The spleen is an organ of the body, hidden in the abdomen, just below the rib cage, normally not palpable except in the case of young children, the abdominal wall is flabby. During clinical examination, the dull area of the spleen can only be determined by percussion in the posterior axillary line. In cases where the spleen is enlarged, surpassing the rib margin, the doctor can feel it. Nowadays, thanks to the development of science and technology, ultrasound has helped diagnose more accurately.