Urinary excretion of 5-S-cysteinyldopa in patients with primary melanoma or melanoma metastasis

Abstract
Urinary excretion of 5-S-cysteinyldopa was studied in 9 patients with primary melanoma. All had 5-S-cysteinyldopa excretion in the normal range. In 8 of the patients excretion values decreased after removal of the tumour. Twenty-four