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Case Reports
. 2018 Dec 19:5:e96.
doi: 10.14309/crj.2018.96. eCollection 2018.

Gastric Angiomyolipoma Masquerading as Gastric Malignancy

Affiliations
Case Reports

Gastric Angiomyolipoma Masquerading as Gastric Malignancy

Divya Achutha Ail et al. ACG Case Rep J. .

Abstract

Gastric angiomyolipoma (AML) is extremely rare, with only 3 cases reported in English literature, all of which presented with upper gastrointestinal bleed, either in the form of hematemesis or melena. A 42-year-old man presented with upper gastrointestinal bleed, the source of which was found to be a large mass in the stomach, which was shown histologically to be gastric AML. This is the fourth but largest tumor (9 × 6 × 5 cm) to be reported to date.

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Figures

Figure 1
Figure 1
Endoscopic image of the stomach showing a large submucosal lesion with overlying ulceration in the gastric body.
Figure 2
Figure 2
Gross picture showing a large submucosal tumor of stomach, a mass with overlying mucosa (star), and adjacent normal gastric mucosa (white arrow). The inset shows a yellow cut surface with gray and white areas and prominent vessels (arrow).
Figure 3
Figure 3
(A) Hematoxylin and eosin (H&E) stain (50×) showing gastric submucosal lipomatous tumor cells with mucosal ulceration. Inset shows source of bleeding (arrow). (B and C) H&E stain (100×) of triphasic component of tumor comprising adipocytes (arrow with star), thick-walled vessel (black arrow), and smooth muscle emanating from the vessel (arrow with #). (D) Smooth muscle actin stain (100×) highlighting smooth muscles emanating from the vessel wall (arrow).

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