All mentioned features are consistent with Fibrous dysplasia.

Fibrous dysplasia is a benign condition seen in young individuals characterized by replacement of bone by ground glass matrix with associated cystic changes.  

This case had typical clinical and imaging features of McCune-Albright syndrome (MAS), also known as McCune-Albright-Sternberg syndrome, a genetic disorder characterized by the triad:

• endocrinopathy: precocious puberty

• polyostotic fibrous dysplasia: more severe than in sporadic cases

• cutaneous pigmentation: coast of Maine 'café au lait' spots