Neoplasm Etiologies of Classic FUO

• Lymphoma: LAN, HSM, ↓ Hct or plt, ↑ LDH; leukemia; myelodysplasia
• 儘管大多數腫瘤可出現發熱，但惡性淋巴瘤是迄今為止最常見的 FUO 腫瘤診斷。有時發燒甚至先於淋巴結腫大

Renal cell carcinoma: microscopic hematuria, ↑ Hct

HCC, pancreatic and colon cancers, sarcomas, mastocytosis

Atrial myxomas: obstruction, embolism, constitutional symptoms