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Rare Stomach Tumor Case: 60-Year-Old Patient Has 1 in 100,000 Disease

Rare Stomach Tumor Case: 60-Year-Old Patient Has 1 in 100,000 Disease

Khaosod•Society•21d ago

Reader Briefing

A 60-year-old woman's routine check-up revealed a rare Gastrointestinal stromal tumor (Gist) in her stomach, a condition affecting 1 in 100,000 people, prompting surgery and a three-year targeted therapy.

  • •Dr. Manoon Leelawong presented a case of a 60-year-old female patient diagnosed with Gastrointestinal stromal tumor (Gist).
  • •The tumor, measuring 2 cm, was discovered during a gastroscopy and is a rare condition occurring in approximately 1 in 100,000 people.
  • •The patient underwent surgery to remove the tumor and is receiving a three-year course of targeted therapy with Imatinib.
  • •The development of Imatinib produced in Thailand by the Chulabhorn Royal Academy has significantly reduced its cost and improved accessibility.

Overview

  • •On June 4, 2026, Dr. Manoon Leelawong posted on Facebook about a 60-year-old patient experiencing mild anemia and blood in stool.
  • •The patient underwent gastroscopy and colonoscopy, with the gastroscopy revealing a 2 cm nodule in the stomach.
  • •A biopsy of the stomach nodule led to the diagnosis of Gastrointestinal stromal tumor (Gist).
  • •The patient had surgery to remove the 2.2 x 1.2 x 1.2 cm tumor from her stomach.
  • •Post-surgery, the patient commenced a three-year course of targeted therapy with Imatinib to prevent cancer recurrence.
  • •Gist is a rare cancer affecting approximately 1 in 100,000 people, with early detection and small tumor size leading to higher recovery rates.
  • •Professor Dr. Her Royal Highness Princess Chulabhorn Walailak provided 690,000 tablets of Im-Cra-Nip to the National Health Security Office (NHSO).
  • •Im-Cra-Nip, an Imatinib formulation produced in Thailand by the Chulabhorn Royal Academy, has made the drug more affordable and accessible.

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Key Quotes

Dr. Manoon Leelawong
"A 60-year-old female patient, generally healthy, no weight loss, no abdominal pain, normal stool. Came for annual check-up with normal physical examination and laboratory tests. Mild anemia Hb 11 g/dL. Found blood in stool. Recommended to undergo gastroscopy and colonoscopy."
ผู้ป่วยหญิงอายุ 60 ปี ปกติแข็งแรงดี น้ำหนักไม่ลด ไม่ปวดท้อง อุจจาระสีปกติ มาตรวจร่างกายประจำปี ตรวจร่างกายปกติ ตรวจทางห้องปฏิบัติการ เลือดจางเล็กน้อย Hb 11 g/dL พบเลือดในอุจจาระ แนะนำให้ทำการส่องกล้องกระเพาะอาหารและลำไส้ใหญ่
Dr. Manoon Leelawong
"Gastrointestinal stromal tumor 'Gist,' a cancer of connective tissue cells in the stomach wall."
Gastrointestinal stromal tumor “Gist“ หรือ”จิสต์” มะเร็งของเซลล์เนื้อเยื่อเกี่ยวพันที่อยู่ในผนังของกระเพาะอาหาร
Dr. Manoon Leelawong
"Gist is a rare disease, found about 1 in 100,000 people. If found early and the tumor size is small (2 cm), the chance of spreading to the liver or peritoneum decreases, and the chance of a full recovery is high."
โรค Gist เป็นโรคหายาก พบประมาณ 1 ในแสนคน ถ้าพบเร็ว ขนาดเนื้องอกเล็ก 2 เซนติเมตร โอกาสกระจายไปตับ เยื่อบุช่องท้องลดลง และโอกาสหายขาดสูง

Key Entities

Person

Dr. Manoon(หมอมนูญ)
A specialist in respiratory diseases at Vichaiyut Hospital who presented the case of a rare Gist tumor.
Dr. Manoon Leelawong(นพ.มนูญ ลีเชวงวงศ์)
A specialist in respiratory diseases at Vichaiyut Hospital who presented the case of a rare Gist tumor.
Professor Dr. Her Royal Highness Princess Chulabhorn Walailak(ศาสตราจารย์ ดร. สมเด็จพระเจ้าน้องนางเธอ เจ้าฟ้าจุฬาภรณวลัยลักษณ์)ℹ️
Royal patron who donated 690,000 tablets of Im-Cra-Nip to the NHSO.

Organization

Vichaiyut Hospital(โรงพยาบาลวิชัยยุทธ)
The hospital where Dr. Manoon Leelawong practices.
Chulabhorn Royal Academy Pharmaceutical Manufacturing Plant(โรงงานผลิตเภสัชภัณฑ์ในพระดำริ ราชวิทยาลัยจุฬาภรณ์)
The facility that produces the Thai-manufactured Imatinib (Im-Cra-Nip).
National Health Security Office (NHSO)(สำนักงานหลักประกันสุขภาพแห่งชาติ)ℹ️
The recipient of the donated Im-Cra-Nip tablets.

Law

Imatinib(อิมาตินิบ)ℹ️
A targeted therapy drug used to treat Gist and chronic myeloid leukemia.
Im-Cra-Nip(อิมครานิบ)
The Thai-produced brand of Imatinib, manufactured by the Chulabhorn Royal Academy.