Flávia Cardoso Franca, Idam de Oliveira-Junior, René Aloisio da Costa Vieira
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Forequarter Amputation for Breast Cancer. Systematic Review and Survival Analysis.
Introduction: Forequarter amputation (FA) or Interscapulothoracic disarticulation is indicated in patients with invasive breast carcinoma (BC) in selected cases: primary resection of a locally advanced or recurrent tumor, Stewart & Treves syndrome (STS), or sarcoma secondary to radiation due to breast cancer (radiation-induced sarcoma, RIS). However, no studies have robustly evaluated the indications, results, complications, recurrence and overall survival in the context of FA in patients with BC.
Material and methods: We performed a systematic review of 8 databases according to the PICOS and PRISMA methodology through December 31, 2022. Descriptive statistics are presented, and Kaplan‒Meier survival curves were generated and compared with the log-rank method.
Results: We identified 54 articles and collected data from 100 patients. The intention of FA was curative for 48 patients (57.1%) and palliative in 32 (38.1%). The procedure was performed due to STS (35%), upper limb dysfunction (18%), lymphedema (10%), recurrent axillary tumors (10%) and RIS (9%). Complications were low. The survival rates at 12, 24, 36, and 60 months were 65.6%, 42.8%, 36.4%, and 32.4%, respectively. The main factors associated with survival were tumor's condition (P = .05) and surgical intent (P < .001; multivariate analysis).
Conclusion: FA has few complications and attenuates symptoms in patients treated with both curative and palliative intent. Surgery is justified in select cases, such as locally advanced tumors, infiltration of axillary structures, upper limb lymphedema with loss of function, and STS and RIS, and often represents the best chance for local disease control and improvement in quality of life.
期刊介绍:
Clinical Breast Cancer is a peer-reviewed bimonthly journal that publishes original articles describing various aspects of clinical and translational research of breast cancer. Clinical Breast Cancer is devoted to articles on detection, diagnosis, prevention, and treatment of breast cancer. The main emphasis is on recent scientific developments in all areas related to breast cancer. Specific areas of interest include clinical research reports from various therapeutic modalities, cancer genetics, drug sensitivity and resistance, novel imaging, tumor genomics, biomarkers, and chemoprevention strategies.