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Unexpected Hematoma Due to Heparin Prophylaxis in Transverse Rectus Abdominis Musculocutaneous Flap Reconstruction

Prophylaxis with standard low dose subcutaneous heparin has been shown to significantly decrease the risk of deep vein thrombosis and pulmonary embolism, without major bleeding complications. The present report describes a case of unexpected hematoma formation, possibly secondary to subcutaneous low dose heparin injection that was administered in the anterior abdominal wall in a patient who had previously undergone a transverse rectus abdominis musculocutaneous flap reconstruction.