Table 1 Patient demographics
From: Generation of orthotopic patient-derived xenografts from gastrointestinal stromal tumor
| Â | Number |
|---|---|
Age | Â |
  Mean | 62 years |
  Range | 46 – 72 years |
Gender | Â |
  Male | 2 |
  Female | 1 |
Location of primary tumor | Â |
  Stomach | 0 |
  Small bowel | 3 |
   Duodenum | 1 |
   Jejunum | 1 |
   Ileum | 1 |
Presentation | Â |
  Abdominal pain | 2 |
  Bleeding | 1 |
  Recurrence/metastasis on CT scan | 1 |
Previous imatinib therapy | Â |
  Yes | 1 |
  No | 2 |
Primary tumor size | Â |
  Mean | 19.2 cm |
  Range | 6.5 – 38.0 cm |
Mitotic index (mitoses per 5 mm 2 ) | Â |
  Mean | 32.7 |
  Range | 10 – 65 |
Peritoneal metastases | Â |
  Yes | 2 |
  No | 1 |
KIT exon mutational analysis | Â |
  Exon 9 | 2 |
  Exon 11 | 1 |
  Exon 13/14 | 0 |
  Exon 17/18 | 0 |