A 53-year-old woman with a history of gouty arthritis presents with malaise, and bone and joint pain in the left femur and knee. She is slightly febrile and is found to have a WBC count of 45,000/L....

A 53-year-old woman with a history of gouty arthritis presents with malaise, and bone and joint pain in the left femur and knee. She is slightly febrile and is found to have a WBC count of 45,000/L. What are the possible etiologies of her symptoms?

A. Hyperuricemia from high cell turnover in acute leukemia, causing gouty arthritis

B. Leukemic cell proliferation with bone marrow expansion

C. Recent ingestion of contaminated meat, causing gastroenteritis

D. Osteomyelitis from immunocompromise induced by steroid therapy

E. All of the above