A 19-year-old man comes to the physician for a follow-up appointment. Vitals are normal. Hemoglobin is 11 g/dL. MCV is 90 fL. An intestinal biopsy is shown.
Which of the following additional findings is most likely to be seen in this patient?
A) Hematuria
B) IgA deposition at the dermal papillae
C) Leukocytoclastic vasculitis
D) Positive calprotectin
E) Segmental fibrinoid necrosis
