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61 yo M with knee pain. ? Medial meniscal tear. 61 yo M with knee pain. ? Medial meniscal tear. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain. Knee pain.
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Intramuscular dissection of Popliteal Cyst • Pop Cyst – fluid distension of the gastrocnemius-semimembranosus bursa • Joint fluid through a weakened posteromedial joint capsule • Usually extend inferomedially- path of least resistance • ? weakened fascia around muscle- predispose to IM dissection Skeletal Radiol. 2004 Jun;33(6):367-71. Epub 2004 Mar 9.
38 yo M with mass that developed over 6-8 weeks. No history of trauma Sag PD
38 yo M with mass that developed over 6-8 weeks. No history of trauma Sag T2
38 yo M with mass that developed over 6-8 weeks. No history of trauma Sag T2 FS
38 yo M with mass that developed over 6-8 weeks. No history of trauma Sag T1FS Gd
38 yo M with mass that developed over 6-8 weeks. No history of trauma Axail PD
38 yo M with mass that developed over 6-8 weeks. No history of trauma Axail T1
38 yo M with mass that developed over 6-8 weeks. No history of trauma Axail T1FS Gd
38 yo M with mass that developed over 6-8 weeks. No history of trauma Axail T1FS Gd
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
13 y.o male with right knee pain for several months. Osgood-Schlatter’s clinically. ? Osteochondral lesion
OCD • Juvenile OCD usually between 10-20 yrs • Athletically active children • Classic location – lateral aspect of medial femoral condyle • Believed to be due to repetitive microtrauma
OCD • Stable lesions in skeletally immature pts – conservative management • Subchondral bone attached to cartilage or not - • Hyaline cartilage lacks blood vessels and has limited ability to heal
Evolution of OCD Osteochondritis (osteochondrosis) dissecans: a review and new MRI classification.Eur Radiol. 1998;8(1):103-12. Review.
Osteochondritis dissecans of the knee in children.Curr Opin Pediatr. 2003 Feb;15(1):38-44. Review