Sickle cell anemias are chronic hemolytic diseases that may induce three types of acute accidents: severe anemia, severe bacterial infections, and ischemic vasoocclusive accidents (VOA) caused by sickle-shaped red blood cells obstructing small blood vessels and capillaries. Many diverse complications can occur.
The presence of a piece lung tissue which is not attached to the pulmonary blood supply and does not communicate with the other lung tissue (not connected to the standard bronchial airways and not performing a function in respiration).
Lee ES, Chu PC. Postgrad Med J. 1996;72(850):487-8.
A patient with homozygous sickle cell disease presented with sickle crisis complicated by hepatic and pulmonary sequestration and required intensive therapy.
