PMC7292158_01
CT shows enlarged para-aortic lymph node (a, arrow) and retroperitoneal tumor (b, arrow). After three cycles of BEP, there were marked reduction in para-aortic lymph node (c). The retroperitoneal tumor was reduced to 20 mm in diameter (d, arrow).
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CT revealed enlarged para-aortic lymph nodes and a retroperitoneal tumor (diameter, 45 mm) (Fig. 1). After three cycles of BEP, CT showed resolution of the swelling in para-aortic lymph nodes and marked reduction in the size of the retroperitoneal mass (Fig. 1).
The serum LDH was transiently increased after G-CSF administration in the middle of each course of chemotherapy.
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Although serum LDH and beta-HCG levels normalized immediately after the first course of BEP, serum LDH levels increased transiently at the end of each course of chemotherapy, and correlations were evident between LDH elevation and G-CSF use (Fig. 2).
LDH isoenzyme ratios were transiently changed during the third cycle of BEP. The percentages of LDH-3 and LDH-4 were increased after G-CSF use and returned to the normal pattern of isoenzyme ratios when total LDH normalized.
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We examined LDH isoenzymes during the third cycle of BEP (Fig. 3).