Difference between revisions of "Sertoli cell nodule"

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      = Sertoli_cell_nodule_high_mag.jpg
| Width      =
| Caption    = Sertoli cell nodule. [[H&E stain]].
| Synonyms  = Pick's adenoma, testicular [[tubular adenoma]], tubular adenoma of the testis
| Micro      = unencapsulated nodules composed of well-formed tubules, +/eosinophilic (hyaline) blob in lumen (centre), cells - vaguely resemble immature Sertoli cells (bland hyperchromatic oval/round nuclei) but are stratified (somewhat like a [[tubular adenoma of the gastrointestinal tract]])
| Subtypes  =
| LMDDx      = [[Sertoli cell tumour]], [[sex cord tumour with annular tubules]], [[gonadoblastoma]]
| Stains    =
| IHC        = alpha-inhibin +ve, PLAP -ve
| EM        =
| Molecular  =
| IF        =
| Gross      =
| Grossing  =
| Site      = [[testis]]
| Assdx      =
| Syndromes  =
| Clinicalhx = +/-undescended testis
| Signs      =
| Symptoms  =
| Prevalence = uncommon in general
| Bloodwork  =
| Rads      =
| Endoscopy  =
| Prognosis  =
| Other      =
| ClinDDx    =
| Tx        =
}}
'''Sertoli cell nodule''', abbreviated '''SCN''', is a benign lesion of the testis that is usually incidental.
'''Sertoli cell nodule''', abbreviated '''SCN''', is a benign lesion of the testis that is usually incidental.


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==General==
==General==
*Benign proliferation of Sertoli cells - associated with cryptorchidism (undescended testis).
*Benign proliferation of Sertoli cells - associated with [[cryptorchidism]] (undescended testis).
*Not composed of a clonal cell population, i.e. ''not'' neoplastic; thus, technically, should not be called an ''adenoma''.<ref name=Ref_DCHH227>{{Ref DCHH|227}}</ref>
*Not composed of a clonal cell population, i.e. ''not'' neoplastic; thus, technically, should not be called an ''adenoma''.<ref name=Ref_DCHH227>{{Ref DCHH|227}}</ref>


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**May contain eosinophilic (hyaline) blob in lumen (centre).
**May contain eosinophilic (hyaline) blob in lumen (centre).
*Cells - vaguely resemble immature Sertoli cells:
*Cells - vaguely resemble immature Sertoli cells:
**Bland hyperchromatic oval/round nuclei that are stratified.
**Bland hyperchromatic oval/round nuclei that are stratified - somewhat like a [[tubular adenoma of the gastrointestinal tract]] - '''key feature'''.


DDx:<ref name=pmid21107095/>
DDx:<ref name=pmid21107095/>
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Image:Sertoli_cell_nodule_low_mag.jpg | Sertoli cell nodule - low mag. (WC)
Image:Sertoli_cell_nodule_low_mag.jpg | Sertoli cell nodule - low mag. (WC)
</gallery>
</gallery>
===IHC===
==IHC==
Features:<ref name=pmid21107095/>
Features:<ref name=pmid21107095/>
*Alpha-inhibin +ve (5/5 cases).
*Alpha-inhibin +ve (5/5 cases).
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Other:
Other:
*PLAP -ve.
*[[PLAP]] -ve.


==Sign out==
==Sign out==
<pre>
<pre>
TESTICLE, LEFT, ORCHIECTOMY:
TESTICLE, LEFT, ORCHIECTOMY:
- ATROPHIC TESTICLE.
- ATROPHIC TESTICLE WITH SERTOLI CELL NODULES.
- SERTOLI CELL NODULES.
- NEGATIVE FOR GERM CELL NEOPLASIA IN SITU (INTRATUBULAR GERM CELL NEOPLASIA).
- NEGATIVE FOR INTRATUBULAR GERM CELL NEOPLASIA.
- NEGATIVE FOR MALIGNANCY.
- NEGATIVE FOR MALIGNANCY.



Latest revision as of 23:56, 15 March 2016

Sertoli cell nodule
Diagnosis in short

Sertoli cell nodule. H&E stain.

Synonyms Pick's adenoma, testicular tubular adenoma, tubular adenoma of the testis

LM unencapsulated nodules composed of well-formed tubules, +/eosinophilic (hyaline) blob in lumen (centre), cells - vaguely resemble immature Sertoli cells (bland hyperchromatic oval/round nuclei) but are stratified (somewhat like a tubular adenoma of the gastrointestinal tract)
LM DDx Sertoli cell tumour, sex cord tumour with annular tubules, gonadoblastoma
IHC alpha-inhibin +ve, PLAP -ve
Site testis

Clinical history +/-undescended testis
Prevalence uncommon in general

Sertoli cell nodule, abbreviated SCN, is a benign lesion of the testis that is usually incidental.

It is also known as Pick's adenoma, testicular tubular adenoma and tubular adenoma of the testis.

General

  • Benign proliferation of Sertoli cells - associated with cryptorchidism (undescended testis).
  • Not composed of a clonal cell population, i.e. not neoplastic; thus, technically, should not be called an adenoma.[1]

Gross

  • Usually an incidental finding, rarely presents as a testicular mass.[2]

Microscopic

Features:[1][3]

  • Unencapsulated nodules composed of well-formed tubules.
    • May contain eosinophilic (hyaline) blob in lumen (centre).
  • Cells - vaguely resemble immature Sertoli cells:

DDx:[2]

Images

IHC

Features:[2]

  • Alpha-inhibin +ve (5/5 cases).
  • OCT3/4 -ve (5/5 cases).

Other:

Sign out

TESTICLE, LEFT, ORCHIECTOMY:
- ATROPHIC TESTICLE WITH SERTOLI CELL NODULES.
- NEGATIVE FOR GERM CELL NEOPLASIA IN SITU (INTRATUBULAR GERM CELL NEOPLASIA).
- NEGATIVE FOR MALIGNANCY.

COMMENT:
The above findings are supported by immunostains. The tubules stain with alpha-inhibin and
are negative for PLAP. 

See also

References

  1. 1.0 1.1 Tadrous, Paul.J. Diagnostic Criteria Handbook in Histopathology: A Surgical Pathology Vade Mecum (1st ed.). Wiley. pp. 227. ISBN 978-0470519035.
  2. 2.0 2.1 2.2 Vallangeon, BD.; Eble, JN.; Ulbright, TM. (Dec 2010). "Macroscopic sertoli cell nodule: a study of 6 cases that presented as testicular masses.". Am J Surg Pathol 34 (12): 1874-80. doi:10.1097/PAS.0b013e3181fcab70. PMID 21107095.
  3. Ricco R, Bufo P (October 1980). "[Histologic study of 3 cases of so-called tubular adenoma of the testis]" (in Italian). Boll. Soc. Ital. Biol. Sper. 56 (20): 2110–5. PMID 6109541.