33 , 34 This phenomenon is called “obesity paradox.” It is reported that there is a highly significant inverse correlation between body mass index (BMI) and atherosclerosis of the aortas of morbidly obese decedents (BMI >40 kg/m 2 ). 18 The reasons behind such unexpected yet interesting findings are still under investigation. 19 - 21 Multiple thrombotic lesions in segmental and subsegmental muscular pulmonary arteries may develop as primary in situ thrombi in the setting of pulmonary hypertension. 22 - 25 Absence of evidence of deep vein thrombosis favors in situ thrombosis versus thromboembolic origin.
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