Camurati-Englemann Disease Etiology: failed bone resorptionImaging: symmetrical undertubulation, dense enlarged diametaphysis Radiology Cases of Camurati-Englemann Disease AP radiographs of the hip (right), knee (center) and bilateral tibiae and fibulae show symmetrical undertubulation of the right femur and bilateral tibiae manifested as densely enlarged diametaphyses in the femur and tibiae.