Blue rubber bleb naevi (report of a family in which only males were affected).
D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications; D008297:Male; D008875:Middle Aged; D009508:Nevus, Pigmented / Q000150:complications / Q000235:genetics*; D010375:Pedigree; D011652:Pulmonary Circulation; D012737:Sex Factors