# Role of Cystic Lymph Nodes in Incidental Gallbladder Cancer: Implications for Routine Excision and the Sentinel Lymph Node Concept

## TL;DR

This paper reviews the role of cystic lymph nodes in incidental gallbladder cancer and their impact on treatment decisions.

## Contribution

The paper evaluates the potential of routine cystic lymph node excision and the sentinel lymph node concept in managing incidental gallbladder cancer.

## Key findings

- Cystic lymph node status is significant in predicting prognosis and staging for incidental gallbladder cancer.
- Routine excision of cystic lymph nodes during cholecystectomy may improve therapeutic outcomes.
- The sentinel lymph node concept shows potential for guiding treatment in incidental gallbladder cancer.

## Abstract

Gallbladder cancer (GBC) is a rare but aggressive malignancy, often diagnosed incidentally after or even during routine cholecystectomy for presumed benign conditions, the commonest being gallstone disease (GSD) - this is incidental GBC (iGBC). The involvement of cystic lymph nodes (CLNs), which are located near the cystic artery and the cystic duct, has been an area of clinical interest in predicting the prognosis, staging, and therapeutic decision-making of GBC. This review explores the significance of CLN status in iGBC, evaluates the potential benefits of routine CLN excision during simple cholecystectomy, and explores the applicability of the sentinel lymph node (SLN) concept in the management of iGBC.