Plasma Cell Disorders (part 2)
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Blood Cancer and BMT Program, Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO

Question 1 of 5

Questions 1 and 2 are based on the following case:

A 71-year-old man with a history of hypertension and an elevated prostate-specific antigen (PSA) level that is under observation reports increasing low back pain to his primary care physician. The pain initially started as an ache, but over the past 2 months has reached a 7/10 level. The pain does not radiate. A trial of ibuprofen and physical therapy for 3 weeks does not relieve the pain. The patient is referred for magnetic resonance imaging (MRI) of the lumbar spine; an image on a coronal T2-weighted section from that evaluation is shown in the Figure. His primary care physician next orders a nuclear bone scan, which comes back negative.

T2-weighted image from magnetic resonance imaging evaluation of patient in question 1. Image used by permission of Tomer Mark, MD.

Figure. T2-weighted image from magnetic resonance imaging evaluation of patient in question 1.

Which laboratory test would most likely be returned positive in this case?

Beta-human chorionic gonadotropin (hCG)

Carbohydrate antigen (CA) 19-9

Carcinoembryonic antigen (CEA)

QuantiFERON-TB Gold

Serum protein electrophoresis

Hospital Physician: Hematology/Oncology. 2019 January;14(1)

This quiz is not accredited for CME.

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