10 February 2026
: Case report 
Actinomycotic Cholecystitis and Pancreatitis: Report of an Unusual Case
Challenging differential diagnosis, Rare disease, Rare coexistence of disease or pathology
Carlos Eduardo Brantis-de-Carvalho
ABCDEF 1*, Sara Mohrbacher ABCDG 1, Juliana Valéria Souza Framil ABCDEFG 2, Victor Augusto Hamamoto Sato ABCDEF 1, Erico Souza de Oliveira ABCDG 1, Pedro Renato Chocair ABCDG 1
DOI: 10.12659/AJCR.951112
Am J Case Rep 2026; 27:e951112
Figure 1 Biliary sludge within the gallbladder. Ultrasound analysis of the gallbladder through an abdominal (A, B) and transesophageal (C, D) approach shows normal gallbladder distension, with walls of normal thickness and a large amount of heterogeneous content, predominantly hypoechoic, amorphous, and mobile in its interior, which may correspond to biliary sludge (arrows).