Key result
Anticoagulant treatment led to the gradual disappearance of a longstanding solitary pulmonary nodule, indicating it was a pulmonary infarction from silent pulmonary embolism.
Why the study?
Does anticoagulant treatment resolve a solitary pulmonary nodule caused by pulmonary infarction from silent pulmonary embolism?
Case Report (n=1)
Does anticoagulant treatment resolve a solitary pulmonary nodule caused by pulmonary infarction from silent pulmonary embolism?
Pulmonary infarction from silent pulmonary embolism should be considered as a potential cause of a solitary pulmonary nodule.
Answers are grounded in this paper and cite their sources.
May support silent pulmonary embolism in the differential for solitary pulmonary nodules; leaves open need for prospective validation before practice change.
A case of pulmonary embolism showing a longstanding solitary pulmonary nodule is presented. An asymptomatic 57 year-old man with a solitary nodule in the right lower lobe was referred to our hospital. A pulmonary perfusion-ventilation scan following a sudden onset of dyspnoea established the diagnosis of recurrent pulmonary embolism. The nodule gradually disappeared after anticoagulant treatment, indicating that the nodule was pulmonary infarction from silent pulmonary embolism. Although the incidence of pulmonary infarction is low in Japan, this case suggests that pulmonary infarction from silent pulmonary embolism should be considered as one important cause of a solitary pulmonary nodule.
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Sato et al. (1996) conducted a case report in Pulmonary embolism presenting as a solitary pulmonary nodule (n=1). Anticoagulant treatment was evaluated on Nodule disappearance. Anticoagulant treatment led to the gradual disappearance of a longstanding solitary pulmonary nodule, indicating it was a pulmonary infarction from silent pulmonary embolism.
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