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Evaluation of neoadjuvant therapy and histopathologic response in primary, high‐grade retroperitoneal sarcomas using the sarcoma nomogram
Cancer, 2010-08, Vol.116 (16), p.3883-3891
Donahue, Timothy R.
Kattan, Michael W.
Nelson, Scott D.
Tap, William D.
Eilber, Frederick R.
Eilber, Fritz C.
2010
Details
Autor(en) / Beteiligte
Donahue, Timothy R.
Kattan, Michael W.
Nelson, Scott D.
Tap, William D.
Eilber, Frederick R.
Eilber, Fritz C.
Titel
Evaluation of neoadjuvant therapy and histopathologic response in primary, high‐grade retroperitoneal sarcomas using the sarcoma nomogram
Ist Teil von
Cancer, 2010-08, Vol.116 (16), p.3883-3891
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2010
Link zum Volltext
Quelle
Electronic Journals Library
Beschreibungen/Notizen
BACKGROUND: Patients with primary high‐grade retroperitoneal soft tissue sarcomas have a 5‐year disease‐specific survival (DSS) of <40%. The impact of neoadjuvant therapy on histopathologic response and DSS are unknown. METHODS: From 1987 to 2007, 55 patients with primary high‐grade retroperitoneal sarcoma received neoadjuvant therapy. All patients underwent surgical resection, and response was assessed histopathologically. Patients with ≥95% pathologic necrosis were classified as responders. Clinicopathologic variables were analyzed for association with DSS. Observed DSS was then compared with the Memorial Sloan‐Kettering Cancer Center Sarcoma Nomogram predicted DSS. RESULTS: The median tumor size was 15 cm, and the median follow‐up time for survivors was 68 months. The 5‐year DSS for all 55 patients was 47% and did not significantly differ from the 37% predicted by the sarcoma nomogram for such patients (P = .44). Fourteen (25%) of the patients had ≥95% pathologic necrosis and were defined as responders; 41 (75%) were nonresponders. The 5‐year DSS for responders was 83%. This was significantly better than the 5‐year DSS of 34% for nonresponders (P = .002) and the 39% predicted by the sarcoma nomogram for responders (P = .018). The 34% 5‐year DSS for nonresponders did not significantly differ from the 35% predicted by the sarcoma nomogram (P = .51). CONCLUSIONS: Neoadjuvant therapy was not associated with an overall improvement in DSS in patients with primary high‐grade retroperitoneal sarcoma compared with the sarcoma nomogram prediction. Histopathologic response to neoadjuvant therapy was associated with a significantly improved DSS compared with nonresponders and with the sarcoma nomogram prediction for such patients. Cancer 2010. © 2010 American Cancer Society. Neoadjuvant therapy was not associated with an overall improvement in disease‐specific survival (DSS) in patients with primary high‐grade retroperitoneal sarcoma compared with the Memorial Sloan‐Kettering Cancer Center (MSKCC) Sarcoma Nomogram prediction. Histopathologic response to neoadjuvant therapy was associated with a significantly improved DSS compared with nonresponders and with the MSKCC Sarcoma Nomogram prediction for such patients.
Sprache
Englisch
Identifikatoren
ISSN: 0008-543X
eISSN: 1097-0142
DOI: 10.1002/cncr.25271
Titel-ID: cdi_proquest_miscellaneous_748927857
Format
–
Schlagworte
Abdomen
,
Adolescent
,
Adult
,
Aged
,
Biological and medical sciences
,
Chemotherapy, Adjuvant
,
Female
,
Gastroenterology. Liver. Pancreas. Abdomen
,
histopathologic response
,
Humans
,
Male
,
Medical sciences
,
Middle Aged
,
Neoadjuvant Therapy
,
Nomograms
,
Radiotherapy, Adjuvant
,
Retroperitoneal Neoplasms - mortality
,
Retroperitoneal Neoplasms - pathology
,
Retroperitoneal Neoplasms - surgery
,
Retroperitoneal Neoplasms - therapy
,
retroperitoneal sarcoma
,
Sarcoma - mortality
,
Sarcoma - pathology
,
Sarcoma - surgery
,
Sarcoma - therapy
,
sarcoma nomogram
,
Survival Analysis
,
Tumors
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