marsupialize
transitive verb
mar·su·pi·al·ize
variants:
or chiefly British marsupialise \ mär-ˈsü-pē-ə-ˌlīz 
\
\
marsupialized
or chiefly British marsupialised;
marsupializing
or chiefly British marsupialising
Medical Definition of marsupialize
: to open (as the bladder or a cyst) and sew by the edges to the abdominal wound to permit further treatment (as of an enclosed tumor) or to discharge pathological matter (as from a hydatid cyst)