Cystic lung disease Congenital cystic adenomatoid malformation of the lung malformação adenomatóide cística congênita do pulmão peter Congenital cystic adenomatoid malformation (CCAM) can be diagnosed prenatally if ultrasound shows a cystic or solid lung tumor. A CCAM does not have systemic arterial blood supply (in contrast to bronchopulmonary sequenstration). It is a cystic area within the lung that originates from abnormal embryogenesis. CCAM HP:0006545 Cystic adenomatoid lung disease human_phenotype 2011-01-18T11:56:02Z HP:0006540 MeSH:D015615 HP:0010959 Congenital cystic disease of the lung Congenital cystic adenomatoid malformation (CCAM) results in a multicystic mass that replaces the normal lung structure. CCAM is usually unilateral and confined to a single lobe of the lung. malformação adenomatóide cística congênita, MAC