Updated: 6/12/2021

TKA Other Complications

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Questions
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Evidence
46
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Videos / Pods
6
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Cases
3
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Techniques
3
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  • Introduction
    • The topic TKA - Other complications has been broken into separate topics. Click the arrows below to review those topics.
      • neurovascular
        • vascular injury and bleeding
        • peroneal nerve injury
      • extensor mechanism
        • patellar prosthesis loosening
        • patellar clunk
        • patellar maltracking
        • extensor mechanism rupture
      • other
        • periprosthetic infection
        • periprosthetic fracture
        • metal hypersensitivity
        • wound complications
        • instability (tibio-femoral)
        • stiffness
Technique Guides (3)
Flashcards (0)
Cards
1 of 0
Questions (1)

(SAE07HK.96) Figures 57a through 57c show the radiographs of a patient who has pain, discomfort, and a popping sensation localized to the posterior aspect of the knee after undergoing primary left total knee arthroplasty 6 months ago. Examination reveals that the patient is able to ambulate without a limp. There is no significant swelling, erythema, or effusion. Range of motion is 0 degrees to 115 degrees, and a palpable crepitation or snapping is detected at the posterior lateral joint line. What is the most likely diagnosis?

QID: 6056
FIGURES:
1

Popliteal snapping syndrome

78%

(388/498)

2

Patellar clunk syndrome

9%

(47/498)

3

Subluxation secondary to a tight posterior cruciate ligament

6%

(28/498)

4

Soft-tissue irritation secondary to retained polymethylmethacrylate

4%

(20/498)

5

Patellar subluxation secondary to a tight lateral retinaculum

3%

(13/498)

L 2 E

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Evidence (46)
VIDEOS & PODCASTS (6)
CASES (3)
EXPERT COMMENTS (16)
Private Note