Venous lake
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| Venous lake | |
|---|---|
| Diagnosis in short | |
 Venous lake. H&E stain. (WC) | |
| LM DDx | angiokeratoma, cherry hemangioma |
| Gross | classical location: lip |
| Signs | dark blue/purple spot, blanches with pressure |
| Prevalence | common |
| Prognosis | benign |
Venous lake is a benign skin lesion.
General
- Dilated vein.
Clinical:
- Blanches with pressure.[1]
Gross
- Purple/blue spot.
Microscopic
Features:[2]
- Lined by endothelium.
- Blood in lumen.
- +/-Fibrin in lumen.
- +/-Solar elastosis - very common.[3]
DDx:
- Angiokeratoma.
- Ectatic superficial dermal vessels.
- Irregular acanthosis.
- Longer rete ridges.
- Cherry hemangioma.[3]
Images
VL - very low mag. (WC)
VL - low mag. (WC)
Sign out
Left Lower Lip Lesion, Excision:
- Benign subcutaneous tissue with venous lake.
- NEGATIVE for malignancy.
Block letters
SKIN LESION, RIGHT CHEEK, BIOPSY: - VENOUS LAKE. - SOLAR ELASTOSIS. - NEGATIVE FOR NEVUS.
Micro
The sections show subcutaneous tissue with dilated vascular spaces. No significant atypia is seen. No overlying skin is present.
See also
References
- ↑ URL: http://dermatlas.med.jhmi.edu/derm/IndexDisplay.cfm?ImageID=-969536424. Accessed on: 13 August 2012.
- ↑ Weedon's Skin Pathology. 3rd Ed. P.895.
- ↑ 3.0 3.1 Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 551. ISBN 978-0443066542.