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Related Experiment Videos

Fine-needle aspiration biopsy: dermatofibrosarcoma protuberans

C N Powers1, M A Hurt, W J Frable

  • 1Department of Pathology, University of Texas Health Science Center, San Antonio.

Diagnostic Cytopathology
|January 1, 1993
PubMed
Summary

Dermatofibrosarcoma protuberans (DFSP) is a skin tumor diagnosed using fine-needle aspiration biopsy (FNAB). Key cytologic features include storiform fragments and spindle cells, aiding diagnosis and differentiating from other lesions.

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Area of Science:

  • Oncology
  • Cytopathology
  • Dermatopathology

Background:

  • Dermatofibrosarcoma protuberans (DFSP) is a rare mesenchymal neoplasm.
  • DFSP commonly affects the dermis and subcutaneous tissue.
  • Accurate diagnosis is crucial for appropriate patient management.

Purpose of the Study:

  • To present six cases of DFSP, with emphasis on cytologic findings.
  • To highlight key features for DFSP identification on Papanicolaou and Diff-Quik stains.
  • To discuss differential diagnoses for spindle cell lesions.

Main Methods:

  • Review of six histopathologically confirmed DFSP cases.
  • Cytologic evaluation of fine-needle aspiration biopsy (FNAB) smears.
  • Analysis of Papanicolaou and Diff-Quik stained slides.

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Main Results:

  • Four out of six DFSP cases were initially diagnosed via FNAB.
  • Characteristic cytologic findings include storiform stromal fragments.
  • Entrapped adipose tissue and fibrohistiocytic spindle cells are important diagnostic clues.

Conclusions:

  • FNAB can be a valuable tool for the initial diagnosis of DFSP.
  • Recognizing specific cytologic features aids in differentiating DFSP from other spindle cell tumors.
  • Awareness of differential diagnoses is essential for accurate cytopathologic interpretation.