case_images: PMC7276564_01
case_images: Magnetic resonance imaging (T2) sagittal image of the ankle showing the intra- and extra-articular extension of pigmented villonodular synovitis.
case_images: JOCR-10-16-g001.jpg
case_images: PMC7276564_01_JOCR-10-16-g001.jpg
case_images: F1
case_images: The mass had low signal intensity on T1 and signal dropout on T2-weighted images suggestive for PVNS (Fig. 1 and 2).
case_images: Magnetic resonance imaging (T1) sagittal image of the ankle showing the intra- and extra-articular extension of pigmented villonodular synovitis.
case_images: JOCR-10-16-g002.jpg
case_images: PMC7276564_01_JOCR-10-16-g002.jpg
case_images: F2
case_images: The mass had low signal intensity on T1 and signal dropout on T2-weighted images suggestive for PVNS (Fig. 1 and 2).
case_images: Arthroscopic appearance of the intra-articular mass.
case_images: JOCR-10-16-g003.jpg
case_images: PMC7276564_01_JOCR-10-16-g003.jpg
case_images: F3
case_images: A well-encapsulated rounded mass was found in the anterior aspect of the joint (Fig.3), while the talar and tibial cartilage surface were uninvolved.
case_images: The 5 cm x 2.5 cm mass removed.
case_images: JOCR-10-16-g004.jpg
case_images: PMC7276564_01_JOCR-10-16-g004.jpg
case_images: F4
case_images: The neo formation was carefully dissected from soft tissues and tendons sheath and entirely excised (Fig.4).