[Hepatic mesenchimal hamartoma in neonates].

Objectives: To approach the diagnosis and management of two different features of hepatic mesenchymal hamartoma (HMH) in the neonate.

Methods: Report of two cases of HMH in newborns and review of the literature (MEDLINE and LILACS).

Results: Two cases of newborns with huge abdominal masses are presented, one of them complicated by rupture and hemorrhage during ultrasound manipulation, leading to hypovolemic shock.

[Abdominal cystic lymphangioma in childhood: report of eight cases].

Lymphangioma is a common pathology in children, however intra-abdominal cystic lymphangioma is rare. Morphology and clinical symptoms are variable and can be mixed up with other etiology. Ultrasound can make the diagnosis in the majority of the cases.

[Giant epignathus in the newborn: report of a case and review of the literature].

Epignathus is a congenital teratoide tumor in the oral cavity. It is extremely rare and usually lethal. The authors present a case treated successfully.