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Image Number 2070 (Angiolymphoid Hyperplasia with Eosinophilia)

 
Morphology:
Nodule pink

Diagnosis: Angiolymphoid Hyperplasia with Eosinophilia

Site: Ear

Sex: F

Age: 30

Type:

Description: Solitary pinkish preauricular nodule.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History:

Angiolymphoid Hyperplasia with Eosinophilia (ALHE) usually presents with pink to red-brown, dome-shaped, dermal papules or nodules of the head or neck, especially about the ears and on the scalp. Grouped lesions merge to form plaques or grapelike clusters. There is a female preponderance, and the average age of onset is 32 years. Symptoms can be pain or pruritus; these may occur after trauma. HistoIogically, central thick-walled vessels with hobnail endothelium are noted. Surrounding hyperplasia of smaller vessels and nodular lymphoid aggregates with eosinophils are present. Here is a good example of ALHE which has been proved histologically.



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