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Intussusception caused by a small intestinal lipoma with ectopic gastric mucosa containing gastric cystica profunda component cells within the inverted Meckel’s diverticulum: a case report

Authors
  • Yamauchi, Natsuko1, 2
  • Ito, Takashi1
  • Matsuoka, Hiroki1
  • Chohno, Teruhiro1
  • Hasegawa, Hiroshi2
  • Kakeji, Yoshihiro2
  • Ohnishi, Takamasa1
  • 1 Nishiwaki Municipal Hospital, 652-1 Shimotoda, Nishiwaki, Hyogo, 677-0043, Japan , Nishiwaki (Japan)
  • 2 Kobe University Graduate School of Medicine, 7‐5‐2 Kusunoki‐cho, Chuo‐ku, Kobe, Hyogo, 650‐0017, Japan , Kobe (Japan)
Type
Published Article
Journal
Surgical Case Reports
Publisher
Springer Berlin Heidelberg
Publication Date
Nov 13, 2020
Volume
6
Issue
1
Identifiers
DOI: 10.1186/s40792-020-01061-y
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundLipomas are the most common cause of intussusception in adults. To our knowledge, however, no cases of lipoma and ectopic gastric mucosa with gastritis cystica profunda (GCP) have been reported. We report a case of intussusception caused by a small intestinal lipoma with ectopic gastric mucosa containing GCP-component cells within the inverted Meckel’s diverticulum.Case presentationA female in her 40s underwent computed tomography for postoperative follow-up of left breast cancer. A tumor, suspected to be a lipoma, was found in the ileum. Since there were no symptoms, the patient underwent regular follow-up. However, gradual enlargement was observed, and surgery was recommended due to the risk of intussusception. After reduction via the Hutchinson technique, laparoscopically assisted partial resection of the small intestine was performed due to suspicion that the tumor was causing intussusception starting from the ileum. Histopathologic examinations revealed proliferation of mature adipose tissue in the subserosal layer, which was diagnosed as lipoma. Furthermore, adipose tissue was found in the stem area and accordingly, we diagnosed lipoma associated with the inverted Meckel’s diverticulum. Moreover, gastric mucosa-like crypt epithelium and proper glandular tissue were identified in the mucosal membrane at the area of onset, and signs of gastric pit dilatation over the submucosa and crypt epithelium hyperplasia were observed. Diagnosis was ectopic gastric mucosa containing GCP component tissue.ConclusionsIntussusception in the small intestine complicated with lipoma and ectopic gastric mucosa with GCP within the Meckel’s diverticulum has not been reported, demonstrating the rarity of our case.

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