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Peritoneal Surface Disease Severity Score as a predictor of resectability in the treatment of peritoneal surface
William Yoon1, Amer Alame1, Richard Berri1
1Department of Surgery, Section of Surgical Oncology, St John Hospital and Medical Center, Van Elslander Cancer Center, Detroit, MI 48236, USA.
Background:
We evaluated the clinical utility of the Peritoneal Surface Disease Severity Score (PSDSS) as a preoperative predictor of resectability in the treatment of peritoneal surface malignancies.
Methods:
Forty-nine patients were selected for cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) and were stratified according to the PSDSS retrospectively.
Results:
Of 52 cytoreductive surgeries performed in 49 patients, HIPEC was performed in 33 cases (63%). We analyzed 31 cases of appendiceal and colorectal cancer patients who underwent CRS and HIPEC and 12 who underwent CRS only. 68% of the patients in whom CRS and HIPEC was performed were classified as PSDSS stage I or II. Contrastingly, all patients in whom CRS and HIPEC was unachievable were scored as PSDSS stage III or IV.
Conclusions:
The outcomes of this study suggest that the PSDSS can be used as a preoperative assessment tool to predict disease resectability in the treatment of peritoneal surface malignancies.
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