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Laparoscopic resection of a giant retroperitoneal melanotic schwannoma.

Laparoscopic resection of a giant retroperitoneal melanotic schwannoma.
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Chatelet F, Bardier-Dupas A, Menegaux F, Chereau N,


Chatelet F, Bardier-Dupas A, Menegaux F, Chereau N, (click to view)

Chatelet F, Bardier-Dupas A, Menegaux F, Chereau N,

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Journal of surgical case reports 2018 03 262018(3) rjy040 doi 10.1093/jscr/rjy040
Abstract
Background
Retroperitoneal schwannomas are extremely rare, as they account for only 3% of retroperitoneal tumors. Clinical symptoms are nonspecific and of late onset, meaning that these tumors are diagnosed at an advanced stage. Surgical resection is required for histological diagnosis and to prevent possible malignant transformation. Celioscopy offers numerous benefits, reducing postoperative pain and speeding up the patient’s return to autonomy, but it can pose a real challenge due to the size of these lesions.

Case presentation
We report a case of laparoscopic resection of a very large right-sided retroperitoneal schwannoma, with a particular histological form.

Conclusion
Surgical resection in a single unit remains the golden rule, and a laparoscopy can be proposed when the diagnosis is beyond doubt. The large size of the retroperitoneal melanotic schwannomas, a common feature, increases surgical difficulties but is not a contraindication to this approach.

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