Chills and fever as the first presentation of hepatic perivascular epithelioid cell tumor

A 70-year-old female was admitted to the hospital with a history of chills and fever (with a high temperature of 37.5 °C) for 17 days. No obvious anomalies were detected on physical examination. Laboratory tests indicated white blood cells (6.96×10⁹/L), neutrophil percentage (65%), C-reactive protein, and procalcitonin (0.766 ng/mL) in the normal range. The liver function was normal, with Child-Pugh grade A, and the patient tested negative for hepatitis B virus infection.