What is the role of biopsy in the evaluation of insulinoma?

Updated: May 31, 2020
  • Author: Zonera Ashraf Ali, MBBS; Chief Editor: Neetu Radhakrishnan, MD  more...
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Answer

Endoscopic ultrasound-guided fine-needle aspiration biopsy of insulinoma has been described; the technique combines endoscopic ultrasonography with local tumor biopsy and may be indicated when the tissue diagnosis must be established preoperatively.

Laparoscopic ultrasonography with eventual tumor biopsy may be used in rare cases when other localization techniques failed.


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