Purpose: We aim to evaluate whether upper limb (UL) circumference (ULC) and UL swelling sensation (ULSS) performed shortly after surgery or later on during follow-up can predict long-term/persistent forms of lymphedema in women who underwent surgery for breast cancer.

Patients And Methods: Eighty-five women completed at least 24 months of follow-up. At each follow-up visit (1, 3, 6, 12, and 24 months after surgery), patients were tested for lymphedema using ULC and ULSS. Two different approaches to ULC were compared: (1) a "positive" lymphedema diagnosis if a difference ≥ 2 cm between the affected and contralateral UL was detected in at least two contiguous measurement points (MPs) and (2) a "positive" result if just one MP ≥ 2 cm. Patients were also questioned about their perception of weight, swelling, and/or tension (ULSS). The gold standard for long-term lymphedema was a water displacement difference between the UL ≥ 200 mL 24 months after surgery (ULWD).

Results: Twenty-four months after surgery, 19 (22.4%) women were diagnosed with long-term lymphedema. Using 24-month data, comparison of log-likelihoods denoted a clear superiority of the ULC approach 1 compared with 2 for the diagnosis of long-term lymphedema (p < 0.001). Using approach 1, the best prediction of a woman developing long-term lymphedema if she had a positive ULC in the follow-up was obtained at 6 months after surgery (posterior probability of 60%).

Conclusions: Our study reveals that performing ULC 6 months after surgery, regarding as "positive" only women with a difference ≥ 2 cm at two contiguous MPs, is the best strategy to identify women at increased risk of later developing permanent forms of lymphedema.

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http://dx.doi.org/10.1245/s10434-021-10290-wDOI Listing

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