Meconium Periorchitis A—Cause of Scrotal Mass in the Newborn

causes meconium peritonitis (MP).' Some bowel perforations heal without obvious sequelae and the baby appears well at birth.2 Migration of intraperitoneal meconium through a patent processus vaginalis results in a scrotal mass. Calcifications may occur either prenatally or postnatally within the mass, heightening suspicions of a testicular neoplasm. Radiologic evaluation including plain films of the abdomen and scrotum and ultrasound of the scrotum may be helpful in making the diagnosis of MPO. The natural history ofMPO is one of spontaneous resolution including reabsorption of the calcifications.3-5 MPO has never been described in a pediatric journal. Recognition of this benign entity could prevent unnec-