Venous Thrombosis and Pulmonary Embolism in a Child With Pneumonia Due to Mycoplasma pneumoniae

A 13-year-old boy with Mycoplasma pneumoniae pulmonary infection developed deep vein thrombosis and pulmonary embolism. He was found to have protein S deficiency and transient antiphospholipid antibodies. Though uncommon, it is important to consider venous thromboembolic disease in children whose clinical course is atypically severe.