"A CASE REPORT OF ADULT-ONSET STILL'S DISEASE PRESENTING AS PYREXIA OF UNKNOWN ORIGIN".

ABSTRACTBACKGROUNDAdult-onset Still’s disease (AOSD) is a rare systemic inflammatory disorder characterized byhigh-spiking fever, inflammatory arthritis, evanescent rash, leukocytosis, and markedelevation of inflammatory biomarkers, particularly serum ferritin.Because its clinicalmanifestations overlap with infectious, malignant, and autoimmune conditions, diagnosis isoften challenging and requires careful exclusion of alternative etiologies.