This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
Commonest cause of rupture of spleen is 
Select and explain. 
A. Chronic malaria, B. Infectious mononucleosis, C. Leukemia, D. Chronic kala azar
C: Leukemia
Answer: C: Leukemia 
Explanation: spontaneous splenic rupture, which remain widely accepted to date: Mechanical effect of distention secondary to leukemic infiltration of the spleen, paicularly the capsule; splenic infarct with capsular hemorrhage and subsequent rupture; Ref Davidson edition23rd pg812