میوفیبرواتوزیس نوزادی
Infantile myofibromatosis is the most common fibrous tumor of infancy. The majority of cases present within the first 2 years of life (90%), and 60% present at birth. While most cases are sporadic, familial cases have been reported. Infantile myofibromatosis occurs more commonly in boys (60%). There are 3 forms of the disease: solitary (the most common), multicentric, and generalized. The multicentric form appears more often at birth and in girls.