Dermoscopy

Dermoscopy of Pyogenic Granuloma

Pyogenic granuloma – AKA Lobular capillary hemangioma/ Granuloma Pyogenicum/ Granuloma telangiectaticum

Dermoscopic features:

Characterised by

  • Homogenous reddish or reddish white areas
  • Surrounded by a white collarette
  • White lines (referred to as white rail lines)

Histopathologically, 

  1. The homogenous reddish/reddish white areas – corresponds to the proliferating vessels seen as lobules
  2. White collarette surrounding the lesion – hyperplastic epithelium with hyperkeratosis and acanthosis
  3. White rail lines – corresponds to the fibrous septa that surround the lobules

In the dermoscopic image,

—Blue arrows show the fibrous septa

—Yellow arrows show the capillary proliferation as lobules

(white collarette is not visualised in this dermoscopic image)

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About Author

Balavignesh

M.D DVL Post Graduate, Madras Medical College and RGGGH Chennai

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