关键词: 下肢肿胀, 下肢静脉功能不全, 淋巴水肿, 影像学检查

Abstract: Diagnosis and differential diagnosis of lower extremity swelling        LUO Jia-yin, CHEN Zuo-guan, LI Yong-jun. Department of Vascular Surgery, National Center of Gerontology, Beijing Hospital, Beijing 100730, China
Corresponding author： LI Yong-jun, E-mail:liyongjun4679@
bjhmoh.cn
Abstract    Lower extremity swelling may be a manifestation of systemic or local diseases and requires comprehensive diagnosis and differential diagnosis based on history signs, and auxiliary examinations. According to different classification methods, it can be divided into symmetrical or asymmetrical pitting or non-pitting acute or chronic infectious or non-infectious and vascular or lymphatic types. The common causes of lower extremity swelling include venous insufficiency deep vein thrombosis heart failure liver disease drug reaction lymphedema, and so on. The commonly used auxiliary examinations include Doppler ultrasound, CT-enhanced venography imaging magnetic resonance venography imaging lymphangiography, and so on. The final correct diagnosis depends on comprehensive assessment.

Key words: lower extremity swelling, chronic venous insufficiency, lymphedema, imaging diagnosis