Persistent alpha-fetoprotein elevation in patients without viral hepatitis, cirrhosis, hepatocellular carcinoma: A report of six cases and literature review

Table 2 The actual alpha-fetoprotein and liver enzyme values during follow-up visits

Case	AFP levels (ng/mL) at different follow-up by months										Liver function test (U/L)
	0	6	12	18	24	30	36	42	48	54	AST	ALT	ALP
1	29.6	26.3	29.6	28.7	26.3	26.8	27.2	27	25.2	25.8	13-20	8-16	57-84
2	18.6	17.3	16.7	17.5	15.3	15.4	15.8	16.3	14.9	14.4	15-31	10-48	39-55
3	11.6	11.9	13.2	11.7	11.8	12.8	12.6	13.9	14	14.2	23-34	16-34	26-43
4	9.2	11.5	12.1	10.6	10.5	10.5	10.6				22-40	17-41	61-80
5	10.4	9.9	10.6	9.9	12.9	10	9.7				15-28	10-27	54-91
6	9.5	9.7	9.4	9	8.9	10.7	9.2	9.4	11.1	10.8	17-25	15-34	37-52

AFP: Alpha-fetoprotein; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; ALP: Alkaline phosphatase.