PMC7732962_01
A; Upper endoscopy, the tumor is located on the lesser curvature. B; Endoscopic ultrasound the low-echo lesion had a regular and clear margin and was inside the submucosal layer.
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A 103 x 46.6 mm submucosal mass in the lesser curvature 5 cm away from the cardias covered with normal mucosa was detected (Fig. 1A). EUS fine-needle aspiration was achieved for pathological evaluation and was completed safely without any complications (Fig. 1B).
A: CT, the tumor is seen in the gastric wall. B: CT, showing contrast extravasation of the tumor.
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Complementary exams revealed severe anemia (Hb: 5.5 mg/dl), and a contrast-enhanced computed tomography revealed the previous 102 x 56.3 x 46.6 mm gastric tumor; however, contrast extravasation was seen from the tumor vessels into the gastric cavity (Fig. 2A & B).
A: Blood is seen in the gastric cavity. B: Gastric GIST, with clot and ulcer. C: Resection of the Gastric GIST.
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After this, the tumor was extracted, the trocars were removed from the stomach, and the gastrostomies were closed using a 3-0 sterile synthetic absorbable monofilament. (PDS, Johnson & Johnson Medical) The rest of the procedure was completed without complications (Fig. 3A-C).