A pink papule on the back of an 82-year-old man: an example of the buttonhole sign on reflectance confocal microscopy | Zendy

Syril Keena T. Que | Zendy; Naiara FragaBraghiroli | Zendy; Jane M. GrantKels | Zendy; Harold Rabinovitz | Zendy; Margaret Oliviero | Zendy; Alon Scope | Zendy

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A pink papule on the back of an 82-year-old man: an example of the buttonhole sign on reflectance confocal microscopy

Author(s) -

Syril Keena T. Que,

Naiara FragaBraghiroli,

Jane M. GrantKels,

Harold Rabinovitz,

Margaret Oliviero,

Alon Scope

Publication year - 2016

Publication title -

dermatology practical and conceptual

Language(s) - English

Resource type - Journals

ISSN - 2160-9381

DOI - 10.5826/dpc.0603a01

Subject(s) - sign (mathematics) , medicine , confocal , papule , confocal microscopy , scope (computer science) , reflectivity , optics , pathology , computer science , physics , lesion , mathematical analysis , mathematics , programming language

An 82-year-old man with Fitzpatrick skin type III presented for the evaluation of a lesion on the left upper back. A scaly pink papule was observed (Figure 1). The differential diagnosis included squamous cell carcinoma (SCC), actinic keratosis, basal cell carcinoma, and amelanotic melanoma. On dermoscopy, multiple coiled blood vessels (also termed glo-merular vessels) were scattered across the papule (Figure 2) [1].

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