This is a benign birthmark due to a collection of melanocytes at the site.

Features

• Flat bluish- blackish discolouration
• This fates generally over years ( 5-6 years)

Location

• Most common over the lower back, buttock

Treatment

• No treatment is required as it resolves spontaneously.
• Make sure you document it for further records.

Remember

• Accidental injury should be ruled out.