This is a study exploring measurable markers in the blood of patients with testicular tumors. The investigators will focus on the importance of measuring and analyzing these markers for their prognostic value and predictive response to treatment.
Adult patient, male, with a clinical and biological diagnosis of germ cell tumor of the testis in pre-orchidectomy, at the stage of the disease and any histological subtype of germ cell tumor
Affiliation with a Social Security organization
Able to give informed consent to participate in the research.
Patient with a hepatobiliary pathology
Patient treated with Colestyramine
Patient who has undergone cholecystectomy or extensive resection of the small intestine
Patient deprived of liberty