One pitfall in 24-hour urine collection is the input of incorrect urinary volume by the reference laboratory. This may lead to an incorrect diagnosis of pheochromocytoma or paraganglioma. A ...
Background Evaluating urinary uric acid excretion (UUE) has important clinical utilities [1]; however, 24-h urine collection is usually required ... to calculate estimated UUE (eUUE): eUUE (mg/24 hr) ...