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Related Experiment Videos

'Dimpling' is not unique to dermatofibromas

J J Meffert1, M F Peake, J L Wilde

  • 1Department of Dermatology, Brooke Army Medical Center, Fort Sam Houston, Tex, USA.

Dermatology (Basel, Switzerland)
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

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Fitzpatrick's sign, or skin dimpling, is often thought to diagnose dermatofibromas (DFs). However, this sign is not always present in DFs and can appear in other conditions, requiring further diagnostic methods.

Area of Science:

  • Dermatology
  • Clinical diagnostics

Background:

  • Fitzpatrick's sign, the dimpling of skin upon lateral compression, is widely regarded as pathognomonic for dermatofibromas (DFs).
  • This clinical sign is extensively documented in major dermatological textbooks.

Observation:

  • The clinical presentation of dermatofibromas can be variable.
  • Not all dermatofibromas exhibit the characteristic dimpling sign.
  • Conversely, skin dimpling may be observed in lesions other than dermatofibromas.

Findings:

  • The diagnostic utility of Fitzpatrick's sign for dermatofibromas is not absolute.
  • The presence of dimpling does not exclusively confirm a dermatofibroma diagnosis.
  • The absence of dimpling does not rule out a dermatofibroma.

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Implications:

  • Clinical assessment alone, relying solely on Fitzpatrick's sign, may lead to misdiagnosis.
  • Adjunctive diagnostic tools, such as dermatoscopy, are crucial for confirming suspected dermatofibromas.
  • Accurate diagnosis of dermatofibromas requires a comprehensive approach beyond a single clinical sign.