Visceral Muscle Dysmotility Syndrome in Systemic Lupus Erythematosus: Which Is the Role of 18 Fluorodeoxyglucose-Positron Emission Tomography-Computed Tomography? A Clinical Case and Literature Review. Reumatismo 2024, 76 (4). https://doi.org/10.4081/reumatismo.2024.1647.