It is a self-limiting disorder of healthy newborns.
- Hypoxia during delivery
- Calcium derangement
- Well circumscribed and indurated lesions
- The surface may look uneven and lobulated
- Lesions are usually asymptomatic or mildly painful
- Most common locations – back, buttock, cheeks
- May last a few weeks to months
- Blood may show high calcium levels in up to 10% of babies
- If a skin biopsy is done, it shows fat crystals in the subcutaneous tissue
- There is no treatment. They disappear in a few months.