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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12710/14749
Title: Giant gastric gastrointestinal stromal tumors
Other Titles: Tumorile gastrointestinale stromale gastrice gigante
Authors: Matiuța, Alina
Cernat, Mircea
Mișin, Igor
Cernat, Victor
Antoci, Lilian
Keywords: giant GIST;complex treatment;high risk
Issue Date: 2020
Publisher: Universitatea de Stat de Medicină şi Farmacie "Nicolae Testemiţanu" din Republica Moldova
Citation: MATIUȚA, Alina, CERNAT, Mircea, MIȘIN, Igor, CERNAT, Victor, ANTOCI, Lilian. Giant gastric gastrointestinal stromal tumors = Tumorile gastrointestinale stromale gastrice gigante. In: Congresul consacrat aniversării a 75-a de la fondarea USMF „Nicolae Testemițanu”, 21-23 octombrie 2020: Abstract book. Chișinău: [s. n.], 2020, p. 425.
Abstract: Background. Gastrointestinal stromal tumors (GIST) represent 0.1-3% of all mesenchymal neoplasms of the gastrointestinal tract and giant gastric (GG) GIST are rare. Objective of the study. Study of clinical, histopathological and immunohistochemical features and treatment results of GG GIST. Material and Methods. 92 patients with GG GIST(c-kit(CD117)(+) treated between 2007-2019. Study group–14 patients with GG GIST, M:F=1.8:1, mean age-59.78±2.35(95%CI:54.69-64.87) years. Results. Surgical options: excision of gastric tumor-2(14,3%), gastric wedge resection-7(50%), partial gastrectomy-5(35,7%). The mean maximum size of tumors 23,69±0,81(95%CI:21,93-25,44)cm. Immunohistochemical phenotype: CD117(+)–14(100%), CD34(+)–12(85.7%), desmin(+)–3(21.4%), vimentin(+)–10(71.4%), S-100(+)–3(21.4%), SMA(+)–8(57.1%), NSE–2(14.3%). Mean number of mitoses–24.36±6.3(95%CI:10.65-38.06). Tumors with high mitotic count were registered more frequent than with low mitotic count–11(78.6%) vs. 3(21.4%)(p<0.05). Metastases at first presentation– 28.6%(n=4) cases. Complex treatment – surgical and target therapy with imatinib mesylate–14(100%) patients. Conclusion. GG GIST are rare, but possess a higher risk of progression. Complex treatment is the best curative option. Introducere. Tumorile gastrointestinale stromale (TGIS) reprezintă 0,1-3% din neoplaziile mezenchimale ale tractului digestiv. TGIS gastrice gigante (GG) se întâlnesc rar. Scopul lucrării. Analiza particularităților clinice, a aspectelor histopatologice, imunohistochimice și a rezultatelor tratamentului TGIS GG. Material și Metode. 92 de pacienți cu TGIS GG (c-kit(CD117)(+) operați între 2007-2019. Lotul de cercetare–14 pacienți cu TGIS GG, raportul femei:bărbați– 1:1,8, vârsta medie 59,78±2,35 ani. Rezultate. Volumul operațiilor: excizia tumorii peretelui gastric– 2(14,3%), rezecție gastrică limitată–7(50%), gastrectomie subtotală–5(35,7%). Dimensiunea maximă în medie a tumorilor 23,69±0,81 cm. Profilul imunohistochimic al tumorilor: CD117(+)–14(100%), CD34(+)–12(85,7%), desmină(+)–3(21,4%), vimentină(+)–10(71,4%), S-100(+)–3(21,4%), SMA– 8(57,1%), NSE–2(14,3%). Numărul mediu al mitozelor– 24,36±6,3(95%CI:10,65-38,06). Tumorile cu indice mitotic înalt au predominat asupra tumorilor cu indice mitotic redus– 11(78,6%) vs. 3(21,4%)(p<0,05). Metastaze la adresarea primară– 28,6%(n=4) cazuri. Tratament combinat – chirurgical și target terapie cu imatinib mesilat– 14(100%) pacienți. Concluzii. TGIS gastrice gigante sunt rare, dar frecvent cu risc înalt de progresare. Tratamentul combinat este opțiunea curativă optimă.
URI: https://stiinta.usmf.md/sites/default/files/inline-files/Abstract%20Book.%20CULEGERE%20DE%20REZUMATE%20.pdf
http://repository.usmf.md/handle/20.500.12710/14749
Appears in Collections:Congresul consacrat aniversării a 75-a de la fondarea USMF „Nicolae Testemițanu”, 21-23 octombrie 2020: Abstract book

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