Association between Tumor-Infiltrating Lymphocytes and Histopathological Types of Thyroid Carcinoma in Department of Anatomical Pathology, University of Indonesia/Dr. Cipto Mangunkusumo National Central General Hospital

Authors

  • Fanny Kamarudy Lay Departemen Patologi Anatomik, Fakultas Kedokteran, Universitas Indonesia
  • Agnes Stephanie Harahap Departemen Patologi Anatomik, Fakultas Kedokteran, Universitas Indonesia
  • Maria Francisca Ham Departemen Patologi Anatomik, Fakultas Kedokteran, Universitas Indonesia

DOI:

https://doi.org/10.55816/mpi.v32i2.618

Keywords:

thyroid carcinoma, histopathological type, aggressive, tumor-infiltrating lymphocytes

Abstract

Background

The presence of tumor-infiltrating lymphocytes (TILs) has been widely explored as one of the factors that can affect the success of immunotherapy in various cancers. This study aims to investigate the TILs in various types of thyroid carcinoma (TC) and its association with the aggressive histopathological type compared to the less aggressive histopathological type of TC.

Methods

The population covered by this retrospective study was TCs diagnosed at the Department of Anatomic Pathology, Faculty of Medicine, University of Indonesia/Dr. Cipto Mangunkusumo National Central General Hospital, period 2015-2019. The research sample was divided into group of TCs with aggressive histopathological type and less aggressive histopathological type with a total of 25 samples for each group. TILs was calculated in 10 high power fields (HPF) with 400 kali magnification. The analyses were conducted using Mann-Whitney and Kruskal Wallis test.

Results

TILs count was found with a median value of 43 (3-660) in the aggressive histopathological group and 36 (9-387) in the less aggressive histopathological group (p:0.96, CI:95%). The highest TILs was found in anaplastic thyroid carcinoma (ATC) and papillary thyroid carcinoma (PTC) with anaplastic components. TILs count was also found with a median value of 17.5 (3-75) in male and 48 (9-660) in female (p:0.02, CI:95%).

Conclusion

There was no significant association between TILs and histopathological types of TC (aggressive and less aggressive). However, there is a tendency for high TILs in ATC and PTC with anaplastic components. There is also a significant difference in TILs between male and female gender.

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Published

2023-05-25

Issue

Section

Articles