CASE 33

History: A 48-year-old man presents with epigastric pain.

1. Which of the following should be included in the differential diagnosis of the dominant imaging finding? (Choose all that apply.)

A. Lipoma

B. Lymphoma

C. Neurofibroma

D. Stromal tumor

E. Duplication cyst

2. What is the most common benign submucosal tumor of the stomach?

A. Lipoma

B. Neurofibroma

C. Stromal tumor

D. Duplication cyst

3. How is a malignant tumor (leiomyosarcoma) distinguished from a benign stromal tumor (leiomyoma)?

A. Tumor size

B. Metastases

C. Mucosal surface ulceration

D. Mitotic activity on pathology

4

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