Gastrointestinal Stromal GIST

CT chest, abdomen and pelvis; or MRI of abdomen and pelvis if CT contrast is contrainidcated

PET after tissue diagnosis is made

PET/CT to assess effectiveness of treatment

CT of Abdomen and Pelvis if clinically indicated

PET reserved for indeterminate CT or MRI results

NCCN Guidelines Version 1.2015 Gastrointestinal Stromal Tumors (GIST) accessed 7/16/2015

NCCN Practice Guidelines in Oncology v.2.2012 Soft Tissue Sarcoma (GIST) accessed 7/22/2012

Lee SH, Ha HK, Byun JY, et al. Radiological features of leiomyomatous tumors of the colon and rectum. J Comput Assist Tomogr 2000; 24:407.

Van den Abbeele AD. The lessons of GIST–PET and PET/CT: a new paradigm for imaging. Oncologist 2008; 13 Suppl 2:8.