PMC7994076_01
Deformation of the abdominal area.
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During the initial examination, deformation of the abdominal wall is observed and a painless derivative is felt in the lower left quadrant of the abdomen (Figure 1).
CT scan with a cystic derivative in the left lower abdominal quadrant.
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Mild hydronephrosis due to pressure in the left ureter is also observed (Figure 2).
Complete excision of the cyst.
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Complete excision of the cyst within healthy tissues was performed, protecting the surrounding blood vessels (Figures 3 and 4).
A thin-layered cyst with a focal fusion of the inner monolayer of the epithelium.
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Complete excision of the cyst within healthy tissues was performed, protecting the surrounding blood vessels (Figures 3 and 4).
A negative immunohistochemical reaction of CD34 (background-positive internal control-positive staining of small vascular epithelium) precludes the diagnosis of vascular cysts.
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Negative staining of Calretinin rejects the diagnosis of the mesothelial cyst.
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