The patient is a 21 year-old woman who has noticed a
blue-purple papule on the bulb of the nose for two to three months. If traumatized, it extrudes a clear fluid.
O/E: There is a two
mm in diameter bluish papule on the nose.
It was punctured with a # 11 blade and a drop of crystal clear fluid was
extruded.
Dermatoscopic image shows a blue papule with a dark center
and a paler periphery.
Diagnosis: Probable
Eccrine Hidrocystoma.
Plan: This could be
excised with a 2-mm punch biopsy. It
could also be observed.
Reference:
Kluger
N, et.al. Acta Derm Venereol. 2010 Sep;90(5):555-6.
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