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Among 34 patients under observation, two young women, aged 23 and 24, developed Takayasu's disease (Takayasu's arteritis) associated with Crohn's disease. The typical vascular symptoms of Takayasu's arteritis developed late during a quiescent phase of Crohn's disease. We discuss the usefulness of diagnostic methods, particularly the contribution of duplex Doppler. Currently, this method appears to provide effective diagnosis of Takayasu's arteritis although clinical data, including hyposphygmy of the radial arteries and carotidynia (pain appearing along the carotid course) are still fundamental. The possible etiopathogenic relations between these two diseases and correlation of results with those in the literature are discussed (J Mal Vasc 1999; 24: 373-376).

Deep venous thrombosis with pulmonary embolism is considered rare in pediatric population, but a literature review points out this disease more frequent than would be expected in children. The low incidence and the poor consideration of this occurrence in pediatric age group, cause the thromboembolic disease with pulmonary involvement an often missed diagnosis. The illness is usually related to intravenous catheters, surgery, trauma, sepsis, prolonged immobilization, neoplasia, drugs, some congenital or acquired diseases. The Authors report their experience with two pediatric cases of inferior vena cava thrombosis and pulmonary embolism treated with anticoagulant therapy, temporary vena cava filters and locoregional fibrinolysis.