Benign mesenteric lipomatous tumor in a child: a case report and literature review

Springer Science and Business Media LLC - Tập 6 Số 1 - 2020
Naoki Hashizume1, Takato Aiko1, Suguru Fukahori1, Shinji Ishii1, Nobuyuki Saikusa1, Yoshinori Koga1, Naruki Higashidate1, Saki Sakamoto1, Shiori Tsuruhisa1, Hiroyuki Nakahara1, Hiroko Muta2, Hiroaki Miyoshi2, Yoshiki Naito2, Hidetaka Yamamoto3, Yoshiaki Tanaka4, Minoru Yagi1
1Department of Pediatric Surgery, Kurume University School of Medicine, Kurume, Japan
2Department of Diagnostic Pathology, Kurume University School of Medicine, Kurume, Japan
3Dept. of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Fukuoka Japan
4Division of Medical Safety Management, Kurume University Hospital, Kurume, Japan

Tóm tắt

Abstract Background Lipomatous tumors are the most common type of soft-tissue tumors. Benign lipomatous tumors are lipomas and lipoblastoma. We herein report a case of benign mesenteric lipomatous tumor and the largest collection of known benign mesenteric lipomatous tumors in children in the literature. Case presentation A 3-year-old girl presented with repeated dull abdominal pain and left abdominal mass swelling. On a physical examination, the child had a soft, moderately distended left abdomen that was not tender when palpated. Computed tomography and magnetic resonance imaging demonstrated a large fatty mass within the mesentery, measuring approximately 8 × 6 cm. The mass extended from the right upper quadrant to the lower pole of the kidneys. Laparotomy with resection of the mesenteric tumor was performed under general anesthesia. A well-capsuled tumor was a soft, yellow mass and found loosely attached to the mesenterium of the ileum. A histopathological examination demonstrated the lobular proliferation of mature adipocytes. Atypical lipoblasts were not seen. These features are compatible with benign lipomatous tumor, such as lipoma or lipoblastoma with maturation. Conclusion In conclusion, benign mesenteric lipomatous tumors tend to be large in size over 10 cm in longitudinal length. However, resection is well tolerated in the vast majority of cases with benign post-operative courses.

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