📚 Campbell Ch.10: Knee Preservation Surgery
A 34-year-old man has chronic grade III posterolateral corner instability with an 8-degree varus deformity and wants a single procedure. Which strategy best addresses both?
A 34-year-old man has chronic grade III posterolateral corner instability with an 8-degree varus deformity and wants a single procedure. Which strategy best addresses both?
Anonymous Quiz
10%
Lateral closing-wedge HTO alone to correct the malalignment
15%
Fibular-based PLC reconstruction now, osteotomy only if arthritis develops
25%
One-stage lateral closing-wedge HTO with acute PLC reconstruction
50%
Medial opening-wedge HTO then mandatory staged PLC reconstruction at 3 months
0%
Medial opening-wedge HTO alone; most such knees need no second ligament procedure
📚 Campbell Ch.10: Knee Preservation Surgery
🌟 Sᴀʟᴀᴍ Aʙᴀʏᴀᴄʜɪ
A 34-year-old's knee stays stiff after femoral nailing; the depicted release is complete but flexion remains inadequate. What is added, and how is the limb splinted?
🌟 Sᴀʟᴀᴍ Aʙᴀʏᴀᴄʜɪ
A 34-year-old's knee stays stiff after femoral nailing; the depicted release is complete but flexion remains inadequate. What is added, and how is the limb splinted?
Anonymous Quiz
37%
Z-lengthening of the rectus femoris tendon; splint ~50° less than maximal flexion, then CPM
16%
Quadriceps VY turndown; cast in full extension for 3 weeks
5%
Release of vastus intermedius from the femur; brace locked at 90°
26%
Z-lengthening of the rectus femoris; splint in maximal flexion for 3-4 weeks
16%
Distal rectus tenodesis to the patella; CPM deferred until day 7
📚 Campbell Ch.10: Knee Preservation Surgery
Runner with isolated medial joint-line pain; maximal tenderness just below the joint line at the depicted bursa. One steroid injection fails. What MRI sign and next step?
Runner with isolated medial joint-line pain; maximal tenderness just below the joint line at the depicted bursa. One steroid injection fails. What MRI sign and next step?
Anonymous Quiz
10%
Inverted-U fluid deep to the ligament; inject once more, then semitendinosus transfer
35%
Inverted-U fluid deep to the ligament; MRI/arthroscopy to exclude derangement or stress fx
20%
Fish-hook fluid over the ligament; urgent exploration for septic bursitis
15%
Geode-like erosion beneath the ligament; arthroscopic debridement of the bursa
20%
Complex cyst between meniscus and ligament; excise, it never resolves
📚 Campbell Ch.10: Knee Preservation Surgery
In the posteromedial cyst excision depicted (patient supine, knee flexed 90°), where does the capsular incision begin, and how is a lax posterior oblique ligament handled at closure?
In the posteromedial cyst excision depicted (patient supine, knee flexed 90°), where does the capsular incision begin, and how is a lax posterior oblique ligament handled at closure?
Anonymous Quiz
26%
Between adductor tubercle and medial epicondyle; imbricate over the semimembranosus
5%
Posterior to the iliotibial band at the joint line; it re-tensions spontaneously
42%
Between epicondyle & adductor tubercle behind the TCL; advance it onto the epicondyle
26%
Anterior to the semimembranosus tendon; reef it to the oblique popliteal ligament
0%
Midline between the gastrocnemius heads; excise it with the cyst wall
📚 Campbell Ch.10: Knee Preservation Surgery
🌟 Sᴀʟᴀᴍ Aʙᴀʏᴀᴄʜɪ
In the depicted medial opening-wedge osteotomy, parallel 0.062 K-wires guide the saw. What is their target, minimum joint distance, and hinge width?
🌟 Sᴀʟᴀᴍ Aʙᴀʏᴀᴄʜɪ
In the depicted medial opening-wedge osteotomy, parallel 0.062 K-wires guide the saw. What is their target, minimum joint distance, and hinge width?
Anonymous Quiz
27%
Proximal fibular head; 2 cm to joint; 5-mm lateral hinge
15%
Fibular tip; 1 cm to joint; 2-cm hinge
19%
Proximal half of the fibular head; 2 cm to joint; 1-cm hinge
35%
Proximal half of the fibular head; ≥1.5 cm to the articular surface; ≥1-cm lateral hinge
4%
Lateral tibial spine; 1.5 cm to joint; 1.5-cm hinge
📚 Campbell Ch.10: Knee Preservation Surgery
Valgus knee corrected at 10 years by the osteotomy shown. What deformity threshold mandates this correction, and how do outcomes compare with arthroplasty in active patients under 65?
Valgus knee corrected at 10 years by the osteotomy shown. What deformity threshold mandates this correction, and how do outcomes compare with arthroplasty in active patients under 65?
Anonymous Quiz
18%
Valgus >8°; superior function vs TKA at 10 years
21%
Valgus >20° or joint plane >15° off horizontal; identical results to UKA
15%
Any valgus with MCL laxity; 91% 10-year survival
13%
Tibial deformity >12°; better knee scores than TKA
33%
Valgus >12-15° or joint plane >10° off horizontal; results do not differ from TKA
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