Published: 12 February 2016
Author(s): A. Riera-Mestre, A. Buonaro, A. Romera Villegas, X. Corbella
Section: Letter to the Editor

Venous thromboembolism (VTE) affects approximately 100 people per 100,000 population per year. Approximately one-third present as pulmonary embolism (PE) and two-thirds as deep vein thrombosis (DVT), mostly in the lower limbs [1]. Upper-extremity DVT represents about 5% to 10% of all diagnosed VTE events [2]. Doppler ultrasound is commonly used as the initial study for upper-extremity DVT [3]. Primary upper-extremity DVT is defined as an unprovoked thrombosis with or without thombophilia or as a consequence of strenuous upper-extremity activity (Paget–Schroetter syndrome).

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