Abstract A four‐year‐old nulliparous Labrador Retriever bitch and a seven‐year‐old crossbreed were referred for weakness vomiting. Ultrasonographic examination revealed in both cases large abdominal mass‐lesion with corpuscular fluid content; computed tomography the uterine origin of lesions, findings consistent torsion. Surgery confirmed torsion upon ovarian pedicle cases, at histological pres...