Correlation of clinical pigmentary characteristics with histopathologically-confirmed dysplastic nevi in nonfamilial melanoma patients.
1991

Correlation of Clinical Characteristics with Dysplastic Nevi in Melanoma Patients

Sample size: 150 publication Evidence: moderate

Author Information

Author(s): G.C. Roushi, R.L. Barnhill

Primary Institution: Cancer Prevention Research Institute, New York; Dermatopathology Division and Dermatology Service, Massachusetts General Hospital and Harvard Medicine School, Boston

Hypothesis

We hypothesised that other pigmentary features associated with risk for melanoma, i.e. freckling, numbers of nevi, might correlate with histologic dysplasia in clinically atypical nevi from melanoma patients.

Conclusion

The study found that the total number of nevi is strongly correlated with histologic dysplasia in melanoma patients, while freckling showed no correlation.

Supporting Evidence

  • Histologic diagnosis of dysplastic nevus was strongly associated with the total number of nevi.
  • Freckling showed no significant correlation with histologic features.
  • Total body nevi correlated significantly with histological features, including nuclear abnormalities.

Takeaway

This study looked at how the number of moles and freckles on the skin relate to the risk of having a certain type of skin growth that can lead to melanoma, and found that more moles mean a higher risk.

Methodology

The study involved examining 150 melanoma patients, characterizing their pigmented lesions, and correlating clinical features with histological findings.

Potential Biases

There may be risks of bias due to the subjective nature of clinical assessments and the reliance on clinician evaluations.

Limitations

The study may have limitations related to the subjective assessment of nevi and potential misclassification of clinical features.

Participant Demographics

Participants were non-Hispanic Caucasian subjects aged 20 to 70 years with newly diagnosed malignant melanoma and no family history of melanoma.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

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