ArticleJMA journal2024
Availability of Serum Levels of Carbohydrate Antigen 19-9 (CA19-9) as a Surrogate Tumor Marker for Papillary Thyroid Carcinoma.
Article in JMA journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Circulating Biomarkers of Thyroid Cancer: An Appraisal.Journal of clinical medicine · 2025Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Thyroglobulin (Tg) is a very sensitive and specific marker in patients who have undergone total thyroidectomy for papillary thyroid carcinoma (PTC). However, the presence of a Tg antibody (TgAb) interferes with Tg immunometric assays, making Tg levels unreliable indicators. There are currently no other tumor markers to monitor in patients with PTC whose serum is TgAb-positive. Thus, we investigated whether carbohydrate antigen 19-9 (CA19-9) can be used as a tumor marker for PTC. Methods: We retrospectively analyzed 196 consecutive patients with PTC (maximum diameter ≥ 2 cm). The serum CA19-9 and Tg values of each patient were obtained before and 0.5-1 month postsurgery. Immunohistochemical staining for PTC was performed using an antibody against CA19-9. Results: High pre-surgery serum levels of CA19-9 were observed in 6.1% of the patients. Postsurgery, serum CA19-9 levels in all 196 patients decreased considerably and were within the normal range. CA19-9 expression was detected in 28 of 62 PTCs (45.2%) and was detected at various degrees and ranges in conventional PTC histology. Conclusions: Although further studies with longer follow-ups are necessary, serum CA19-9 levels may serve as a surrogate tumor marker for PTC in place of serum Tg levels sin some patients.
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