LYTIC EPIPHYSEAL LESIONS - H.U.C.

• Benign lesions located in the subchondral boneadjacent to the joint• Usually found incidentally in young adults• Surrounded by a sclerotic border on radiographsand are smaller than the average epiphysealtumor• Favored sites include the proximal tibia and themedial malleolus• At RMI they are of homogeneous fluid signalintensity, but may be loculate. After IVgadolinium, a peripheral rim of enhancementdue to surrounding connective tissue is common