CC BY-NC-ND 4.0 · South Asian J Cancer 2023; 12(02): 206-212
DOI: 10.1055/s-0042-1758567
Original Article
Pediatrics

Wilms Tumor in India: A Systematic Review

1   Department of Pediatric Oncology, Homi Bhabha National Institute, Tata Memorial Hospital, Mumbai, Maharashtra, India
,
2   Department of Pediatric Oncology and BMT, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle Upon Tyne, United Kingdom
,
Maya Prasad
1   Department of Pediatric Oncology, Homi Bhabha National Institute, Tata Memorial Hospital, Mumbai, Maharashtra, India
› Institutsangaben
Funding None.

Abstract

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Shyam Srinivasan

Background Cure rates of childhood malignancies are inferior in India compared with upper-middle-income countries. There is paucity of quality data addressing outcome of childhood Wilms tumor (WT) from India. This systematic review was conducted to assess the disease trends, treatment strategies, and outcome indicators in WT across India.

Materials and Methods We conducted a systematic search of MEDLINE, Google Scholar, and SCOPUS database, and additionally screened International Society of Pediatric Oncology conference abstracts. Data concerning WT or nephroblastoma published from India were extracted.

Results A total of 17 studies containing 1,170 patients were included in this review. Ninety-four percent of the studies were published after the year 2010. Advanced stage (III and IV) disease was seen in 46% of included patients. In seven studies, patients underwent a pretreatment biopsy before commencement of therapy. A hybrid approach consisting of “surgery first” in a selected subset and “neo-adjuvant chemotherapy” in all others was the most common treatment strategy adopted in half of the studies. The overall survival ranged between 48 and 89%. Key prognostic factors influencing survival across studies included increased tumor volume, metastatic disease, and unfavorable histology. Nonrelapse mortality (2.7–8.5%) was noted to be high.

Conclusion Substantial proportion of children with WT from India present with advanced stages of the disease. Despite several limitations, the current systematic review showed a modest survival among Indian children with WT. Adopting strategies through collaboration to ensure early access to expert care along with involvement of social support team to improve compliance may further improve survival of WT in India.

Authors' Contributions

Shyam Srinivasan contributed to conceptualization, methodology, formal analysis, writing—original draft. Subramaniam Ramanathan was involved in formal analysis, data curation, and writing—original draft. Maya Prasad contributed to supervision, writing—review and editing, and project administration.


Supplementary Material



Publikationsverlauf

Artikel online veröffentlicht:
22. November 2022

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