Lumbar Ureteral Stenosis due to Endometriosis: Our Experience and Review of the Literature

Figure 4

(a) Endometrial-type glands embedded in an endometrial-like stroma were evident within muscular tissue (haematoxylin and eosin stain; original magnification, ×100). (b) Higher magnification of the glands, showing cylindric epithelium lining the glands (haematoxylin and eosin stain; original magnification, ×200). (c) CD10 stain in the endometrial stroma (CD10 stain; original magnification, ×100). (d) Nuclear staining for estrogen receptor in the epithelial and stromal cells of the endometriotic focus (estrogen receptor stain; original magnification, ×200).