Torsion of a preperitoneal pedunculated lipoma of anterior abdominal wall mimicking acute appendicitis

Özemir, İbrahim Ali; Orhun, Kıvılcım; Bilgiç, Çağrı; Eren, Tunç; Bayraktar, Baris; Zemherı, Ebru; Ekinci, Özgür; Ali̇moğlu, Orhan

doi:10.5505/tjtes.2016.63500

Cited by 1 publication

(2 citation statements)

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“…We recommend a uniform nomenclature for these lipomas in the vicinity of the parietal peritoneum. Most reporters of this surgical entity have used the term "lipoma of the parietal peritoneum" while the rest used the terms "parietal wall lipoma" and "preperitoneal lipoma" [4][5][6][7][8][9][10][11]. We propose the use of the term "preperitoneal lipoma" as used by Ozemir et al This is because the preperitoneal layer, otherwise called the endoabdominal or extraperitoneal fat is the deepest layer of the anterior abdominal wall overlying the parietal peritoneum.…”

Section: Discussionmentioning

confidence: 99%

“…Intra-abdominal lipomas usually affect the omentum, mesentery, the submucosa and subserosa of the gastrointestinal tract [3]. Involvement of the preperitoneal layer of the anterior abdominal wall is rare with only 8 cases reported so far in the literature (Table 1) [4][5][6][7][8][9][10][11]. Sanchez et al defined a giant lipoma as one that is at least 10cm in diameter or at least 1000g in weight [12].…”

Section: Introductionmentioning

confidence: 99%

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A Giant Pre-Peritoneal Lipoma: A Report of an Uncommon Presentation of a Rare Entity and a Review of the Literature

Ulasi¹,

Oo²,

Ma³

et al. 2021

SCR

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Background: A lipoma is one of the commonest benign tumors in surgical practice. Lipomas are usually found on the trunk and limbs but less commonly within the abdomen, where they occur frequently in the mesentery as well as the subserosa and submucous layer of the gastrointestinal tract. Pre-peritoneal lipomas are rare. Case Presentation: A 44-year-old woman presented with a painless and progressive right-sided abdominal swelling of 5 months duration. Examination revealed a 16cm x 14cm slightly mobile and non-tender firm-to-hard hour-glass-shaped mass extending from the right hypochondrial to right iliac and the suprapubic regions. Abdominal ultrasonography showed a 5cm x 6cm bowel thickening in the right iliac fossa suggestive of an ileocecal mass while a computerized tomography showed a 20.8cm x 6.3cm x 20.1cm hypodense mass within the peritoneal cavity, extending from the epigastric region to the pelvis, anterior to the bowel loops and more to the right. At laparotomy, a huge, well encapsulated yellowish mass in the pre-peritoneal space, weighing 1,520g was excised. Histology confirmed a lipoma. Conclusion: A preperitoneal lipoma is an uncommon soft tissue tumor and the giant ones are extremely rare. Although a rare cause of a painless abdominal swelling, pre-peritoneal lipoma should be considered as a differential diagnosis in patients presenting with an unremarkable feature suggestive of an intra-abdominal pathology.

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