Direct immunofluorescence (DIF) testing for granulomatous dermatoses: A retrospective single-center cohort study of 812 DIF specimens from patients with clinically suspected granulomatous dermatoses - 14/05/26

Lindsey J. Wanberg, MD ^{a, b}, Frank Z. Jing, MD ^{a, b}, Emma F. Johnson, MD ^{b, c}, Shruti Agrawal ^{b, c}, Julia S. Lehman, MD ^{b, c, ⁎}

^a Mayo Clinic Graduate School of Medical Education, Mayo Clinic, Rochester, Minnesota 

^b Department of Dermatology, Mayo Clinic, Rochester, Minnesota 

^c Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 

^∗ Correspondence to: Julia S. Lehman, MD, 200 First Street SW, Rochester, MN 55905 200 First Street SW Rochester MN 55905