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Conventional Chondrosarcoma Diagnosed After Total Knee Arthroplasty: A Case Report
Hannah A Morehouse1, David J Wilson2, Christopher P Cannon3
1Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814.
JBJS Case Connector
|December 19, 2017
Summary
A rare case of chondrosarcoma within the joint space was diagnosed after total knee arthroplasty. Early detection and treatment of suspicious tumors are crucial for better outcomes in patients undergoing joint replacement surgery.
Area of Science:
- Orthopedic Surgery
- Oncology
- Pathology
Background:
- Persistent pain and mass after total knee arthroplasty (TKA) can indicate complications.
- Intra-articular periprosthetic masses require thorough investigation.
Purpose of the Study:
- To report a unique case of chondrosarcoma diagnosed post-TKA.
- To highlight the importance of early tumor detection in TKA patients.
Main Methods:
- A patient with persistent post-TKA pain and an enlarging mass underwent diagnostic procedures.
- Biopsy confirmed intermediate-grade chondrosarcoma involving the joint space.
Main Results:
- Nonoperative treatment and arthroscopic debridement were ineffective.
- The patient required above-the-knee amputation due to tumor extent.
- Widespread metastatic disease led to the patient's death.
Conclusions:
- This is the first reported instance of joint space chondrosarcoma diagnosed after TKA.
- Increased clinical awareness and prompt diagnosis/treatment of tumors are vital for patients undergoing or awaiting joint arthroplasty.
