A Unique Case of Intra-Abdominal Diffuse Lymphangiomatosis Mimicking a Pseudomyxoma Peritonei.

IF 0.7 Q4 SURGERY
Surgical Case Reports Pub Date : 2025-01-01 Epub Date: 2025-02-21 DOI:10.70352/scrj.cr.24-0037
Andreas R R Weiss, Georg F Weber, Maximilian Brunner, Robert Grützmann, Abbas Agaimy, Christian Krautz
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引用次数: 0

Abstract

Introduction: Localized cystic lymphangiomas (CL) are rare benign tumors deriving from the lymphatic system. CL is diagnosed more frequently in children than in the adult population and, although commonly affecting the cervical and axillary regions, can develop in various parts of the body. Abdominal cystic lymphangioma (ACL) comprises less than 5% of all CL cases.

Case presentation: A 35-year-old female patient with a history of benign appendectomy in childhood was transferred to our tertiary center for the operative management of a suspected extensive pseudomyxoma peritonei (PMP). In accordance with the multidisciplinary team discussion, cytoreductive surgery with hyperthermic intraperitoneal chemotherapy was planned. Intraoperatively, a typical "jelly belly" with high disease burden throughout the abdominal cavity and the small pelvis was found. A multi-visceral resection with complete cytoreduction (CCR 0) was performed. The postoperative histopathological findings revealed a diffuse, partially cystic lymphangiomatosis involving the peritoneum extensively without evidence of PMP or malignancy.

Conclusions: ACLs are uncommon in the adult population, and diffuse peritoneal involvement is even rarer. Surgical management with complete resection is the preferred treatment option. Other benign cysts, as well as infectious diseases and malignancy, should be considered during the preoperative workup.

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