Prenatal diagnosis of a neonate with fetus in fetu.

Fetus in fetu is a rare condition not usually considered in the differential of a neonatal abdominal mass. This article illustrates the importance of prenatal ultrasound in the treatment of this condition as it facilitated the assembly of a multispecialty healthcare team that intervened within days of birth.

Gastric ulcer presenting as gastroesophageal reflux and apnea in a term neonate.

Apnea in the neonatal period frequently is associated with prematurity. Full-term infants who develop apnea usually have associated clinical conditions such as infection, shock, metabolic disorders, neonatal abstinence syndrome, intracranial pathology, and gastroesophageal reflux. Gastric ulcer also is a rare phenomenon in the neonatal period.