10 November 2025
: Case report 
Preoperative Virtual Planning Combined with 3D-Printed Surgical Guide Technology for Correction of Shepherd’s Crook Deformity: A Case Report
Rare disease
Jiayi Wu ABCDEF 1, Haotian Zhu ABCDEF 2, Bo Shang BCF 1, Junjun Liang BC 1, Yunjin Long BC 3, Huanwen Ding ABCDEFG 1,2*, Han Yan ABCDEFG 1DOI: 10.12659/AJCR.949433
Am J Case Rep 2025; 26:e949433
Table 2 Summary of postoperative 2-week 3D anatomic measurement data.
| Parameter | Right side | Left side |
|---|---|---|
| Anteversion angle (°) | 27.76 | 10.41 |
| Neck-shaft angle (°) | 125.72 | 129.07 |
| Femoral angle (°) | 78.45 | 71.28 |
| Angle between mechanical axis and anatomical axis (°) | 6.18 | 5.53 |
| Tibial angle (°) | 170.03 | 169.02 |
| Femoro-tibial angle (°) | 170.03 | 169.02 |
| Hip-knee-condylar angle (°) | 176.21 | 175.29 |
| Lower-limb length (mm) | 707.25 | 716.25 |
| Shortening difference (mm) | 9 mm shortening |