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Related Experiment Videos

Granular cell atypical fibroxanthoma.

Sarah N Rudisaile1, Mark A Hurt, Daniel J Santa Cruz

  • 1Cutaneous Pathology, WPC Laboratories, Inc., Maryland Heights, MO 63043, USA.

Journal of Cutaneous Pathology
|March 17, 2005
PubMed
Summary
This summary is machine-generated.

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This study describes two cases of granular cell atypical fibroxanthoma, a rare skin neoplasm. Diagnosis requires careful consideration of differential diagnoses due to overlapping features.

Area of Science:

  • Dermatopathology
  • Oncology

Background:

  • Atypical fibroxanthoma (AFX) is a rare, aggressive cutaneous neoplasm.
  • Granular cell morphology can complicate the diagnosis of AFX.

Observation:

  • Two elderly male patients presented with solitary, dome-shaped papules on sun-exposed head areas.
  • Microscopic examination revealed dermal proliferation of pleomorphic granular cells with atypical nuclear features and mitotic activity.

Findings:

  • Immunohistochemical stains were positive for CD68 and vimentin.
  • Stains were negative for melanoma markers (Melan-A, HMB-45) and other markers (S-100, pancytokeratin, actin).
  • These findings support the diagnosis of granular cell atypical fibroxanthoma.

Implications:

Related Experiment Videos

  • The differential diagnosis of granular cell neoplasms with pleomorphism is broad.
  • Accurate diagnosis is crucial for appropriate patient management and prognosis.
  • This case report highlights a rare variant of atypical fibroxanthoma.