CC BY-NC-ND 4.0 · Indian J Med Paediatr Oncol 2020; 41(03): 335-339
DOI: 10.4103/ijmpo.ijmpo_166_18
Original Article

Predictors of Survival in Children with Osteogenic Sarcoma Undergoing Limb Salvage Surgery: Experience from a Tertiary Cancer Center in Rural India

Vineetha Raghavan
Department of Clinical Hematology and Medical Oncology, Malabar Cancer Centre, Kannur, Kerala, India
,
TK Jithin
Department of Clinical Hematology and Medical Oncology, Malabar Cancer Centre, Kannur, Kerala, India
,
Vinin V Narayanan
Department of Radiation Oncology, Malabar Cancer Centre, Kannur, Kerala, India
,
Sangeetha K Nayanar
Department of Oncopathology, Malabar Cancer Centre, Kannur, Kerala, India
,
Satheesan Balasubrahmanian
Department of Surgical Oncology, Malabar Cancer Centre, Kannur, Kerala, India
› Author Affiliations
Financial support and sponsorship Nil.

Abstract

Context: Osteogenic Sarcoma (OGS) is the fifth most common malignancy among adolescents aged 15–19. With multimodality therapy, the long-term survival has improved from 16% in the prechemotherapy era to around 70% in the postchemotherapy era. Aim: This study aims to determine the clinical profile and survival of children with OGS being treated with limb-salvage surgery (LSS). Subjects and Methods: This is a retrospective analysis of all cases of OGS (age ≤ 19) who underwent LSS at our center between June 2009 and February 2017. Baseline characteristics were noted and multivariate analysis was performed for various variables to identify predictors of survival. Results: Among 44 cases studied majority were boys (n = 27). Ninety-three percentage (n = 41) were adolescents. Stage 2 disease was 75% and Stage 3 disease was 25%. The estimated 3-year overall survival (OS) was 69% (95% confidence interval [CI] 55–86) and the estimated 3-year event-free survival (EFS) was 55% (95% CI = 41–74). OS was significantly improved in patients with >90% necrosis postneoadjuvant chemotherapy (NACT) when compared with <90% necrosis (3-year OS = 88% vs. 51%,P= 0.01) and in patients who received ≤4 cycles NACT versus >4 cycles (78% vs. 60%,P= 0.04). EFS was significantly better in patients without lung metastasis at presentation (61% vs. 29%,P= 0.04), Stage 2 disease (59% vs. 38%,P= 0.04) and >90% necrosis in the tumor post-NACT (69% vs. 35%,P= 0.02). Conclusion: Significant response to NACT predicted improved OS and EFS in children with OGS treated with LSS.



Publication History

Received: 26 July 2018

Accepted: 02 January 2020

Article published online:
28 June 2021

© 2020. Indian Society of Medical and Paediatric Oncology. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/.)

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