PMC6882684_01
Tumor in the upper half of the right hemiscrotum marked by an arrow.
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A solid formation was palpated, still located in the upper half of the right hemiscrotum, painless, without symptoms, not connected to the testicle, now ~2 x 2.5 cm in diameter ( Fig. 2 ).
Solid tumor of 3 x 2 cm in size marked by an arrow.
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During surgery, a well-limited solid formation was found on the external inguinal ring, 3 x 2 cm in diameter, not infiltrating the surrounding structures ( Fig. 3 ).
Extirpated tumor of 3 x 2 cm in size.
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The tumor was completely removed preserving the surrounding structures ( Fig. 4 ).
Electron microscope increased x20 hematoxylin and eosin stain; characteristic components:fibrous connective tissue (
A
), islands of mature fat cells (
B
), and mesenchymal stroma (
C
).
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Immunohistochemical analyses (smooth muscle actin, h-caldesmon, desmin, S-100, epithelial membrane antigen, b-catherin, K i -67, Bcl-2, CD 34) confirmed the diagnosis of an FHI ( Figs. 5 and 6 ).
Immunohistochemistry increased x20; CD34 positive cells inside hyaline stroma.
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Immunohistochemical analyses (smooth muscle actin, h-caldesmon, desmin, S-100, epithelial membrane antigen, b-catherin, K i -67, Bcl-2, CD 34) confirmed the diagnosis of an FHI ( Figs. 5 and 6 ).