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. 1985 May;51(5):625–629. doi: 10.1038/bjc.1985.94

Placental alkaline phosphatase as a tumour marker in seminoma using the H17 E2 monoclonal antibody assay.

A Horwich, D F Tucker, M J Peckham
PMCID: PMC1977054  PMID: 3994907

Abstract

Serum samples from 62 patients with seminoma were assayed for placental alkaline phosphatase-like activity using the monoclonal antibody H17 E2, in order to evaluate its utility as a serum tumour marker. Fifteen of 16 patients (94%) with active seminoma had elevated serum PLAP levels. Sixteen of 46 (35%) of patients considered to be in remission had elevated PLAP levels (false positive rate 35%). Fifteen false positive results were considered attributable to concomitant smoking, and if these patients are excluded, only one false positive case was detected. In 7 out of 7 patients sequential PLAP assays reflected clinical response to treatment.

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Selected References

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