The Collaborative International Dictionary of English v.0.48:

Phlegmasia \Phleg*ma"si*a\, n. [NL., from Gr. ?. See Phlegm.]
   (Med.)
   An inflammation; more particularly, an inflammation of the
   internal organs.
   [1913 Webster]

   Phlegmasia dolens (d[=o]"l[e^]nz) [NL.], milk leg.
      [1913 Webster]