Mesenchymal hamartoma of the liver in infants

摘要: Mesenchymal hamartoma of the liver is a rare benign tumor childhood which has been confused with various other lesions, particularly vascular hamartomas are mesodermal but not mesenchymal. The mass, frequently cystic, characterized by an admixture epithelial structures in loose connective tissue stroma fluid accumulation suggestive lymphangiomatous channels. Four patients presented and reviewed 25 previously reported cases. patients, usually asymptomatic, present during first two years life progressive abdominal distention, may be rapid because increasing content cysts. Exploration biopsy necessary before definitive excision. cases include newborn, youngest known, case radiation resulted hyalinization mesenchyme, decrease content, easlier resection. Respiratory distress signs vena caval obstruction due to intra-abdominal pressure were noted. Prognosis after extirpation very good. Cancer 42:2483–2489, 1978.