His testicular mass required orchiectomy, which revealed a mixed NSGCT. Elevated tumor markers declined postoperatively, but the hCG level did not return to normal. CT of the thorax, abdomen and ...

In combination with established tumor markers, EDTA-plasma M2-PK is a useful ... are characterized by a high amount of the dimeric form of the pyruvate kinase isoenzyme type M2 (Tumor M2-PK).