Eccrine hidrocystoma
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Eccrine hidrocystoma is a benign lesion of the eyelid.
| 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 |
It is occasionally spelled eccrine hydrocystoma.
General
- Benign.
- Eyelid lesion.
Clinical DDx:
- Cystic BCC.
Microsopic
- 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.
- Inner lining cells have:
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
- ↑ 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.
- ↑ Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 314. ISBN 978-0443066542.