Metastatic acral lentiginous melanoma in a tertiary referral center in Switzerland: a systematic analysis

Melanoma Research
Esther M HäfligerPhil F Cheng

Abstract

Acral lentiginous melanoma (ALM) is a unique histopathological subtype of melanoma with a poorer prognosis than other cutaneous melanomas. This study aims to evaluate the clinicopathological characteristics, metastatic pattern, prognostic factors, response to systemic therapy, and overall survival (OS) of ALM in a White population. This is a retrospective study of patients who were diagnosed and/or treated for ALM at the Department of Dermatology of the University Hospital Zurich, Switzerland, from January 2005 to December 2015. Overall, 172 patients with histologically confirmed ALM were included in the study. In univariate Cox regression, Breslow thickness (P<0.001), age (P=0.003), status of sentinel lymph node (P=0.005), and ulceration (P=0.008) were identified as significant prognostic factors for OS in ALM. In multivariate analysis, only Breslow thickness (P=0.0003) showed statistical significance. The median OS (mOS) was 155.7 months in the entire cohort (n=172) and 11.2 months for stage IV patients (n=36), irrespective of treatment. When first treatment was considered (n=35), mOS for stage IV patients was 8.9, 16.6, 21.7, and 3.7 months, for patients who had received chemotherapy (ChT) (n=17), immunotherapy (n=9), target...Continue Reading

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Citations

Dec 22, 2020·Frontiers in Oncology·Qingyue ZhengShu Zhang
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Dec 9, 2020·Archives of Pathology & Laboratory Medicine·Haider A MejbelPhyu P Aung

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Methods Mentioned

BETA
chromosomal aberrations
biopsy

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