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extralobar sequestration

"accessory lung": lung tissue in its own pleura

  • LEFT lower lobe (90%)
  • systemic arterial AND venous connection (unlike intralobar) results in L->R shunt

  • a/w congenital anomalies of diaphragm:
  • XR: homogeneous ST mass, rarely infected

see also: sequestration
Cf: intralobar sequestration

Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
broncho-pulmonary sequestration
intralobar sequestration
recurrent pneumonia in childhood
elevated hemidiaphragm
diaphragmatic eventration
chronic granulomatous disease of childhood

 

Copyright © 2013, Charles E. Kahn, Jr.