Hand Edema in Patients at Risk of Breast Cancer-Related Lymphedema: Health Professionals Should Take Notice.

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There is little research on hand edema in the population at risk for breast cancer-related lymphedema (BCRL).

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Study aims included reporting potential importance of hand edema (HE) as a risk factor for progression of edema in patients treated for breast cancer at risk for BCRL, reporting risk factors for BCRL, and reporting treatment of HE.

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This was a retrospective analysis of 9 patients treated for breast cancer in Massachusetts General Hospital's lymphedema screening program who presented with isolated HE. Limb volumes via perometry, BCRL risk factors, and HE treatment are reported.

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Edema was mostly isolated to the hand. Three patients had arm edema >5% on perometry; and 2 of these had edema outside the hand on clinical examination. Patients were at high risk of BCRL with an average of 2.9/5 known risk factors. Arm edema progressed to >10% in 2 high-risk patients. Treatment resulted in an average hand volume reduction of 10.2% via perometry and improvement upon clinical examination.

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The small sample size and lack of validated measures of subjective data were limitations.

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In this cohort, patients with HE carried significant risk factors for BCRL. Two out of 9 (22%), both carrying ≥4/5 risk factors, progressed to edema >10%. Isolated HE may be a prognostic factor for edema progression in patients treated for breast cancer at risk for BCRL. Further research is warranted.