PMC7336193_01
(a) Abdominal computed tomography scan showing about 8 x 3 cm nonenhancing mass (50~60 Hounsfield unit) in the stomach antrum and lower body, suggesting submucosal hematoma. (b) Gastroscopy showing ruptured intramural hematoma on the anterior wall of antrum and low body. (c) Gastroscopy showing ruptured mucosa and hematoma in inside the mucosa wall.
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The Hounsfield unit of mass was 50~60 units (Figure 1(a)). Dark red hematoma was noted inside the mass (Figure 1(b)).
(a) Significant decreased size of hematoma in the stomach antrum and lower body compared with previous computed tomography. No visible active bleeding in stomach is observed. (b) Gastroscopy showing active ulcer on the anterior wall of the antrum and low body.
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On hospital day 8, the gastric intramural hematoma has disappeared in the follow-up abdominal CT scan (Figure 2(a)). EGD, the gastric intramural hematoma on anterior wall of low body and proximal antrum has disappeared. EGD showed active ulcer on the same site (Figure 2(b)).
(a) Gastroscopy showing whitish thread-like worm on gastroesophageal junction. (b) Gastroscopic finding: the whitish thread-like worm is being removed by using a biopsy forcep. (c) Gross finding showing 2 cm whitish thread-like worm, identified as anisakis larva.
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It was confirmed as anisakis (Figures 3(a)-3(c)).