WITHIN visceral pleura of a pulmonary lobe
- LEFT lower lobe (67%); rarely in upper lobes
- arterial supply: SYSTEMIC, usually aorta
- venous drainage: usually via pulm. vv. (occ. systemic)
- usually does NOT communicate with bronchial tree
- cystic, may become infected
- not a/w other abnormalities
see: sequestration
Cf: extralobar sequestration
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© 2002, C.E. Kahn, Jr.
2002-04-18