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[Recognize rare diseases on the skin].

Bruno Gualtieri1, Michael Hertl2

  • 1Klinik für Dermatologie und Allergologie, Universitätsklinikum Marburg (UKGM), Baldingerstr. 1, 35043, Marburg, Deutschland. brunogualtieri86@gmail.com.

Der Internist
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PubMed
Summary

Skin manifestations can help diagnose rare systemic diseases like autoimmune and metabolic disorders. Recognizing these cutaneous symptoms is crucial for identifying underlying internal organ conditions, including neutrophilic dermatoses.

Keywords:
Autoimmune diseasesLivedo reticularisMetabolic diseasesSkin manifestations, internal diseasesSweet’s syndrome

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Area of Science:

  • Dermatology
  • Internal Medicine
  • Rare Diseases

Background:

  • Skin manifestations are key indicators of systemic diseases.
  • Autoimmune (e.g., dermatomyositis, lupus erythematosus, sclerosis, sarcoidosis) and metabolic (e.g., Anderson-Fabry, porphyria cutanea tarda) diseases often present with cutaneous symptoms.
  • Certain skin conditions, such as neutrophilic dermatoses (Sweet's syndrome, pyoderma gangraenosum), can signal occult internal organ diseases.

Purpose of the Study:

  • To highlight the diagnostic significance of interpreting skin manifestations.
  • To emphasize the role of cutaneous symptoms in identifying rare systemic and internal organ diseases.
  • To underscore the importance of recognizing specific dermatoses as potential warning signs.

Main Methods:

  • Review of literature on systemic diseases with cutaneous manifestations.
  • Analysis of diagnostic criteria for autoimmune, metabolic, and neutrophilic dermatoses.
  • Correlation of specific skin findings with underlying systemic conditions.

Main Results:

  • Skin manifestations accurately facilitate the diagnosis of numerous rare systemic diseases.
  • Cutaneous symptoms associated with autoimmune and metabolic disorders are well-documented.
  • Neutrophilic dermatoses like Sweet's syndrome and pyoderma gangraenosum serve as critical indicators of occult internal diseases.

Conclusions:

  • Accurate interpretation of skin findings is essential for diagnosing systemic and internal organ diseases.
  • Dermatologists play a vital role in early disease detection through skin examination.
  • Recognizing specific cutaneous signs aids in the timely diagnosis and management of serious underlying conditions.