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Case Reports: Rare disease
Subepidermal calcified nodule (nodular calcinosis of Winer)
  1. Sanjiv Choudhary1,
  2. Ankita Srivastava1,
  3. Rajesh Pattebahadur2 and
  4. Rijavi Choudhary3
  1. 1Dermatology, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
  2. 2Ophthalmology, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
  3. 3Datta Meghe Institute of Medical Sciences, Nagpur, Maharashtra, India
  1. Correspondence to Dr Sanjiv Choudhary; sanjiv.derma26{at}gmail.com

Abstract

Subepidermal calcified nodule (SCN) is a clinical form of idiopathic calcinosis cutis, which commonly affects children, and presents as yellowish-white lesions involving the face. It is often misdiagnosed for other disorders like warts and molluscum contagiosum and treated by ablative procedures. In such a scenario, lack of histopathological examination makes it difficult to reach the correct diagnosis. We here report a case of SCN which was diagnosed after an excisional biopsy. Further, histopathological finding of dermal calcium deposits must prompt the clinician to rule out other disorders leading to calcinosis cutis, before labelling the case as SCN.

  • Dermatology
  • Pathology
  • General practice / family medicine

https://doi.org/10.1136/bcr-2023-255461

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    Footnotes

    • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigating results, drawing original diagrams and algorithms, and critical revision for important intellectual content—SC, AS, RP and RC. The following authors gave final approval of the manuscript—SC, AS, RP and RC.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.