Cancer Res Treat.  2012 Jun;44(2):85-96.

Clinical Practice Guideline for Accurate Diagnosis and Effective Treatment of Gastrointestinal Stromal Tumor in Korea

Affiliations
  • 1Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. ykkang@amc.seoul.kr
  • 2Division of Hematology/Oncology, Department of Internal Medicine, Korea Cancer Center Hospital, Korea Institute Radiological and Medical Sciences, Seoul, Korea.
  • 3Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 4Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 5Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 6Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
  • 7Department of Surgery & Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.

Abstract

Despite their rarity in incidence and prevalence, gastrointestinal stromal tumors (GISTs) have emerged as a distinct and noteworthy pathogenetic entity. The clinical management of GISTs has rapidly evolved due to the recent elucidation of their oncogenic signal transduction pathway and the introduction of molecular-targeted therapies. Successful management of GISTs requires a multidisciplinary approach firmly based on an accurate histopathologic diagnosis. In 2007, the Korean GIST study group published the first guideline for optimal diagnosis and treatment of GISTs in Korea. The second version of the guideline was published in 2010. Herein, we provide the results of relevant clinical studies for the purpose of further revision to the guideline. We expect this new guideline will enhance the accuracy of diagnosis, as performed by members of the Korean associate of physicians involved in GIST patient care, thus improving the efficacy of treatment.

Keyword

Guideline; Gastrointestinal stromal tumors; Diagnosis; Surgery; Drug therapy; Molecular targeted therapy; Imatinib; Sunitinib

MeSH Terms

Benzamides
Gastrointestinal Stromal Tumors
Incidence
Indoles
Korea
Molecular Targeted Therapy
Patient Care
Piperazines
Prevalence
Pyrimidines
Pyrroles
Signal Transduction
Imatinib Mesylate
Benzamides
Indoles
Piperazines
Pyrimidines
Pyrroles

Figure

  • Fig. 1 Photomicrograph of a typical spindle cell type gastrointestinal stromal tumor (A, H&E staining, ×200). In the stomach, spindle cells frequently contain many vacuoles (arrows) (B, H&E staining, ×400).

  • Fig. 2 In a gastrointestinal stromal tumor (GIST) of the small intestine (A, H&E staining, ×200) the malignant tumor shows typical GIST dedifferentiated histology (B, H&E staining, ×400) and a poorly differentiated sarcoma area (C, H&E staining, ×400).

  • Fig. 3 Gastrointestinal stromal tumors which are positive for KIT protein (A, immunohistochemical staining, ×200) and DOG-1 (B, immunohistochemical staining, ×200). Smooth muscle bundles and blood vessels serve as internal negative controls.


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