Питання 11 з 90

A 50-year-old man presents to the office with the complaint of pain in his left great toe. The pain started 2 days ago and has been progressively getting worse to the point that it is difficult to walk even a few steps. He adds that his left big toe is swollen and hot to the touch. He normally drinks 2-3 glasses of red wine each day. Physical examination is notable for an overweight gentleman (BMI of 35) in moderate pain, with an erythematous, swollen, and exquisitely tender left great toe. A complete blood count shows: hemoglobin - 120 g/L, hematocrit - 0.45, platelets - 160*10^9/L, leukocytes 8.0 - 10^9/L, neutrophils - 65%, lymphocytes - 25%, eosinophils - 3%, and monocytes - 7%. Synovial fluid analysis shows cell count of 15,000 cells/mm^3 (80% neutrophils), negatively birefringent crystals present. Elevated concentration of which of the following compounds is the most common laboratory finding in these patients?

1. A Uric acid
2. B Cholesterol
3. C Bilirubin
4. D Cystine
5. E Urea

Правильна відповідь: A. Uric acid