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Paediatric soft tissue sarcomas in a resource constrain setting: Grade and stage at presentation and at oncologic intervention are usually of poor prognostic characteristics.
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  • Gabriel Ogun,
  • Uchenna S Ezenkwa,
  • Taiwo O Babatunde,
  • Michael C Nweke,
  • Omolade O Adegoke,
  • Oludare O Olulana,
  • Biobele J Brown
Gabriel Ogun
University of Ibadan College of Medicine

Corresponding Author:olabiyiogun@gmail.com

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Uchenna S Ezenkwa
University of Ibadan College of Medicine
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Taiwo O Babatunde
University of Ibadan College of Medicine
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Michael C Nweke
University of Ibadan College of Medicine
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Omolade O Adegoke
University of Ibadan College of Medicine
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Oludare O Olulana
University of Ibadan College of Medicine
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Biobele J Brown
University of Ibadan College of Medicine
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Abstract

Aim: To describe the pattern of paediatric soft tissue sarcomas with emphasis on the grade and stage at the first surgical or medical oncologic intervention. Methods: We retrospectively reviewed all cases of histologically confirmed paediatric Soft Tissue Sarcomas in the Department of Pathology, University College Hospital (UCH), Ibadan, Nigeria in children age 0-14 years. The study period was January 1991 to December 2016. Information obtained included age, gender, morphology and site of the tumours. The tumour grade and pathologic/clinical staging of all cases that had surgical biopsy or surgical resection were also obtained and verified from the clinical records. Tumour grading was carried out using the Fédération Nationale des Centres de Lutte Contre le Cancer (FNCLCC) Sarcoma group grading system and staging was done using TNM. Results: One hundred and twelve cases were seen with an almost equal male-to-female ratio and age range from 5 months to 14 years (median 8.5 years). The peak age group was 5-9 years. Rhabdomyosarcoma was by far the most common histological type (73.2%). Other types were undifferentiated sarcomas (6.3%), fibrosarcoma (5.4%), Kaposi sarcoma (4.5%), and 2.7% each for synovial sarcoma, dermatofibrosarcoma protuberans. The common primary sites were the head and neck (including the orbit) 51(45.5%), and the abdominopelvic 27(24.1%) regions. Other sites included the lower limb 13(11.6%), trunk 12(10.7%), upper limb 6(5.4%). Majority (67.9%) had histologic grade 3 at presentation based on the FNCLCC grading system. About 48.2% had Stage T2b while 9.8% were stage T2a based on American Joint Committee on Cancer Staging (AJCC) system. Conclusion: Rhabdomyosarcoma, undifferentiated sarcomas and Kaposi sarcoma are the commonest paediatric malignant soft tissue tumours in our practice. Majority of our patients present with late stage tumour and with high histologic grade thereby conferring poor prognosis at presentation/first surgical or medical oncologic intervention.
29 May 2020Submitted to International Journal of Clinical Practice
01 Jun 2020Submission Checks Completed
01 Jun 2020Assigned to Editor
02 Jun 2020Reviewer(s) Assigned
03 Jul 2020Review(s) Completed, Editorial Evaluation Pending
15 Oct 20201st Revision Received
16 Oct 2020Submission Checks Completed
16 Oct 2020Assigned to Editor
16 Oct 2020Reviewer(s) Assigned
01 Nov 2020Review(s) Completed, Editorial Evaluation Pending
26 Nov 20202nd Revision Received
27 Nov 2020Submission Checks Completed
27 Nov 2020Assigned to Editor
27 Nov 2020Reviewer(s) Assigned
12 Dec 2020Review(s) Completed, Editorial Evaluation Pending
16 Dec 2020Editorial Decision: Accept