case_images: PMC5237725_01
case_images: Magnetic resonance imaging sagittal plane view: cyst size.
case_images: CRIOR2017-4293104.001.jpg
case_images: PMC5237725_01_CRIOR2017-4293104.001.jpg
case_images: fig1
case_images: Based on magnetic resonance imaging (MRI), a 95 mm x 26 mm cystic lesion had located in soft tissue at the posterior of the gastrocnemius, with extensive synovial pannus inside; degeneration of the medial meniscus posterior horn was observed (Figure 1).
case_images: Arthroscopic view of pannus formation.
case_images: CRIOR2017-4293104.002.jpg
case_images: PMC5237725_01_CRIOR2017-4293104.002.jpg
case_images: fig2
case_images: Diagnostic arthroscopy was performed and intense synovial hypertrophy signs and pannus formation were detected (Figure 2).
case_images: Cyst aspiration material compatible with subacute inflammatory period.
case_images: CRIOR2017-4293104.003.jpg
case_images: PMC5237725_01_CRIOR2017-4293104.003.jpg
case_images: fig3
case_images: Lowviscosity cyst material flowed into the joint after controlling for the horizontal tear of the medial meniscus posterior horn with a probe (Figure 3).
case_images: Excision of the Baker's cyst by posteromedial incision.
case_images: CRIOR2017-4293104.004.jpg
case_images: PMC5237725_01_CRIOR2017-4293104.004.jpg
case_images: fig4
case_images: The cyst was reached by creating an approximately 9 cm posteromedial incision (Figure 4).