This case report documents the first standing laparoscopic cryptorchidectomy performed on a Jeju horse. A 3-year-old Jeju horse underwent the procedure after pre-operative fasting and sedation. Three portals were created:one for the laparoscope and two for instruments. The first undescended testis was located, double ligated for blood flow control, and then transected. Hemostasis was confirmed. The procedure was repeated for the other undescended testis. The time required for this procedure was approximately 2 hours. The horse was hospitalized overnight for monitoring before being discharged the following day. No complications were observed during or after surgery.

A 2-year-old male Thoroughbred presented with the right hindlimb lameness for the past 3 months. The horse showed swelling around the right stifle. Radiography revealed radiolucency in the medial condyle of the right femur, indicative of subchondral cystic lesion. The horse underwent surgery under general anesthesia. Acortical screw was located on serial radiographs. After placing the screw in the medial condyle, arthroscopy was performed to identify lesions in the femorotibial joint; however, no significant findings were observed. The horse recovered smoothly from anesthesia with assistance and was discharged 1 day later.The owner reported the horse did not show lameness; it returned to training and started racing. This report describes transcondylar screw fixation in a horse with a subchondral bone cyst in South Korea, and suggests that bone screw fixation is an effective treatment for subchondral cystic lesions of the femoral condyle.