List of Abbreviations:
SHML: Sinus histiocytosis with massive lymphadenopathy
RDD: Rosai-Dorfman Disease
ESR: Erythrocyte sedimentation rate
APAS: Antiphospholipid antibody syndrome
CT: Computed tomography
MRI: Magnetic resonance imaging
SAD : Short axis diameter
DWI: Diffusion-weighted imaging
ADC: Apparent diffusion coefficient
IHC: Immunohistochemistry
CKAE1/AE3 : Cytokeratin AE1/AE3
CD: Cluster of differentiation
IgG4 : Immunoglobulin G4
FDG PET/CT : Fluorodeoxyglucose (FDG)-positron emission
tomography/ computed tomography
SUV : Standardized uptake value
Table 1. Common imaging features of important differential
diagnoses of RDD