The majority of tumors (81, 2%) were conservatively managed by careful observation with very satisfactory results, 99, 6% of tumors have involuting or involuted, 25, 4% have disappeared with no trace, 27, 1% regressed with insignificant traces. 18, 8% of the lesions were treated with corticosteroids therapy or surgery, essentially for the tumors around the natural orifices, causing functional threatening, irreversible deformations, or important aesthetic and psychological threatening.