The patient is a 45 yo woman who presented with a new lesion
on the right malar eminence. It looked
innocuous, perhaps, a lentigo. The dermatoscopic
image revealed a pointillist pattern.
One of our VGRD members, Dr. Phung Huynh described “pointillist nevus”
some years ago. While this is not a
nevus, it shows a similar pattern.
A 3 mm punch biopsy was taken to establish what this lesion is and it is being presented for interest since I could find no reference to this
phenomenon in PubMed.
 |
| For Art's Sake |
Pathology: The biopsy shows a focal lichenoid lymphocytic infiltrate, scattered colloid bodies and melanophages consistent with lichen planus-like keratosis (LPLK).
Reference:
1. Pointillist nevi.
Huynh PM, Glusac EJ, Bolognia JL. J Am Acad Dermatol. 2001
Sep;45(3):397-400. PubMed.
2.
Dermoscopy of lichen planus-like keratosis: a model of
inflammatory regression. Bugatti L,
Filosa G. J Eur Acad Dermatol Venereol. 2007 Nov;21(10):1392-7. PubMed.
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