megasigmoid

mac·ro·sig·moid

(mak'rō-sig'moyd),
Enlargement or dilation of the sigmoid colon.
Synonym(s): megasigmoid

megasigmoid

A term of waning use for toxic megacolon involving the sigmoid colon.
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References in periodicals archive ?
It appears that these patients had idiopathic megasigmoid, he said.