FEMORAL PERIOSTEAL THICKENING IN PUSTULOTIC ARTHROOSTEITIS, INCLUDING3-YEAR FOLLOW-UP BY MAGNETIC-RESONANCE-IMAGING

We describe 2 female patients with femoral periosteal thickening, in a ssociation with signs of pustulotic arthroosteitis in the sternocostoc lavicular region and spine. In one patient, inflammatory changes were seen in muscular tissue surrounding this area of periosteal thickening , with fibrosis in the corresponding marrow. Over a period of up to 4 years after bone biopsy, cortical hyperostosis was observed spreading over a longer segment of her femoral diaphysis, while its thickness de creased over the longterm. Bone biopsy probably contributed to the str iking periosteal thickening surrounded by inflammatory lesions in the surrounding muscles of this patients.