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Poor prognosis for malignant melanoma in Northern Ireland: a multivariate analysis
L G Gordon1, W S Lowry, P J Pedlow
1Department of Oncology, Queen's University of Belfast, UK.
British Journal of Cancer
|February 1, 1991
Summary
Cutaneous malignant melanoma (CMM) survival in Northern Ireland is poor (54% 5-year survival). Prognosis is worsened by thicker tumors, ulceration, and diagnostic delays, necessitating educational intervention.
Area of Science:
- Dermatology
- Oncology
- Epidemiology
Background:
- Cutaneous malignant melanoma (CMM) represents a significant public health concern.
- Previous studies on CMM prognosis have yielded varied results.
- Understanding prognostic factors is crucial for improving patient outcomes.
Purpose of the Study:
- To analyze prognostic factors for cutaneous malignant melanoma (CMM) in Northern Ireland.
- To identify factors contributing to the observed poor survival rates.
- To inform strategies for improving CMM patient outcomes.
Main Methods:
- Retrospective review of all CMM cases diagnosed in Northern Ireland (1974-1978).
- Classification and follow-up of cases until the end of 1984.
- Multivariate analysis to identify independent prognostic indicators.
Main Results:
- Overall 5-year survival for CMM was 54%, among the lowest reported.
- Tumor thickness, ulceration, histopathological type (e.g., Acral Lentiginous Melanoma - ALM), and tumor profile (flat lesions) significantly worsened prognosis.
- Increasing age was associated with poorer survival; diagnostic delay was a contributing factor.
Conclusions:
- Multivariate analysis identified key independent prognostic factors for CMM.
- Tumor characteristics and patient age significantly impact survival.
- Addressing diagnostic delay and implementing educational interventions are vital to improve CMM survival rates in Northern Ireland.