Features of cafe au lait spots are all Except
They are caused by a collection of pigment-producing melanocytes in the epidermis of the skin. These spots are typically permanent and may grow or increase in number over time. Cafe au lait spots are often harmless but may be associated with syndromes such as neurofibromatosis type 1 and McCune-Albright syndrome. Ref img
Larger
Arise independent of sun exposure
Contain aggregates of melanosomes
Most common pigmented lesion
Endocrinology