pulmonary bulla

pul·mo·nar·y bul·la

air-filled emphysematous space larger than one centimeter, usually located in the lung periphery; can reach large diameter and cause symptoms by compression of normal lung tissue. Compare: pulmonary bleb.
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Pulmonary bulla in children represent interesting entities.
We present an interesting case of a giant pulmonary bulla exhibiting a mass effect in a 12 1/2 year old girl.

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