Gastrointestinal stromal tumor other diagnostic studies
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief:
Other Diagnostic Studies
Endoscopic guided biopsy may be done for definite diagnosis of gastrointestinal stromal tumor. However, percutaneous biopsy is not routinely recommended.[1][2][3]
- GISTs are highly vascular which puts them at a risk of bleeding.
- Percutaneous fine needle biopsy may put the patient at an increased risk of tumor rupture and bleeding.
- Percutaneous biopsy can also lead to tumor seeding along the biopsy tract such as peritoneum or mesentery.
- Thus, patients in whom surgery is an option are advised not to undergo biopsy.
- Patients with unresectable GIST must undergo biopsy to determine tumor cell type and chemotherapy.
References
- ↑ Gu M, Ghafari S, Nguyen PT, Lin F (2001). "Cytologic diagnosis of gastrointestinal stromal tumors of the stomach by endoscopic ultrasound-guided fine-needle aspiration biopsy: cytomorphologic and immunohistochemical study of 12 cases". Diagn. Cytopathol. 25 (6): 343–50. PMID 11747229.
- ↑ Fu K, Eloubeidi MA, Jhala NC, Jhala D, Chhieng DC, Eltoum IE (2002). "Diagnosis of gastrointestinal stromal tumor by endoscopic ultrasound-guided fine needle aspiration biopsy--a potential pitfall". Ann Diagn Pathol. 6 (5): 294–301. PMID 12376922.
- ↑ Zhao X, Yue C (2012). "Gastrointestinal stromal tumor". J Gastrointest Oncol. 3 (3): 189–208. doi:10.3978/j.issn.2078-6891.2012.031. PMC 3418531. PMID 22943011.