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 Post42-year-old Woman With Shortness of Breath You Might Also Like Painless Periumbilical Masses in Patient with Type 2 Diabetes Mellitus August 31, 2022 Patient with Diabetic Nephropathy and Secondary Hyperparathyroidism May 11, 2022 A 4-year-old Girl with Watery Diarrhea, Progressive Abdominal Pain and Distention February 10, 2022