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Related Experiment Video

Updated: May 5, 2026

Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
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Sebaceous Carcinoma: A Retrospective Multicenter Analysis of 213 Cases.

Sebastian A Wohlfeil1,2,3, Jochen S Utikal1,2,3, Christiane Bauer-Auch4

  • 1Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.

Cancers
|May 4, 2026
PubMed
Summary

Age is the primary predictor of survival in sebaceous carcinoma (SC), a rare skin cancer. This study found no survival difference between ocular and extraocular SC, with older patients facing significantly higher risks.

Keywords:
adnexal tumorcutaneous tumorreal-world dataretrospective studysebaceous carcinomaskin cancer

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Area of Science:

  • Dermatology
  • Oncology
  • Pathology

Background:

  • Sebaceous carcinoma (SC) is a rare malignant cutaneous neoplasm.
  • Understanding SC demographics, clinical presentation, and prognostic factors is crucial for patient management.

Purpose of the Study:

  • To analyze demographic, clinical, and treatment characteristics of SC patients.
  • To investigate the influence of tumor localization and age on overall survival (OS) in SC.
  • To identify independent prognostic factors for SC outcomes.

Main Methods:

  • A multicenter retrospective study involving 213 German SC patients diagnosed between 2008 and 2024.
  • Data extraction from the Baden-Württemberg Cancer Registry, separating cases into ocular and extraocular SC.
  • Statistical analysis including survival analysis and multivariable regression to identify prognostic factors.

Main Results:

  • The median patient age was 79 years, with a 2:1 male-to-female ratio. Extraocular SC was more common in men, ocular SC in women.
  • Microscopically controlled excision was the primary treatment (81.4%); other treatments were rarely documented.
  • Age was the sole independent predictor of OS, with significantly increased risk in patients aged 70-79 and ≥80 years. No significant survival difference was found between ocular and extraocular SC.

Conclusions:

  • Sebaceous carcinoma outcomes are not significantly different between ocular and extraocular locations.
  • Advanced age is the most significant independent prognostic factor for overall survival in SC.
  • Microscopically controlled excision is an effective primary treatment for SC, while prior malignancies do not independently affect survival.