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Palmoplantar keratosis caused by arsenic toxicity

Kajal Patel, Alexander Gin and Laura Scardamaglia
Med J Aust 2021; 214 (6): . || doi: 10.5694/mja2.50965
Published online: 5 April 2021

A 74‐year‐old Vietnamese man presented with a 1‐year history of pruritic nodules on his feet. There was no history of gastrointestinal cancer or hereditary palmoplantar keratoderma. Examination found bilateral, focal, palmoplantar keratoses of the soles (~ 6 × 8 cm), with mild palmar involvement (~ 1 × 1.5 cm) (Figure). The differential diagnoses were psoriasis, lichen planus and verrucae vulgaris, but there were no other clinical features consistent with these conditions.

  • Kajal Patel1
  • Alexander Gin2
  • Laura Scardamaglia3

  • 1 Launceston General Hospital, Launceston, TAS
  • 2 Alfred Hospital, Melbourne, VIC
  • 3 Royal Melbourne Hospital, Melbourne, VIC


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