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Related Experiment Videos

Diffuse trichostasis spinulosa in chronic renal failure.

R U Sidwell1, N Francis, C B Bunker

  • 1Department of Dermatology, Chelsea and Westminster Hospital, London, UK.

Clinical and Experimental Dermatology
|November 29, 2005
PubMed
Summary

Trichostasis spinulosa, a common but underdiagnosed follicular disorder, causes dark plugs due to retained hairs. This case report details an unusual, widespread presentation in a patient undergoing hemodialysis.

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Area of Science:

  • Dermatology
  • Histopathology
  • Pilosebaceous unit disorders

Background:

  • Trichostasis spinulosa is characterized by follicular hyperkeratosis and retention of telogen hairs within vellus hair follicles.
  • It typically presents as dark follicular plugs, commonly on the face and trunk.
  • This condition is often underdiagnosed due to its subtle presentation.

Observation:

  • A 33-year-old Indian male on hemodialysis for chronic renal failure presented with extensive skin lesions.
  • The patient developed unusually widespread trichostasis spinulosa over nearly the entire body, including the lower limbs.
  • The onset and progression of the condition occurred over an 18-month period.

Findings:

  • Histopathological examination confirmed follicular hyperkeratosis and the presence of retained telogen hairs within dilated vellus hair follicles.

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  • The widespread nature of the presentation in this patient is atypical compared to previously reported cases.
  • The association with chronic renal failure and hemodialysis warrants further investigation.

    • Implications:

    • This case highlights the potential for trichostasis spinulosa to present with unusual severity and distribution.
    • It suggests a possible link between chronic renal failure, hemodialysis, and the development or exacerbation of this pilosebaceous disorder.
    • Further research is needed to understand the pathogenesis and potential contributing factors in such extensive cases.