Difference between revisions of "Eccrine hidrocystoma"

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      =
| Width      =
| Caption    =
| Synonyms  =
| Micro      = cyst lined by a bland bilayer, lack apocrine snouts
| Subtypes  =
| LMDDx      =
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      =
| Grossing  =
| Staging    =
| Site      = [[eyelid]]
| Assdx      =
| Syndromes  =
| Clinicalhx =
| Signs      =
| Symptoms  =
| Prevalence =
| Bloodwork  =
| Rads      =
| Endoscopy  =
| Prognosis  = benign
| Other      =
| ClinDDx    = cystic [[basal cell carcinoma]]
| Tx        = excision
}}
'''Eccrine hidrocystoma''' is a benign lesion of the [[eye]]lid.
'''Eccrine hidrocystoma''' is a benign lesion of the [[eye]]lid.



Revision as of 13:43, 1 May 2023

Eccrine hidrocystoma
Diagnosis in short

LM cyst lined by a bland bilayer, lack apocrine snouts
Site eyelid

Prognosis benign
Clin. DDx cystic basal cell carcinoma
Treatment excision

Eccrine hidrocystoma is a benign lesion of the eyelid.

It is occasionally spelled eccrine hydrocystoma.

General

  • Benign.
  • Eyelid lesion.

Clinical DDx:

Microsopic

Features:[1][2]

  • Cyst lined by a bland bilayer.
    • Inner lining cells have:
      • Small, round nuclei - usu. basal.
      • Moderate pale/greyish cytoplasm.
      • No apocrine snouts - flat surface.
    • Outer lining cells - spindled.
      • May be difficult to see.

DDx:

  • Apocrine hidrocystoma - have apocrine snouts; surface is not flat.
  • Cystadenoma - has epithelial proliferation.

Image

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Lesion [Cyst], Left Lower Eyelid, Excision:
	- Benign cyst in keeping with eccrine hidrocystoma.

Micro

The sections show hair bearing skin with a cyst lined by a bland, flat, bilayered epithelium. The predominant lining cell has moderate pale cytoplasm and a small round nucleus.

The lesion is excised in the plane of section.

All uppercase

SKIN LESION, ADJACENT TO RIGHT EYELID, EXCISION:
- ECCRINE HIDROCYSTOMA.

Micro

The sections show hair bearing skin with a cyst lined by a bland bilayered epithelium. The predominant lining cell has moderate pale grey cytoplasm and a small round nucleus.

The lesion is excised in the plane of section.

See also

References

  1. Singh, AD.; McCloskey, L.; Parsons, MA.; Slater, DN. (Jan 2005). "Eccrine hidrocystoma of the eyelid.". Eye (Lond) 19 (1): 77-9. doi:10.1038/sj.eye.6701404. PMID 15205675.
  2. Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 314. ISBN 978-0443066542.