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Tumor volume change as a predictor of chemotherapeutic response in osteosarcoma

Authors
 Kyoo-Ho Shin  ;  Seong-Hwan Moon  ;  Jin-Suck Suh  ;  Woo-Ick Yang 
Citation
 Clinical Orthopaedics and Related Research, Vol.376 : 200-208, 2000 
Journal Title
 Clinical Orthopaedics and Related Research 
ISSN
 0009-921X 
Issue Date
2000
Keywords
Antineoplastic Combined Chemotherapy Protocols/therapeutic use* ; Bone Neoplasms/drug therapy ; Bone Neoplasms/pathology* ; Femoral Neoplasms/drug therapy ; Femoral Neoplasms/pathology ; Humans ; Humerus ; Magnetic Resonance Imaging ; Observer Variation ; Osteosarcoma/drug therapy ; Osteosarcoma/pathology* ; Predictive Value of Tests ; Retrospective Studies ; Tibia ; Treatment Outcome
Abstract
The change in osteosarcoma tumor volume after preoperative adjuvant chemotherapy and its relationship to the histopathologic response was investigated using various reproducible volumetric methods. Tumor volume was measured before and after chemotherapy in 41 patients with osteosarcoma using an ellipsoid formula in plain radiography and magnetic resonance imaging and three-dimensional magnetic resonance imaging measurement. Based on intraobserver and interobserver variability for the volumetric measurements of each method, three-dimensional magnetic resonance imaging measurement was the most reproducible. In three-dimensional magnetic resonance measurements, the correlation of the histopathologic response with absolute and relative total tumor volume changes and extraosseous volume change were significant. The good responder group showed a greater reduction in tumor volume after chemotherapy, although there was no significant difference in pretreatment tumor volume between the good and poor responder groups. The group with a decreased or stable tumor volume represented a good histopathologic response with a sensitivity of 85%, specificity of 76%, and positive predictive value of 88%. The change in tumor volume of osteosarcoma measured by three-dimensional magnetic resonance imaging could predict histopathologic response after three cycles of neoadjuvant chemotherapy.
DOI
10.1097/00003086-200007000-00027
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Moon, Seong Hwan(문성환)
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
Shin, Kyoo Ho(신규호)
Yang, Woo Ick(양우익) ORCID logo https://orcid.org/0000-0002-6084-5019
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171610
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