Sarah Rosenbloom, Akanksh Ramanand, Anabella Stark, Vipin Varghese, Dustin Chalmers, Nathan Au-Yeung, Swetha R Kanduri, Ivo Lukitsch, Jose Antonio T Poloni, Elizete Keitel, Ana Paula Franz, Carlos Martínez-Figueroa, Abhirup Sarkar, Maia C Alix-Arbatin, Agnes B Fogo, Florian Buchkremer, Jay R Seltzer, Juan Carlos Q Velez
BACKGROUND: Identification of casts by urinary sediment microscopy is a valuable diagnostic clinical tool for the evaluation of kidney disease. Vacuolar casts are an unrecognized unique type of casts characterized by the presence of non-polarizable, clear vesicles of various sizes contained within a cast matrix, different from lipid casts, erythrocyte casts, or any other casts. We aimed to gain better understanding of the clinical relevance of these casts by establishing a multinational collaborative group to search for cases in which vacuolar casts were identified...
January 19, 2024: Kidney360