Acral cutaneous melanoma in a Spanish Caucasian population.

Abstract:

:Acral lentiginous melanoma (ALM) is the most frequent type of cutaneous melanoma in the Asian and African populations, but the fourth distinct variant of cutaneous melanoma in the Caucasian population. Histological criteria and prognosis of ALM remain controversial. A retrospective study, showing epidemiological, clinical, histological and survival characteristics of melanomas located on acral sites (acral cutaneous melanoma) compared with nonacral melanomas. Fifty-two of 552 melanomas (9.42%) were located on acral sites. Histological examination revealed ALMs in 30 cases (61%), nodular melanomas in seven cases (14.3%) and superficial spreading melanomas in five cases (10.2%). Patients with ulcerated melanomas had an older mean age (62.3 vs. 57.2 years) (P=0.02). Tumour thickness was greater in acral melanomas (2.8 vs. 1.9 mm) (P=0.039). Overall survival and disease-free survival did not differ significantly from melanomas on other sites. Acral cutaneous melanoma has peculiar epidemiological features in the Spanish population. They are more frequent in patients above 65 years of age and they have a greater tumour thickness, but they are not significantly associated with a lower survival.

journal_name

Melanoma Res

journal_title

Melanoma research

authors

Avilés-Izquierdo JA,Longo-Imedio MI,Lázaro-Ochaita P

doi

10.1097/CMR.0b013e3282f1d2b6

subject

Has Abstract

pub_date

2010-06-25 00:00:00

eissn

0960-8931

issn

1473-5636

pub_type

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