Gastric adenomyoma determined incidentally during sleeve gastrectomy: A case report

Abstract

Gastric adenomyoma is a rare benign tumor, characterized by gland-like structures embedded within a smooth muscle stroma. We report the case of a 26-year-old woman with a body mass index (BMI) of 51 kg/m2 who was not having any metabolic diseases was prepared for obesity surgery. No pathologies were detected in the abdominal ultrasound or upper gastrointestinal system endoscopy taken before the operation. Abdominal computerized tomography was obtained which revealed a nodular lesion causing mural thickening on the anterior wall of the antrum. The mini-gastric bypass surgery procedure was performed with subtotal gastrectomy to remove the mass. The final diagnosis of gastric adenomyoma was made. Although gastric adenomyomas are rare, they should always be kept in mind in the differential diagnosis of extramucosal gastric lesions.

Asymptomatic gastric adenomyoma and heterotopic pancreas in a patient with pancreatic cancer: A case report and review of the literature

“…In 2017, Emerson et al [ 7 ] have reported that 17 of the 571 cases that could not be fully resected by endoscopic submucosal dissection were GA, while these data contained no pathological images. Even if these lesions are indeed GA, as well as those who did not undergo operations and thus had no definitive diagnosis, a consensus has been reached that GA is an uncommon disease[ 8 - 10 ]. GA has occurred in all age groups, from 7 d[ 8 ] to 84 years[ 9 ].…”

“…GA has occurred in all age groups, from 7 d[ 8 ] to 84 years[ 9 ]. To some extent, its low occurrence rate is because the majority of these cases are asymptomatic[ 10 - 12 ]; however, some GA patients experience epigastric pain and discomfort, with/without nausea[ 13 ], vomiting[ 14 ], dyspepsia[ 15 ], and melena[ 16 ]. Concerning small children or infants, the first symptom may be nonbilious vomiting[ 8 , 13 - 14 , 17 - 19 ] or esophageal reflux[ 20 ].…”

“…In addition, some surgeons have pointed out that GA can transform into a malignant tumor[ 7 , 11 , 32 , 33 ]. Although not clearly depicted in previous reports, unless this benign tumor transforms into a malignant tumor or causes severe complications such as intestinal obstruction or upper gastrointestinal bleeding, the patient may only experience slight increases in white blood cell and neutrophil counts and abnormal inflammatory biomarkers, such as procalcitonin and C-reactive protein[ 10 - 12 , 34 ]. Consequently, surgery is the gold standard for diagnosing and treating patients with GA, especially those with malignant transformation[ 7 , 32 ].…”

Gastric Adenomyoma: A Case Report and Comprehensive Review of the Modern Literature

“…They most often occur in adults, although there are rare case reports of these lesions in children [2]. The majority of gastric adenomyomas are an incidental/asymptomatic finding in patients being evaluated for nonspecific gastrointestinal symptoms [3,4]. Rarely, they present with melena and in children, some cases reportedly mimicked gastric duplication cysts, pyloric stenosis, or caused gastric outlet obstruction [1,[5][6][7][8][9][10].…”