Laparoscopic resection of primary retroperitoneal schwannoma: A case report

Figure 1 Magnetic resonance imaging of the coronal section showing a large tumor mass compressing the lateral wall of the inferior vena cava.

Figure 2 Magnetic resonance imaging of the axial section showing close correlation among lesion, inferior vena cava, right renal vein and duodenum, and small cleavage plane among the structures.

Figure 3 Port placement for laparoscopic approach.

Figure 4 Tumor lesion between the right kidney and the duodenum and above the right renal vein and vena cava.

Figure 5 Appearance after resection showing the right kidney, duodenum and the site where the lesion had been found, after specimen removal.

Figure 6 Surgical specimens. A: Schwannoma; B: Gallbladder.

Figure 7 Macroscopic aspect of schwannoma: Encapsulated, well-defined soft, lobulated, yellowish lesion.