Features of synchronous versus metachronous metastasectomy in adrenal cortical carcinoma: Analysis from the US adrenocortical carcinoma database

Katherine M. Prendergast, Paula Marincola Smith, Thuy B. Tran, Lauren M. Postlewait, Shishir K. Maithel, Jason D. Prescott, Timothy M. Pawlik, Tracy S. Wang, Jason Glenn, Ioannis Hatzaras, Rivfka Shenoy, John E. Phay, Lawrence A. Shirley, Ryan C. Fields, Linda X. Jin, Sharon M. Weber, Ahmed Salem, Jason K. Sicklick, Shady Gad, Adam C. YoppJohn C. Mansour, Quan Yang Duh, Natalie Seiser, Konstantinos I. Votanopoulos, Edward A. Levine, George A. Poultsides, Carmen C. Solórzano, Colleen M. Kiernan

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Abstract

Background: Adrenocortical carcinoma is a rare, aggressive cancer. We compared features of patients who underwent synchronous versus metachronous metastasectomy. Methods: Adult patients who underwent resection for metastatic adrenocortical carcinoma from 1993 to 2014 at 13 institutions of the US adrenocortical carcinoma group were analyzed retrospectively. Patients were categorized as synchronous if they underwent metastasectomy at the index adrenalectomy or metachronous if they underwent resection after recurrence of the disease. Factors associated with overall survival were assessed by univariate analysis. Results: In the study, 84 patients with adrenocortical carcinoma underwent metastasectomy; 26 (31%) were synchronous and 58 (69%) were metachronous. Demographics were similar between groups. The synchronous group had more T4 tumors at the index resection (42 vs 3%, P < .001). The metachronous group had prolonged median survival after the index resection (86.3 vs 17.3 months, P < .001) and metastasectomy (36.9 vs 17.3 months, P = .007). Synchronous patients with R0 resections had improved survival compared to patients with R1/2 resections (P = .008). Margin status at metachronous metastasectomy was not associated with survival (P = .452). Conclusion: Select patients with metastatic adrenocortical carcinoma may benefit from metastasectomy. Patients with metachronous metastasectomy have a more durable survival benefit than those undergoing synchronous metastasectomy. This study highlights need for future studies examining differences in tumor biology that could explain outcome disparities in these distinct patient populations.

Original languageEnglish (US)
JournalSurgery (United States)
DOIs
StateAccepted/In press - Jan 1 2019

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ASJC Scopus subject areas

  • Surgery

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Prendergast, K. M., Smith, P. M., Tran, T. B., Postlewait, L. M., Maithel, S. K., Prescott, J. D., Pawlik, T. M., Wang, T. S., Glenn, J., Hatzaras, I., Shenoy, R., Phay, J. E., Shirley, L. A., Fields, R. C., Jin, L. X., Weber, S. M., Salem, A., Sicklick, J. K., Gad, S., ... Kiernan, C. M. (Accepted/In press). Features of synchronous versus metachronous metastasectomy in adrenal cortical carcinoma: Analysis from the US adrenocortical carcinoma database. Surgery (United States). https://doi.org/10.1016/j.surg.2019.05.024