The 2024 annual Division of Translational Toxicology (DTT) Satellite Symposium, entitled "Pathology Potpourri," was held in Baltimore, Maryland, at the Society of Toxicologic Pathology's 42nd annual meeting. The goal of this symposium was to present and discuss challenging diagnostic pathology and/or nomenclature issues. This article presents summaries of the speakers' talks along with select images that were used by the audience for voting and discussion. Various lesions and topics covered during the symposium included induced nonneoplastic lesions in the mouse kidney, induced and spontaneous neoplastic lesions in the mouse lung, infectious and proliferative lesions in nonhuman primates, an interesting inflammatory lesion in a transgenic mouse strain, and a lesson on artifact recognition.
Keywords: DTT satellite symposium; animal models; erythroid hyperplasia; lung neoplasms; mesangial cells; papillomavirus; transgenic mice.