Erdheim Chester Disease 👉A histiocytic,myeloid malignancy 👉 “Coated Aorta” Classic peri-aortitis inv. Thoracic & Abdominal Aorta 👉 “Hairy Kidneys” on CT 👉 Abn PET-CT, foamy histiocytes on path 👉 Refer to onc for t/t #ACR21 ✨Must See✨ session on Pearls by Dr. John Stone!! https://t.co/qobSsPxAhY