Table 1 Desmoid tumor characteristics in Cases 1 and 2
From: Sporadic intra-abdominal desmoid tumor with a very unusual onset: two case reports
| Â | Case 1 | Case 2 |
|---|---|---|
Gender/age | Male/55 | Male/41 |
Past medical history and family history | Not applicable | Not applicable |
Symptoms | Acute abdominal pain | Asymptomatic |
Imaging features | Very large size of heterogeneous and well-defined circular tumor with cystic components | Small size of homogenous tumor with irregular and spiculated margin |
Surgical features | Elastic and expansive giant tumor on small mesentery | Small and extremely invasive solid tumor on small mesentery |
Pathological features (immunohistochemical staining) | β-catenin: strongly positive, c-kit, CD34, PDGFRα, and DOG-1: negative Ki-67 labeling index = 6% | β-catenin: strongly positive, c-kit, CD34, PDGFRα, and DOG-1: negative Ki67 Labeling index =1% |