Migratory Superficial Thrombophlebitis in a Cannabis Smoker

A 28-year-old previously healthy man presented with a 5-year history of recurrent painful subcutaneous nodules in varying locations, including both legs, left foot, hand, and groin. He initially spontaneously developed a 1-cm nodule in his right calf that progressed over 2 days to 4 cm in length and then resolved, with the entire episode lasting 5 days. The patient reported >10 similar events occurring once every few weeks in different locations. He denied tobacco use. There was no family history of venous thromboembolism. Examination revealed a mildly erythematous and tender nodular cord in the patient’s right upper leg (Figure 1).Figure 1. The patient’s right upper leg revealing an erythematous and …