This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Tc labelled RBC's are used for 
Select and explain. 
A. Biliary tree, B. Renal disease, C. Pulmonary embolism, D. Spleenic disease
D: Spleenic disease
Answer: D: Spleenic disease 
Explanation: D i.e. Splenic disease Tc99 - labelled RBCs provides information about red cell pooling, so it is used in : Haerningioma detection Gastrointestinal bleedingQ Spleenic diseaseQ Cardiac ventriculography