Imaging plays a pivotal role in the detection and management of urologic oncology-related emergencies. This chapter provides a comprehensive overview of the role of various imaging modalities in these emergencies, including ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI). Each modality’s strengths, weaknesses, and appropriate uses are discussed, with a focus on their application in clinical scenarios such as vascular complications, urinary obstructions, infections, venous issues, and other critical urologic oncology-related emergencies. The chapter also addresses common pitfalls in imaging interpretation and offers solutions to enhance diagnostic accuracy. By understanding the imaging characteristics and clinical context of these conditions, clinicians can make informed decisions that lead to better patient outcomes.