⏫IgG4 🚫 IgG4 RD Elevated IgG4 levels can be seen: 👉 Chronic infections like #tuberculosis 👉Lymphoproliferative malignancies 👉 Bronchiectasis, #asthma 👉 Primary sclerosing cholangitis #RheumTwitter #MedTwitter #Rheumatology https://t.co/N3EDYjyFLf