Regress？o tardia espontanea de tumor obstrutivo na valva mitral

cardiac rhabdomyoma is uncommonly found in the mitral valve. however, in the case reported, although the tumor was large (15x14 mm) and even caused obstruction at this level in the first months of life, its complete and spontaneous regression was observed as from 68 months of age, with progressive reduction until the patient was 14 years old.