Objectives: The antenatal phenotypic spectrum of Noonan Syndrome (NS) requires better characterization.
Methods: This multicenter retrospective observational included 16 fetuses with molecularly confirmed NS admitted for fetopathological examination between 2009 and 2016.
Results: Among 12 pathogenic variants (PV) in PTPN11 (80%), 5 (42%) fell between position c.
Infantile hemangioma (IH) is the most common benign vascular tumor of infancy, occurring predominantly in the head and neck. It is characterized by specific endothelial expression of glucose transporter-1 (GLUT-1) and involution with time, spontaneous or on beta-blockers treatment. Although some predisposing factors are known, the exact pathogenesis remains unclear.
View Article and Find Full Text PDF