Cystic lymphangioma of the pancreas is a rare benign vascular tumor. Its histogenesis is still hypothetical and its preoperative diagnosis difficult to establish. We report a case in a 26-year-old boy who presented with abdominal pain with the notion of a constipation-type transit disorder. Radiological investigations showed an intraperitoneal mesenteric cystic tumor. A complete resection of the mass was performed. Pathological examination of the operative specimen confirmed the presence of cystic formations, the wall of no need keep it.to the end which was lined by a squamous, endothelial epithelium with a fibrous wall dotted with a few lymphoid clusters in favor of cystic lymphangioma.
Cystic lymphangioma is a benign vascular tumor originating from the lymphatic pathways, mainly seen in children. This pathology has various locations dominated by the cranio-facial, cervical and axillary regions. Abdominal localization is rare, accounting for 7% of abdominal cysts in adults. We report the case of a 39-year-old patient with a left ectopic testicle, who consulted for chronic abdominal pain with a normal clinical examination. Ultrasound and CT were performed, showing a cystic intra-abdominal mass suggesting a mesenteric cystic lymphangioma extended to retroperitoneum. Surgical exploration found a cystic mass of the pancreas, extended to the mesentery and proximal jejunum, encompassing the mesenteric pedicle. The diagnosis of cystic lymphangioma was confirmed by histology. In adults, the mesenteric and retroperitoneal involvement are estimated to be less than 1% of cases. Clinical presentation can be very variable, so here comes the role of imaging in guiding the diagnosis, in the preoperative assessment and in the follow-up. The final diagnosis is made by histology.
Castelman disease is known as benign angiofollicular node hyperplasia disorder; mostly described in mediastinum. The mesenteric localisation is exceedingly rare, that can be ignored in diagnosis front of an abdominal mass. We report the case of a 42 years old man with an abdominal mass. The diagnosis of gastro-intetinal tumor was the most likely, based on clinical and radiologic data. A surgical resection of the tumor was performed and the post-operativ follow up was good. The final histological and immuno-histological diagnosis was a castleman's disease in its localized form. In this paper we report one case of a mesenteric castlemandisease, we also clear up the clinico-pathological and radiological features of this disease by full literature review, so as to progress the clinic support.
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