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Title: Excellent Local Control Rates and Distinctive Patterns of Failure in Myxoid Liposarcoma Treated With Conservation Surgery and Radiotherapy

Abstract

Purpose: To evaluate the local control rates and patterns of metastatic relapse in patients with localized myxoid liposarcoma treated with conservation surgery and radiotherapy (RT). Patients and Methods: Between 1960 and 2003, 127 patients with non-metastatic myxoid liposarcoma were treated with conservation surgery and RT at our institution. The median patient age was 39 years (range, 14-79 years). Of the 127 patients, 46% underwent preoperative RT (median dose, 50 Gy) and 54% underwent postoperative RT (median dose, 60 Gy). Also, 28% received doxorubicin-based chemotherapy as a part of their treatment. Results: The median follow-up was 9.1 years. The overall survival rate at 5 and 10 years was 87% and 79%, respectively. The corresponding disease-free survival rates were 81% and 73%. The local control rate at {>=}5 years was 97%. The actuarial rate of distant metastases at 5 and 10 years was 15% and 24%, respectively. Of the 27 patients who developed distant metastases, 48% did so in the retroperitoneum, 22% in other extrapulmonary soft tissues, 22% in the lung, 15% in bone, and 4% in the liver. Conclusion: The results of our study have shown that RT and conservation surgery for localized myxoid liposarcoma provide excellent local control. Distant metastaticmore » relapse tended to occur in the retroperitoneum and other nonpulmonary soft tissues. Therefore, staging and surveillance imaging should include the abdomen and pelvis, as well as the thorax, for patients with localized myxoid liposarcoma.« less

Authors:
 [1]; ;  [2];  [3];  [4];  [3];  [5]
  1. Department of Radiation Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX (United States), E-mail: aguadagn@mdanderson.org
  2. Department of Radiation Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX (United States)
  3. Department of Sarcoma Medical Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX (United States)
  4. Department of Orthopaedic Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX (United States)
  5. Department of Surgical Oncology, University of Texas M.D. Anderson Cancer Center, Houston, TX (United States)
Publication Date:
OSTI Identifier:
21039790
Resource Type:
Journal Article
Journal Name:
International Journal of Radiation Oncology, Biology and Physics
Additional Journal Information:
Journal Volume: 70; Journal Issue: 3; Other Information: DOI: 10.1016/j.ijrobp.2007.07.2337; PII: S0360-3016(07)03683-8; Copyright (c) 2008 Elsevier Science B.V., Amsterdam, Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0360-3016
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; ABDOMEN; CHEMOTHERAPY; CHEST; DOXORUBICIN; FAILURES; LIVER; LUNGS; METASTASES; PATIENTS; PELVIS; RADIATION DOSES; RADIOTHERAPY; SKELETON; SURGERY

Citation Formats

Guadagnolo, B. Ashleigh, Zagars, Gunar K., Ballo, Matthew T., Patel, Shreyaskumar R., Lewis, Valerae O., Benjamin, Robert S., and Pollock, Raphael E. Excellent Local Control Rates and Distinctive Patterns of Failure in Myxoid Liposarcoma Treated With Conservation Surgery and Radiotherapy. United States: N. p., 2008. Web. doi:10.1016/j.ijrobp.2007.07.2337.
Guadagnolo, B. Ashleigh, Zagars, Gunar K., Ballo, Matthew T., Patel, Shreyaskumar R., Lewis, Valerae O., Benjamin, Robert S., & Pollock, Raphael E. Excellent Local Control Rates and Distinctive Patterns of Failure in Myxoid Liposarcoma Treated With Conservation Surgery and Radiotherapy. United States. doi:10.1016/j.ijrobp.2007.07.2337.
Guadagnolo, B. Ashleigh, Zagars, Gunar K., Ballo, Matthew T., Patel, Shreyaskumar R., Lewis, Valerae O., Benjamin, Robert S., and Pollock, Raphael E. Sat . "Excellent Local Control Rates and Distinctive Patterns of Failure in Myxoid Liposarcoma Treated With Conservation Surgery and Radiotherapy". United States. doi:10.1016/j.ijrobp.2007.07.2337.
@article{osti_21039790,
title = {Excellent Local Control Rates and Distinctive Patterns of Failure in Myxoid Liposarcoma Treated With Conservation Surgery and Radiotherapy},
author = {Guadagnolo, B. Ashleigh and Zagars, Gunar K. and Ballo, Matthew T. and Patel, Shreyaskumar R. and Lewis, Valerae O. and Benjamin, Robert S. and Pollock, Raphael E.},
abstractNote = {Purpose: To evaluate the local control rates and patterns of metastatic relapse in patients with localized myxoid liposarcoma treated with conservation surgery and radiotherapy (RT). Patients and Methods: Between 1960 and 2003, 127 patients with non-metastatic myxoid liposarcoma were treated with conservation surgery and RT at our institution. The median patient age was 39 years (range, 14-79 years). Of the 127 patients, 46% underwent preoperative RT (median dose, 50 Gy) and 54% underwent postoperative RT (median dose, 60 Gy). Also, 28% received doxorubicin-based chemotherapy as a part of their treatment. Results: The median follow-up was 9.1 years. The overall survival rate at 5 and 10 years was 87% and 79%, respectively. The corresponding disease-free survival rates were 81% and 73%. The local control rate at {>=}5 years was 97%. The actuarial rate of distant metastases at 5 and 10 years was 15% and 24%, respectively. Of the 27 patients who developed distant metastases, 48% did so in the retroperitoneum, 22% in other extrapulmonary soft tissues, 22% in the lung, 15% in bone, and 4% in the liver. Conclusion: The results of our study have shown that RT and conservation surgery for localized myxoid liposarcoma provide excellent local control. Distant metastatic relapse tended to occur in the retroperitoneum and other nonpulmonary soft tissues. Therefore, staging and surveillance imaging should include the abdomen and pelvis, as well as the thorax, for patients with localized myxoid liposarcoma.},
doi = {10.1016/j.ijrobp.2007.07.2337},
journal = {International Journal of Radiation Oncology, Biology and Physics},
issn = {0360-3016},
number = 3,
volume = 70,
place = {United States},
year = {2008},
month = {3}
}