"neurofibromatosis type 1 (NF1): spots with smooth borders which have been likened to the coast of California, a western state in the USA"
"McCune-Albright syndrome: typically irregular spots which have been likened to the coast of Maine, a far northeastern state in the USA"
"PTEN hamartoma tumour syndrome"
"Café au lait spots, or café au lait macules, are a type of pigmented skin lesions which are classically described as being light brown in colour but may vary in colour from light brown to dark brown; this is reflected by the name of the lesions, which means “coffee with milk”."