Dark Brown Serum Post category:Spot Diagnosis Post published:January 3, 2026 Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Dark Brown Serum A 53-year-old man presented with desaturation, cyanosis, and dark brown serum. What is the most likely cause? FULL CASE AND ANSWER Share on Facebook Share on X (Twitter) Share on Pinterest Share on Email Share on Reddit Read more articles Previous PostWoman With a History of Omental Carcinomatosis Next Post22-year-old Man With Severe Sudden Onset of Chest Pain You Might Also Like Unilateral Leg Swelling and Bluish Discoloration May 10, 2021 Patient with Cyanosis of the Head, Neck, Upper torso, and Arms December 29, 2021 81-year-old Woman With 1-week History of Vomiting August 7, 2022