Low-Grade Oncocytic Tumor (LOT): Clinicopathological, Morphological, Immunohistochemical and Cytogenetic Study of 17 Tumors

Francisco Javier Queipo Gutiérrez, Débora Chantada De la Fuente, José Ángel Vázquez Bueno, Alfredo Réparaz Andrade, Pilar San Miguel Freire, María Isabel Pérez Expósito, Alejandro Bellas Pereira, Venancio Chantada Abal, Andrés Rodríguez Alonso, Jose Antonio Ortiz Rey

International Journal of Surgical Pathology

Published online on November 24, 2025

Abstract

International Journal of Surgical Pathology, Volume 34, Issue 3, Page 648-655, May 2026.
Eosinophilic/oncocytic tumors make up a large group of renal tumors that have been the focus of attention in recent years. Among them, low-grade oncocytic tumors stand out, characterized by their solid growth pattern and central edematous zone, keratin 7 ...