The National Pancreatic Cyst Registry | Page 5
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Cyst Size

Malignancy is as likely to occur in small cysts (<3 cm) as it is to occur in large cysts (>3 cm).

In any size category, the majority of cysts are benign.

                                          Benign                        Malignant

  • <1 cm                         41 (95%)                      2 (5%)
  • 1-2 cm                       168 (92%)                    14 (8%)
  • 2-3 cm                       86 (90%)                      10 (10%)
  • >3 cm                         77 (78%)                      22 (22%)

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