Brown color of contusion is due to:: (A) Biliverdin, (B) Reduced hemoglobin, (C) Hemosiderin, (D) Bilirubin
Answer is C. Color Pigment Time Duration Red Oxy hemoglobin Fresh Blue Deoxy hemoglobin Few hours - 3 days Brown Hemosiderin 4 -5 days Green Biliverdin/ hematoidin 6 -7 days Yellow Bilirubin 7 - 14 days