Testis

• microinvasive seminoma
  14 October 2011

  References
  Diagnosis of testicular carcinoma in situ ’(intratubular and microinvasive)’ seminoma and embryonal carcinoma using direct enzymatic alkaline phosphatase reactivity on frozen histological sections. Stoop H, Kirkels W, Dohle GR, Gillis AJ, den Bakker MA, Biermann K, Oosterhuis W, Looijenga LH. Histopathology. 2011 Feb;58(3):440-6. PMID: #21323965#

• testicular carcinoma in situ
  14 October 2011

  .
  References
  Diagnosis of testicular carcinoma in situ ’(intratubular and microinvasive)’ seminoma and embryonal carcinoma using direct enzymatic alkaline phosphatase reactivity on frozen histological sections. Stoop H, Kirkels W, Dohle GR, Gillis AJ, den Bakker MA, Biermann K, Oosterhuis W, Looijenga LH. Histopathology. 2011 Feb;58(3):440-6. PMID: #21323965#

• testis biopsy
  14 October 2011

  References
  A pathologist’s view on the testis biopsy. Oosterhuis JW, Stoop H, Dohle G, Boellaard W, van Casteren N, Wolffenbuttel K, Looijenga LH. Int J Androl. 2011 Aug;34(4 Pt 2):e14-9; PMID: #21790650#

• familial testicular germ cell tumor
  10 October 2011

  Familial aggregations of testicular germ cell tumor (FTGCT) have been well described, suggesting the existence of a hereditary TGCT subset.
  Approximately 1.4% of newly diagnosed TGCT patients report a positive family history of TGCT.
  Sons and siblings of TGCT patients have four- to sixfold and eight- to tenfold increases in TGCT risk respectively.
  Segregation analyses suggest an autosomal recessive mode of inheritance.
  Linkage analyses have identified several genomic regions of modest (...)

• bilateral seminoma
  16 May 2011

  References
  Bilateral seminomas in a 45X/46XY mosaic with Turner’s phenotype: an unusual case of mixed gonadal dysgenesis. Kriplani A, Agarwal N, Parul, Sharma MC, Manchanda R. J Obstet Gynaecol Res. 2003 Apr;29(2):63-6. PMID: #12755523#

• prepubertal testicular tumors
  16 May 2011

  Prepubertal testicular tumors are fundamentally distinct from their adult counterparts.
  Benign teratoma and epidermoid cysts were the most common prepubertal testicular tumors. Any suspicion of a testicular tumor warrants an inguinal approach to prevent scrotal violation of the tumor.
  Organ-confined surgery should be performed for benign lesions such as teratoma, Leydig cell tumor and epidermoid cysts based on frozen biopsy findings.
  Types
  testicular germ-cell tumors (53%) testicular (...)

• splenotesticular fusion
  16 March 2011

  Digital slides
  Case 19 : Spleno-testicular fusion
  Synopsis
  splenogonadal fusion
  elongated spleen connected with gonad (testsi or ovary) possible colonic compression or stricture
  splenic nodule on gonad
  continuous splenic tissue from left hypochondre to gonad
  Associations
  limb deficiency (#9386063#) ectromelia
  micrognathia (#9386063#)
  See also
  splenic malformations
  References
  Splenogonadal fusion with limb deficiency and micrognathia. Moore PJ, Hawkins EP, Galliani (...)

• spermatocytic tumor
  21 February 2011

  spermatocytic seminoma (former name); spermatocytic tumour
  Image
  https://twitter.com/CaryBureshMD/status/725697386224476161
  https://twitter.com/MRSwhynottwitgu/status/716062628565688320
  https://twitter.com/KUSAURAP/status/738743263989882881
  Spermatocytic tumor may be confused with usual seminoma, a very important distinction from the clinical standpoint since spermatocytic seminomas virtually never metastasize (except for those with a rare complication mentioned below) and do not (...)

• pagetoid spread into the rete testis
  18 February 2011, by JA

  References
  Pagetoid spread into the rete testis by testicular tumours. Lee AH, Theaker JM. Histopathology. 1994 Apr;24(4):385-9.
  Pagetoid spread of intratubular germ cell neoplasia into rete testis: a morphologic and histochemical study of 100 orchiectomy specimens with invasive germ cell tumors. Perry A, Wiley EL, Albores-Saavedra J. Hum Pathol. 1994 Mar;25(3):235-9.

• appendix testis
  21 January 2011

  Appendix testis; testicular hydatid of Morgagni
  Definition: In male, the appendix testis (or testicular hydatid of Morgagni) is a vestigial remnant of the Müllerian duct, present on the upper pole of the testis and attached to the tunica vaginalis. It is present about 90% of the time. It has no physiological function.
  Images
  Appendix testis: Remnant of Müllerian duct,attached to tunica albuginea, present in 90% of males. https://twitter.com/AMSanguino/status/850809592221192192
  Nota (...)

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