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Related Experiment Video

Updated: May 12, 2026

Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation
08:08

Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation

Published on: January 12, 2022

[Pachydermodactyly].

R Kariotis1, E Vrtíková, M Hapčová

  • 11. Medizinische Abteilung und Ludwig Boltzmann Institut für Osteologie, Hanusch Krankenhaus, Heinrich-Collin Str. 30, 1140, Wien, Österreich.

Zeitschrift Fur Rheumatologie
|April 5, 2013
PubMed
Summary
This summary is machine-generated.

Pachydermodactyly causes painless finger swelling in young men, often linked to repetitive actions. Diagnosis relies on skin biopsy, as imaging shows only skin thickening, not joint issues.

Related Experiment Videos

Last Updated: May 12, 2026

Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation
08:08

Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation

Published on: January 12, 2022

Area of Science:

  • Dermatology
  • Rheumatology
  • Medical Diagnostics

Background:

  • Differential diagnosis for small finger joint swelling is extensive.
  • Painless swelling of proximal interphalangeal (PIP) joints can present diagnostic challenges.

Observation:

  • Two young males presented with progressive, painless PIP joint swelling.
  • Physical examinations were unremarkable, with normal laboratory results, auto-antibodies, X-rays, and MRI.
  • Imaging revealed only skin thickening, not joint pathology.

Findings:

  • Skin biopsies showed hyperkeratosis and acanthosis without inflammation.
  • Pachydermodactyly was diagnosed, a rare condition affecting young males.
  • Associated factors include mechanical stress from repetitive movements, obsessive-compulsive disorders, or occupational exposure.

Implications:

  • Pachydermodactyly diagnosis requires careful consideration of skin changes over joint pathology.
  • Management focuses on reducing mechanical stress, with intralesional steroids or surgery as options.
  • Understanding causative factors like repetitive actions is key for patient management and prognosis.