[5-S-cysteinyldopa determination in the urine. Its value for monitoring in melanoma patients].
In case of uncharacteristic patient complaints or slightly pathologic BSR or liver enzyme levels in patients, suffering from melanoma, the determination of 5-S-cysteinyldopa in the 24-h-urine may be of great diagnostic value. If the complaints and the pathologic values are early symptoms and signs of generalized metastases being clinically not yet manifest, the excretion of 5-S-cysteinyldopa in the urine is often increased. In such cases, a thorough and possibly invasive search for metastases is indicated.
D003548:Cysteinyldopa / Q000652:urine*; D004295:Dihydroxyphenylalanine / Q000031:analogs & derivatives*; D006801:Humans; D007536:Isomerism; D008545:Melanoma / Q000652:urine*; D009362:Neoplasm Metastasis; D012878:Skin Neoplasms / Q000652:urine*
D003548:Cysteinyldopa; D004295:Dihydroxyphenylalanine
5-S-Cysteinyldopa-Bestimmung im Urin. Ihr Wert für die Verlaufsbeobachtung von Melanom-Patienten.