PMC6358343_01
Ultrasonography image of a subcutaneous anechoic, fluid filled mass located near to the right superficial inguinal ring.
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F1
Ultrasonography examination revealed a 4.8 cm x 3.1 cm subcutaneous anechoic, fluid filled mass, located near right superficial inguinal ring without visible connection with the peritoneal cavity (Fig. 1).
(A) Preoperative presentation of a right-sided inguino-labial swelling and (B) intraoperative view of encysted hydrocele of the canal of Nuck.
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F2
Physical examination revealed a soft, cystic, non-compressible, and non-fluctuant labial mass measuring approximately 5 cm x 3 cm (Fig. 2A). The cystic lesion was sent to histopathologic evaluation and tissue dissection; it was confirmed to be a non-communicated hydrocele of canal of Nuck (Fig. 2B).
(A) Histopathology showing a cyst wall lined by a single layer of flattened epithelial (mesothelial) cells and containing bundles of smooth muscle fibers (hematoxylin-eosin/H&E/, 10x) and (B) immunohistochemical staining for calretinin confirmed the mesothelial origin of the surface epithelium of the cyst (10x).
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F3
Histopathological examination of the specimen confirmed the clinical diagnosis (Fig. 3A and B).