. The ultrasound-guided puncture group completed
spermatic cord block with color doppler ultrasound diagnostic instrument. The operation condition, perioperative
complications, success rate of spermatic cord block, vascular complications, addition of anesthetic drugs during operation
and change of anesthesia mode were recorded. Visual analogue scale (VAS) was used to evaluate the pain after operation, and
the patients were followed up. Results The total of 64 patients with epididymal cysts underwent endoscopic holmium laser
capsulotomy. Eighteen patients with solid tumors of epididymis were diagnosed as incomplete torsion of epididymal
appendages under microscope and underwent holmium laser resection. Compared with the blind puncture group, the success
rate of spermatic cord block was higher, the incidence of vascular complications and the change rate of anesthesia mode were
lower in the ultrasound-guided group (P<0.05). There was no significant difference in the addition rate of narcotic drugs
between the two groups. The VAS at 5 min and 2 h after operation and the total cost of hospitalization were lower in the
ultrasound-guided group than those in the blind puncture group (P<0.05). There were no significant differences in 6 h VAS
and 12 h VAS after operation and hospital stay between the two groups. The patients were followed up 1 month, 3 months and
12 months after operation. No abnormality was found in testis, epididymis and spermatic cord. Conclusion The technique of F4.8 visual nephroscope under ultrasound-guided spermatic cord block is safe and effective in the treatment of epididymal
benign mass. It can be used as an ideal inspection and treatment method, and it is worth promoting.