Retroperitoneal cavernous hemangioma misdiagnosed as lymphatic cyst: A case report and review of the literature

Figure 1 Computed tomography images. A: Computed tomography showed multiple retroperitoneal cystoid hypodensity shadows (arrow); B-D: No significant enhancement was observed in the arterial phase, balance phase, and venous phase (arrows).

Figure 2 Magnetic resonance imaging. A, B: The retroperitoneal layer was clear without obviously enlarged lymph nodes (arrows).

Figure 3 Resected tumor lesion.

Figure 4 Pathological examination. A-C: Blood vessels with different lumen sizes and uneven wall thickness were seen in the tissues (arrows). A: 50×; B: 100×; C: 150×.