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Erschienen in: Annals of Surgical Oncology 5/2023

15.12.2022 | Translational Research

Prognostic Significance of the Histopathological Growth Pattern and Tumor-Infiltrating Lymphocytes in Stratifying Survival After Hepatectomy for Colorectal Liver Metastases

verfasst von: Hiroki Kanno, MD, PhD, Toru Hisaka, MD, PhD, Kenji Fujiyoshi, MD, PhD, Jun Akiba, MD, PhD, Kazuaki Hashimoto, MD, Fumihiko Fujita, MD, PhD, Yoshito Akagi, MD, PhD

Erschienen in: Annals of Surgical Oncology | Ausgabe 5/2023

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Abstract

Background

A histopathological growth pattern (HGP) occurs at the interface between tumor cells and the surrounding liver parenchyma. Desmoplastic HGP (dHGP) is associated with a favorable prognosis and shows denser infiltration of lymphocytes than other HGPs. Tumor-infiltrating lymphocytes (TILs) exert antitumor immunity, nonetheless, their prognostic significance in patients with dHGP is unknown. This study aimed to identify the prognostic significance of HGP and TILs in colorectal liver metastasis (CRLM).

Methods

The study analyzed 140 patients who underwent hepatectomy for CRLM. Depending on the type of HGP and TIL, the patients were categorized into four groups (dHGP/high TIL, dHGP/low TIL, non-dHGP/high TIL, and non-dHGP/low TIL) for a comparison of their recurrence-free survival (RFS) and overall survival (OS). Uni- and multivariate analyses were performed using a Cox proportional hazards model.

Results

The RFS and OS curves differed significantly between the groups. The multivariate analysis showed that a combination of HGP and TIL could stratify the recurrence and survival outcomes.

Conclusion

This study indicated that a combination of HGP and TIL can stratify the risk of survival after hepatectomy in patients with CRLM.
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Metadaten
Titel
Prognostic Significance of the Histopathological Growth Pattern and Tumor-Infiltrating Lymphocytes in Stratifying Survival After Hepatectomy for Colorectal Liver Metastases
verfasst von
Hiroki Kanno, MD, PhD
Toru Hisaka, MD, PhD
Kenji Fujiyoshi, MD, PhD
Jun Akiba, MD, PhD
Kazuaki Hashimoto, MD
Fumihiko Fujita, MD, PhD
Yoshito Akagi, MD, PhD
Publikationsdatum
15.12.2022
Verlag
Springer International Publishing
Erschienen in
Annals of Surgical Oncology / Ausgabe 5/2023
Print ISSN: 1068-9265
Elektronische ISSN: 1534-4681
DOI
https://doi.org/10.1245/s10434-022-12905-2

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