Gastric schwannoma misdiagnosed as gastrointestinal stromal tumor by ultrasonography before surgery: A case report

Figure 2 Abdominal computed tomography plain scan and enhancement. A: Plain computed tomography (CT) showed a local soft tissue density mass in gastric wall (orange arrow), smooth boundary, local protrusion outside the contour of the stomach, with surrounding enlarged lymph nodes (white arrow); B: Enhanced CT showed a markedly enhanced mass (orange arrow), with surrounding enlarged lymph nodes (white arrow).