clinical:
• | occurs in healthy full term newborn (a history of perinatal hypothermia, asphyxia, or difficult labor is common) |
• | one or more dusky red nodules which often become fluctuant and discharge an oily liquid |
• | spontaneous resolution in a few weeks |
histology:
• | needle shaped clefts in foamy histiocytes and adipocytes |
• | an inflammatory disease, therefore: multiple foci of fat necrosis associated with striking granulomatous panniculitis |
classic ddx - sclerema neonatorum
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