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Related Experiment Videos

Signet ring cell basal cell carcinoma.

G M White1, R J Barr, S Y Liao

  • 1Department of Dermatology, University of California, Irvine.

The American Journal of Dermatopathology
|June 1, 1991
PubMed
Summary
This summary is machine-generated.

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This study reports a rare signet ring cell basal cell carcinoma. The findings suggest these unique cells may represent an aberrant form of keratinization.

Area of Science:

  • Dermatopathology
  • Oncology

Background:

  • Basal cell carcinoma (BCC) is the most common type of skin cancer.
  • Rare variants of BCC present unique diagnostic challenges.

Observation:

  • A case of signet ring cell basal cell carcinoma (SRCC-BCC) in the infraorbital area is presented.
  • This rare variant is characterized by tumor cells with intracytoplasmic inclusions compressing nuclei.

Findings:

  • Immunohistochemical analysis showed strong positivity for high and low molecular weight cytokeratins in the inclusions.
  • Vimentin and actin antibodies did not stain these inclusions.
  • Inclusions are likely aggregates of intermediate filaments, supporting aberrant keratinization.

Implications:

Related Experiment Videos

  • This case expands the understanding of SRCC-BCC morphology and behavior.
  • The findings support a unique cellular differentiation pathway in this rare BCC subtype.
  • Further research into aberrant keratinization in skin neoplasms is warranted.