Clinicopathological features and outcomes of gastrointestinal stromal tumours in oman a multi-centre study

Zainab Al-Maqrashi*, Ikram A. Burney, Kadhim M. Taqi, Yaqoob Al-Sawafi, Asim Qureshi, Ritu Lakhtakia, Itrat Mehdi, Bassim Al-Bahrani, Shiyam Kumar, Mansour Al-Moundhri

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

ملخص

Objectives: This study aimed to report the clinicopathological features, management and long-term outcomes of patients with gastrointestinal stromal tumours (GISTs) in Oman. Methods: This retrospective study was conducted on patients treated for GIST between January 2003 and December 2017 at three tertiary referral centres in Muscat, Oman. All patients with confirmed histopathological diagnoses of GIST and followed-up at the centres during this period were included. Relevant information was retrieved from hospital records until April 2019. Results: A total of 44 patients were included in the study. The median age was 55.5 years and 56.8% were female. The most common primary site of disease was the stomach (63.6%) followed by the jejunum/ileum (18.2%). Two patients (4.5%) had c-Kit-negative, discovered on GIST-1-positive disease. A total of 24 patients (54.5%) presented with localised disease and eight (33.3%) were classified as being at high risk of relapse. Patients with metastatic disease received imatinib in a palliative setting, whereas those with completely resected disease in the intermediate and high-risk groups were treated with adjuvant imatinib. Of the six patients (13.6%) with progressive metastatic disease, of which four had mutations on exon 11 and one on exon 9, while one had wild-type disease. Overall, rates of progression-free survival and overall survival (OS) at 100 months were 77.4% and 80.4%, respectively. Rates of OS for patients with localised and metastatic disease were 89.9% and 80.2%, respectively. Conclusion: The presenting features and outcomes of patients with GISTs in Oman were comparable to those reported in the regional and international literature.

اللغة الأصليةEnglish
الصفحات (من إلى)e237-e243
دوريةSultan Qaboos University Medical Journal
مستوى الصوت21
رقم الإصدار2
المعرِّفات الرقمية للأشياء
حالة النشرPublished - يونيو 21 2021

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