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:

Images

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

  1. URL: http://dermatlas.med.jhmi.edu/derm/IndexDisplay.cfm?ImageID=-969536424. Accessed on: 13 August 2012.
  2. Weedon's Skin Pathology. 3rd Ed. P.895.
  3. 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.