case_images: PMC9949283_01
case_images: PMC9949283_02
case_images: A) axial; B) sagittal views of abdominal CT scan revealing a large mixed echogenic mass arising from the gastric wall involving the surrounding organs (arrow); C) showing lung metastasis (arrow)
case_images: PAMJ-42-223-g001.jpg
case_images: PMC9949283_02_PAMJ-42-223-g001.jpg
case_images: F1
case_images: There were multiple metastases of the lung, liver, and multiple pulmonary and mesenteric lymphadenopathies (Figure 1 A,B).
case_images: A) the tumor showing a fascicular growth pattern of smooth muscle cells with cigar-shaped nuclei; B) abnormal mitosis; C) pleomorphism; D) and massive coagulative type necrosis
case_images: PAMJ-42-223-g002.jpg
case_images: PMC9949283_02_PAMJ-42-223-g002.jpg
case_images: F2
case_images: The histopathology was reviewed by an expert pathologist, which showed a fascicular growth pattern of smooth muscle tumor and nuclear pleomorphism suggestive of a high-grade gastric LMS (Figure 2 A,B,C,D).
case_images: A) immunohistochemistry showing that tumor cells are positive for SMA; B) negative for CD117; C) CD34; D) and S100
case_images: PAMJ-42-223-g003.jpg
case_images: PMC9949283_02_PAMJ-42-223-g003.jpg
case_images: F3
case_images: Tumor cells expressed were positive for SMA and negative for CD34, CD117, and S100 (Figure 3 A,B,C,D).