The diagnosis of AA in HD patients was earlier than in non-HD patients. HD patients with AA had atypical presentations and a poor prognosis especially those that presented with hyponatremia and a perforated appendicitis. Higher C-reactive protein was associated with the development of perforated appendicitis in HD patients.
A 56-year-old Chinese woman with end-stage renal disease (ESRD) on continuous ambulatory peri--toneal dialysis for 3 years suffered from progres--sive bilateral hip pain for months due to tumoral calcinosis (periarticular soft tissue calcification). She received lantha--num carbonate 1 tablet three times daily (total 2250 mg) as a non-calcium phosphate binder for hyperphosphate--mia-associated tumoral calcinosis (serum phosphate con--centration 9.3 mg/dL) for 6 months. To evaluate whether the tumoral calcinosis was reduced or not, she received an x-ray examination which showed starry radiopacities scat--tered all over the abdomen (Figure 1).
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