“…1 The change in the physiological concentration of ACP is regarded as a potential biomarker for the prognosis of several diseases, such as prostate cancer, hyperparathyroidism, Gaucher's disease, and bone-related disorders including Paget's disease. 2,3 Although serum is the most commonly used biological fluid for the detection of ACP, 4 urine could act not only as a non-invasive alternative for ACP detection but also as a more powerful alternative with the ability to differentiate between prostatic and renal ACP. Urine is a rich source of ACP not only due to prostatic secretions in males but also from kidney excretions in general, more specifically by the glomerulus.…”