Key result
Isolated calf vein thrombosis can cause clinically significant pulmonary embolism without popliteal involvement.
Why the study?
The clinical significance of pulmonary embolism arising from venous thrombosis distal to the popliteal vein remains uncertain despite expectant treatment recommendations for calf-only venous thrombi.
Case Report (n=1)
Answers are grounded in this paper and cite their sources.
Calf-only DVT may cause clinically significant PE; leaves open the safety of expectant management and requires prospective study.
A case of pulmonary embolism from a venous thrombosis distal to the popliteal vein is reported. This occurred despite venographic and ultrasound verification that the thrombus had not extended to the popliteal vein. The medical literature supports expectant treatment of "calf-only" venous thrombi. Our case clearly demonstrates that clinically significant pulmonary emboli can arise from calf vein thrombi without popliteal involvement.
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Chapman et al. (1991) conducted a case report in Pulmonary embolism from calf vein thrombosis (n=1). Calf vein thrombosis was evaluated on Pulmonary embolism. Clinically significant pulmonary emboli can arise from calf vein thrombi without popliteal involvement, despite venographic and ultrasound verification.
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