Oncology Case Challenge: A Retired Man With Left Upper Quadrant Pain, Leukocytosis

Kevin Zablonski; Jerry Wong, MD, PhD; Francisco J. Hernandez-Ilizaliturri, MD


May 04, 2022

Editor's Note:
The Case Challenge series includes difficult-to-diagnose conditions, some of which are not frequently encountered by most clinicians but are nonetheless important to accurately recognize. Test your diagnostic and treatment skills using the following patient scenario and corresponding questions. If you have a case that you would like to suggest for a future Case Challenge, please contact us.


A 75-year-old man presents after routine bloodwork revealed a leukocytosis with an absolute lymphocytosis and without monocytopenia. His past medical history is significant for diabetes, coronary artery disease, asthma, and hypertension. He has no surgical history except for routine colonoscopies and a recent angiogram. His current medications include metformin, sitagliptin, glipizide, lisinopril, amlodipine, aspirin, rosuvastatin, bisoprolol, and a corticosteroid inhaler.

He has no history of smoking, alcohol use, or illicit drug use. He has a family history of diabetes and hypertension. He has no family history of cancer. The patient is retired but is able to carry out all activities of daily living without difficulty.


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