[Verified Answer]: A 42-year-old patient presented to the…

A 42-year-old patient presented to the emergency department with chills and a fever of 102.1°F. She had been seen at urgent care centers multiple times over the past 3 weeks for recurrent fever, extreme fatigue, and unexplained weight loss. Her complete blood count showed moderate anemia, leukopenia, and thrombocytopenia. Liver and renal function tests were abnormal. The patient was admitted and later diagnosed with acquired immunodeficiency syndrome (AIDS). Her CD4 count was 72 cells/μL. Blood cultures were negative. Bone marrow studies were performed. Which laboratory result and/or clinical symptom indicated that bone marrow studies were appropriate for this patient? Which body site is most appropriate for bone marrow specimen collection for this patient? The patient’s bone marrow biopsy results are pictured in the photomicrograph (Gomori’s methenamine silver stain, magnification ×1,000). Which finding is noted?