Tissue formation, aquaduct of Sylvius

Kwpy kwpy at aol.com
Mon Nov 27 21:46:42 EST 1995


Instead of considering it as a tissue formation, it should be considered
as an aqueduct that did not meet.  There are certain patterns of
aqueductal stenosis.  Some form a "fork" where the duct simply splits into
two and not meet the other counterpart.  Another common type is where the
duct simply veers off to one side and not meet the other.  Occasionally,
however, ther are tissues (debris, scar, etc) that forms at the narrowest
part.  The true narrowing (i.e. concentric stricture) I believe is
somewhat rare.



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