Cytomegalovirus infection is generally asymptomatic in immunocompetent patients but can also provide a wide spectrum of clinical and biological signs. We report the case of a cytomegalovirus infection in an immunocompetent adult mimicking giant cell arteritis associated with polymyalgia rheumatica and complicated with pulmonary embolism. We review and discuss the venous prothrombic properties of CMV in immunocompetent patients.
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