Fig. 1 Cross section through gastrointestinal stromal tumor involving the muscularis propria and subserosa of the duodenum and involvement of mesenteric fat, with an adjacent satellite tumor nodule 1.3 Histopathology…
Fig. 1 Imaging, operative, gross, and histopathology of a liver GIST metastasis. (a) Preoperative MRI imaging of isolated peripheral liver metastasis, as noted by the arrow. (b) PET scan showing…
Site % Gastric 60–70 Small intestine 25–33 Jejunum/ileum 27 Duodenum 5 Rectum 3–10 Large intestine 3–5 Esophagus <1 Other intra-abdominal 8 Extra-abdominal <5 GIST tends to be quite friable and…
Fig. 1 Duodenal gastrointestinal stromal tumor with overlying normal mucosa Fig. 2 Gastrointestinal stromal tumor with overlying ulcers in the proximal gastric body 5.2 Endoscopic Ultrasonography Standard endoscopy provides imaging…
Fig. 1 Port placement and patient positioning for laparoscopic wedge resection [10] 2.2 Laparoendoscopic Technique This technique, as previously described [19], is for patients with predominantly intraluminal masses. Positioning is…
Fig. 1 CT characteristics of GISTs. (a) Polypoid gastric GIST (arrow), (b) Exophytic gastric GIST (c) Exophytic small bowel GIST fistulizing to the bowel lumen note the contrast within the…
Fig. 1 Surgical palliation refers to the use of a procedure with the intention of relieving symptoms, minimizing patient distress, increasing the durability of treatment, improving quality of life, decreasing…
Fig. 1 CT scans in a patient with gastroesophageal junction GIST (red circle) before (a) and after (b) 3 months of neoadjuvant imatinib, showing partial response Fig. 2 PET scans…
GIST location N Progression rate with full long-term follow-up Size <5 cm Size <5 cm Size >10 cm Size >10 cm <5 mitoses per 50 HPFs >5 mitoses per 50…
