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DOI 10.1016/j.gastrohep.2026.502765

Медицинская библиотека · Gastroenterologia y hepatologia · 2026

Preoperative endoscopic tattooing and its effect on lymph node recovery in pT1 colorectal cancer.

Gil-Lasa Inés, Bujanda Luis, Sarasqueta Cristina, Daca-Alvarez María, Zaffalon Diana, Saez de Gordoa Karmele, Ibañez-Sanz Gemma, Sanjuan Xavier, Herreros-de-Tejada Alberto, Salces Inmaculada, Aguilera Lara, Ponce Marta, Pizarro Ángeles, Barquero David, Puig Ignasi, Diez Redondo Pilar, Martínez de Juan Fernando, Jair Morales Victor, Alburquerque Marco, Machlab Salvador, Ferrandez Angel, Peñas Beatriz, Díaz-González Alvaro, Sargatal Lluïsa, Jover Rodrigo, Hernandez Luis, Pérez Pedrosa Alberto, Musulen Eva, Hernandez Goretti, Trelles Marita, Ono Akiko, Lopez Vicente Jorge, Portillo Isabel, Cuatrecasas Miriam, Pellisé María, EpiT1 Consortium

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Аннотация

OBJECTIVE

Preoperative endoscopic tattooing in patients with T1 colorectal cancer may increase lymph node retrieval. The aim of our study was to evaluate the use of preoperative tattooing in surgically treated T1 colorectal cancer and to identify its impact on lymph node recovery.

PATIENTS AND

METHODS

We included all cases of pT1 colorectal cancer treated with oncologic surgery from a retrospective, multicenter Spanish cohort study (EpiT1 Consortium). The use of preoperative tattooing and its influence on lymph node recovery outcomes were analyzed.

RESULTS

A total of 1700 patients with pT1 colon cancer undergoing oncologic resection were included. Of these, 63.6% (1082/1700) had received preoperative tattooing. The median number of nodes retrieved was 14 in both groups (p=0.12). The rate of adequate lymph node recovery (≥12 nodes) was similar between tattooed and non-tattooed patients (60.8% vs. 61.9%, p=0.67), with no differences depending on tumor location. There were also no differences in the rate of positive nodes between tattooed and non-tattooed patients (10.4% vs. 9.5%, p=0.61) nor by tumor location.

CONCLUSION

The use of endoscopic tattooing does not appear to increase the total lymph node retrieval or the detection of positive lymph nodes during surgery.

Для цитирования: Gil-Lasa Inés, Bujanda Luis, Sarasqueta Cristina, Daca-Alvarez María, Zaffalon Diana, Saez de Gordoa Karmele, Ibañez-Sanz Gemma, Sanjuan Xavier, Herreros-de-Tejada Alberto, Salces Inmaculada, Aguilera Lara, Ponce Marta, Pizarro Ángeles, Barquero David, Puig Ignasi, Diez Redondo Pilar, Martínez de Juan Fernando, Jair Morales Victor, Alburquerque Marco, Machlab Salvador, Ferrandez Angel, Peñas Beatriz, Díaz-González Alvaro, Sargatal Lluïsa, Jover Rodrigo, Hernandez Luis, Pérez Pedrosa Alberto, Musulen Eva, Hernandez Goretti, Trelles Marita, Ono Akiko, Lopez Vicente Jorge, Portillo Isabel, Cuatrecasas Miriam, Pellisé María, EpiT1 Consortium. Preoperative endoscopic tattooing and its effect on lymph node recovery in pT1 colorectal cancer.. Gastroenterologia y hepatologia. 2026. DOI: 10.1016/j.gastrohep.2026.502765.
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