Dystrophic calcification in the skin occurs in association with a variety of disorders. To determine the association between subcutaneous calcification and chronic venous insufficiency, X-ray examinations were performed in 20 patients with chronic venous insufficiency and in 20 control subjects to detect latent calcification in their lower legs. Of the 20 patients, 13 (65%) had subcutaneous calcification, and the prevalence appeared to increase with disease duration, while only 4 control subjects (20%) had minimal calcification. Two types of calcification were identified based on their radiographic features: punctate and trabecular/reticular types. Patients with trabecular/reticular calcification had longer disease duration and more severe clinical scores than patients with punctate calcification. None of the control subjects had trabecular/reticular types of calcification. The identification of the presence and progression of latent calcification in the lower legs is useful, and may be necessary for the long-term management of chronic venous insufficiency, since calcification of skin tissues impedes wound healing and can be a risk factor for refractory ulcers.

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