The Role of Surgery in the Treatment of Melanoma Pulmonary Metastases in the Modern Era.

The lung represents a frequent site of spread for metastatic melanoma, which has historically been managed with surgical resection achieving promising outcomes. We hypothesized that the role of surgery in the management of melanoma pulmonary metastases (MPM) is evolving among the development of less invasive diagnostic and novel systemic therapeutic strategies. A single-center thoracic surgery database was reviewed and patients who underwent surgical resection of MPM between 1998 and 2019 were identified. Demographic, clinicopathologic, and surgical data were collected and analyzed, as were the annual volumes and indications for surgical resection. A Cochran-Armitage test was used to assess the trend in surgical indication. Three hundred and seventy seven surgical procedures for MPM were performed during the years of study in the care of 347 patients. Patients were predominantly male, with a mean age of 59.3 y. The mean number of annual resections was 17 and while this number initially increased from six in 1998 to a peak of 39 cases in 2008, a decline was subsequently observed. Diagnostic resection decreased from 22% in 1998-1999 to 5% at the peak of procedures in 2008-2009 and to 0 in 2018-2019 (P = 0.02). Curative resection increased from 44% in 1998-1999 to 73% in 2008-2009 (P < 0.001) and remained the dominant reason for surgery in later years. Surgical indications in the management of MPM have transformed in conjunction with systemic modalities, and the volume of resections has decreased in the modern era. Despite innovations in systemic management and shifting goals of operative interventions, surgeons continue to play a vital role in caring for these patients with an advanced disease.

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