DALM = dysplasia associated lesion or mass
Indications for colectomy:
(1) flat high grade dysplasia
(2) flat low grade dysplasia with any of the following:
(2a) identified on initial presentation
(2b) multifocal or synchronous
(3) DALM with non-adenoma-like lesion or mass
where:
• Non-adenoma like lesion is one that is irregular, broad-based and/or strictured.
Indications for polypectomy with increased surveillance:
(1) DALM with adenoma-like lesion in segment not involved by colitis
(2) DALM with adenoma-like lesion in segment involved by colitis
