World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website https://www.wjon.org

Letter to the Editor

Volume 12, Number 2-3, June 2021, pages 77-80


Primary Ewing Sarcoma of the Stomach

Tables

Table 1. The Differences Between ES/PNET Subtypes
 
Skeletal ES/PNETExtraskeletal ES/PNET
ES: Ewing sarcoma; PNET: primitive neuroectodermal tumor; M: male; F: female.
Incidence80-85%15-20%
Organs involvedBone and deep soft tissuesPancreas, kidneys, stomach, small bowel, esophagus, ovaries and vagina
M/F ratio1.5:11:1
Average age at presentation15 years old20 years old

 

Table 2. Reported Cases of Primary Ewing Sarcoma of the Stomach
 
Case reportAgeSexClinical presentationPre-operative diagnosisEndoscopic findingsCT scan findingsTreatmentEWS/FLI1 fusion genetic mutation (11;22) translocation
F: female; M: male; UGIB: upper gastrointestinal bleeding; CT: computed tomography.
Khuri et al, 2016 [9]31FAbdominal pain and coffee ground vomiting (UGIB)ConfirmedLarge ulcerated mass at the lesser curvature9-cm circumferential hypodense mass at the lesser curvatureSurgical resectionPositive
Soulard et al, 2005 [3]66FAbdominal pain and vomitingNot confirmedUlcerated mass at the antrumNot availableSurgical resectionPositive
Hopp et al, 2019 [4]24MAbdominal pain and vomitingConfirmedUlcerated mass at the antrum10-cm exophytic mass at posterior gastric wallNeoadjuvant chemotherapy and surgical resectionNot reported
Kim et al, 2012 [11]35FAsymptomaticNot confirmedProtruding mass at the antrumNot availableSurgical resectionNegative
Rafailidis et al, 2009 [12]68MAbdominal pain and palpable abdominal massNot confirmedUlcerated mass at the antrumExophytic large mass outgrowing from stomach bodySurgical resection and adjuvant chemotherapyPositive
Song et al, 2016 [13]55MUGIB (melena)Not confirmedUlcerated mass at the stomach bodyNot availableSurgical resectionPositive
Maxwell et al, 2016 [14]63FAbdominal pain and symptomatic anemiaConfirmedLarge ulcerated mass at gastric antrumHomogeneous circumferential mass involving the antrumSurgical resection and adjuvant chemotherapyPositive
Kumar et al, 2016 [15]32FAbdominal painNot confirmedNot available11-cm exophytic mass at the lesser curvatureSurgical resection and adjuvant chemotherapyNot reported