Hereditary hemorrhagic telangiectasia causing hematemesis in an infant.
D001706:Biopsy; D005753:Gastric Mucosa / Q000473:pathology; D006396:Hematemesis / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D008297:Male; D013683:Telangiectasia, Hereditary Hemorrhagic / Q000175:diagnosis* / Q000473:pathology