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http://dx.doi.org/10.4103/0378-6323.66614DOI Listing

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A 14-year-old male with disseminated superficial porokeratosis and a family history of the same lesions on his maternal side presented with spiny keratoderma. Spiny keratoderma is a dermatosis characterized by multiple punctate keratotic neoformations on the palms and soles. It is considered a rare disease, with fewer than 84 cases reported in the world medical literature to date.

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Article Synopsis
  • - Spiny keratoderma is a rare skin condition characterized by small, spiny growths on the palms and soles, which can be inherited or acquired.
  • - The acquired form may be linked to other health issues but not necessarily to cancer, and it can be confused with similar skin conditions like arsenical keratosis.
  • - This article discusses three cases of acquired spiny keratoderma in patients with different systemic diseases, highlighting that none had underlying malignancies.
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Article Synopsis
  • Punctate palmoplantar keratoderma type 1 (PPPK1) is a rare genetic condition causing hard, raised patches on the palms and soles, caused by mutations in the AAGAB gene.
  • * In a study, four Japanese patients from two families were found to share a new AAGAB mutation that resulted in similar mild symptoms only on their soles.
  • * This discovery suggests that there may be a link between the specific mutation (c.844G>A) and the mild phenotype, indicating the need for proper diagnosis to avoid confusion with other skin conditions.
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A 40-year-old woman with a family history of gastric, pulmonary, and endometrial cancers (parents and grandparents) was referred to our institution with a 3-year history of progressive pruritus with palmar and plantar papules. On physical examination, there were keratotic yellowish pinpoint papules on the hands (Figure 1) and yellowish keratotic plaques and papules on the plantar pressure points (Figure 2). The diagnosis of punctate palmoplantar keratoderma was confirmed histopathologically (Figure 3), and treatment was initiated with 30% urea cream, which proved helpful.

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