PMC4643155_01
X-ray of right knee joint showing the radiodence body. Anteroposterior (a) and lateral (b) X-ray of the knee
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Antero-posterior and lateral knee X-rays showed degenerative changes and a giant, irregular, calcific mass which started below patella and extended to suprapatellar area (Figure 1).
MRI T-2 image showing the effusion, synovial hypertrophy and a loose calcific body (a, b)
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Scalloping was observed at tibial and femoral surfaces (Figure 2).
Right knee joint exposed by medial parapatellar approach, a large loose body lying in front of intercondylar notch (a, b, c, d)
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Intraarticular mass was exposed (Figure 3).
A large loose body of around 20x19x6 cm extracted from the knee joint (a, b c)
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The mass was released from surrounding tissues by blunt excision and excised with enucleation (Figure 4).
Histopathology slide of the loose body showing lobules of cartilage without cellular atypia (a, b c)
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Pathology evaluation showed that the mass was consistent with synovial chondromatosis (Figure 5).
Radiographic findings after the removal of large loose body. Anteroposterior (a) and lateral (b) X-ray of the knee
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There was no pain or other complaints (Figure 6).