PRAME Staining in Skin Lesions and Cancers
Author Information
Author(s): Bahmad Hisham F., Alexis John, Kaya Gürkan
Primary Institution: Mount Sinai Medical Center
Hypothesis
PRAME may serve as a valuable ancillary marker in the histopathological evaluation of cutaneous neoplasms.
Conclusion
The study confirms the potential utility of PRAME for distinguishing between sebaceous and non-sebaceous adnexal lesions and differentiating BCC and SCC from sebaceous carcinoma.
Supporting Evidence
- PRAME staining was positive in 100% of sebaceous lesions examined.
- PRAME had a sensitivity of 100.0% and specificity of 86.7% for distinguishing sebaceous from non-sebaceous lesions.
- None of the hair follicle origin lesions showed PRAME staining.
- Basal cell carcinomas and squamous cell carcinomas showed weak to moderate nuclear staining for PRAME.
Takeaway
This study looked at a special marker called PRAME to help doctors tell the difference between different types of skin lumps and bumps.
Methodology
A single-center retrospective cohort analysis over a ten-year period using immunohistochemistry to evaluate PRAME staining in skin lesions.
Potential Biases
Potential variability in immunohistochemical staining interpretation.
Limitations
The study's retrospective design may introduce selection bias, and the small sample size for certain subgroups may limit generalizability.
Participant Demographics
Patients of all ages and genders with histopathologically confirmed cutaneous lesions.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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