This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Medicine
This technetium-99m sulfur colloid scan was performed after the patient presented with abdominal pain. Howell-Jolly bodies were present on a peripheral-blood smear. What is the diagnosis? 
Select and explain. 
A. Hemochromatosis, B. Hydatidiform mole, C. Multiple myeloma, D. Pelvic spleen
D: Pelvic spleen
Answer: D: Pelvic spleen 
Explanation: Answer D. Pelvic spleenAbdominal imaging after injection of technetium-99m revealed a normal liver and a pelvic spleen. Pelvic spleen can be complicated by torsion of the pedicle. Howell-Jolly bodies suggest functional asplenia.