Subcutaneous Fat Necrosis

• subq nodule, hard, nonpitting, sharply circumcribed, may be red/purple
• thought to be caused by trauma, cold, asphyxia
• appears during 1st weeks of life, enlargens over several days, resolves over several weeks
• may be more than one, if so, hypercalcemia may occur... monitor serum Ca, may need intervention
• usually no tx necessary... correct underlying ie hypoglycemia, asphyxia