Presentation
Increasing left knee pain and swelling for 9 months, which started after trauma to the knee.
Patient Data
Age: 50 years
Gender: Female
From the case:
Hoffa's fat pad ganglion cyst
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/72855/annotated_viewer_json?iframe=true\u0026lang=us"}
A lobulated fluid signal cystic lesion is noted within the medial aspect of the infra-patellar Hoffa's fat pad with a downward extension around the medial aspect of the patellar tendon. It measures 21 x 33 x 45 mm in its maximal diameter.
Small Baker's cyst measuring about 8 x 21 mm also is seen at the posteromedial aspect of the knee joint.
Patella chondromalacia as cartilage fraying associated with subchondral cystic changes is seen at the medial facet joint.
Case Discussion
Hoffa's fat pad ganglion cyst with a downward extension.