Vilanova CMA, Lages RB, Ribeiro SM, Almeida IP, Santos LGD, Vieira SC. Epidemiological and histopathological profile of cutaneous melanoma at a center in northeastern Brazil from 2000 to 2010.
An Bras Dermatol 2014;
88:545-53. [PMID:
24068125 PMCID:
PMC3760929 DOI:
10.1590/abd1806-4841.20132036]
[Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Accepted: 10/14/2012] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND
While representing only 3-4% of malignant skin tumors, cutaneous melanoma is the
most aggressive and lethal. Statistical knowledge about the biological behavior of
this tumor is essential for guiding daily outpatient practice and aiding public
health policies.
OBJECTIVES
To analyze the profile of patients with cutaneous melanoma attending a pathology
department in Teresina (state of Piauí) between 2000 and 2010.
METHODS
Retrospective study of melanoma patients diagnosed between 2000 and 2010 in the
São Marcos Hospital in the city of Teresina. The pathology laboratory reports were
studied and all the statistical analyses performed using SPSS 19.0.
RESULTS
A total of 25 in situ, 199 invasive and 89 metastatic melanomas of unknown
primary site were observed. Histological types found were nodular (52.8%),
superficial spreading melanoma (18.6%), acral (10.6%) and lentigo maligna (9.5%).
In 144 (73.4%) cases the Breslow thickness was >1 mm. Metastasis was found in
28.6% of invasive melanomas and nodular melanoma, Clark IV/ V, Breslow > 1 mm,
mitotic index ≥ 6 and ulcerated lesions were more likely to metastasize.
CONCLUSION
Most melanomas presented Breslow> 1mm. The main factors associated with
metastasis were nodular type, Clark IV / V, Breslow> 1mm, mitotic index ≥ 6
and ulcerated lesions.
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