Testis & epididymis

Paratesticular tumors

Adenocarcinoma-rete testis

Topic Completed: 1 March 2012

Minor changes: 11 September 2020

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PubMed search: Adenocarcinoma Rete testis

Rafael Jimenez, M.D.
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Cite this page: Jimenez R. Adenocarcinoma-rete testis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/testisreteadeno.html. Accessed December 3rd, 2021.
Definition / general
Case reports
Gross description
  • Centered in hilum, lack of direct extension through tunica; white, yellow, gray
Microscopic (histologic) description
  • Transitions from tumor to rete testis, no evidence of teratoma and no other primary tumor
  • Solid, tubular or papillary patterns with clear cut stromal invasion
  • Slit like spaces in solid nests of tumor are common; intra - rete growth is common
  • May have intratubular invasion of testis; may have spindle cell component or sertoliform differentiation
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