Study of the histopathological types of cutaneous melanoma in Palmas-TO from 2001 to 2011

Costa, Nilo Fernandes da; Fernandes, Nurimar Conceição; Borges, Myrlena Regina Machado Mescouto

doi:10.1590/abd1806-4841.20153528

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Sumário

Investigation • An. Bras. Dermatol. 90 (5) • Sep-Oct 2015 • https://doi.org/10.1590/abd1806-4841.20153528 copy

Study of the histopathological types of cutaneous melanoma in Palmas-TO from 2001 to 2011^* * Study performed at Universidade Federal do Tocantins (UFT) – Palmas (TO), Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

BACKGROUND:

Cutaneous melanoma (CM) is considered serious for causing frequent metastasis, presenting high mortality, resistance to available therapies and incidences in laboring activity.

OBJECTIVES:

To study the histopathological types of cutaneous melanoma in Palmas-TO from 2001 to 2011, according to risk factors, location of lesions, Clark levels and Breslow thickness.

METHODS:

A descriptive, retrospective and quantitative research in reports of the Serviços de Anatomia Patológica in Palmas (SAPP) and Registro de Câncer de Base Populacional de Palmas (RCBPP).

RESULTS:

The years of highest incidences were: 2004 (8 cases/17.8%), 2008 and 2011 (7 cases each/15.6%) and 2010 (6 cases/13.3%). Among the 45 cases studied, there were predominance in patients between 41 and 60 years old, women, caucasians, farmers, located in trunk, in situ type, superficial extensive and metastatic cutaneous, Clark levels I (20%) and IV (17.7%), Breslow thickness ≤1 mm (35.5%) and 2.01 to 4 mm (24.4%).

CONCLUSIONS:

The most common histopathological types were: cutaneous melanoma in situ, superficial extensive and metastatic, followed by nodular cutaneous melanoma, and finally, by other forms. In this study, Clark levels and Breslow thickness pointed to greater importance of thin melanomas and sun exposure without appropriate protection in farmers.

Keywords:
Epidemiology; Melanoma; Occupational diseases; Pathology; Skin neoplasms; Workers

Age (years)	Patients (n)	%
0 to 20	0	0.0
21 to 40	8	17.8
41 to 60	19	42.2
61 to 80	14	31.1
81 to 100	4	8.9
Total	45	10

Age	Profession
Age	Farmer	Housewife	Teacher	Businesswoman	Government employee	Other	NI
0 to 20	0	0	0	0	0	0	0
21 to 40	0	0	1	1	0	6	0
41 to 60	5	2	2	1	2	7	1
61 to 80	4	6	0	0	0	1	3
81 to 100	2	0	0	0	0	0	1
Total	11	8	3	2	2	14	5

Profession	N. of patients	%
Farmer	11	24.4
Housewife	8	17.8
Not identified	5	11.1
Teacher	3	6.7
Businesswoman	2	4.4
Government employee	2	4.4
Veterinarian	1	2.2
Cook	1	2.2
Healthcare provider	1	2.2
Bank teller	1	2.2
Mototaxi driver	1	2.2
Security guard	1	2.2
Manicure	1	2.2
Human Resources analyst	1	2.2
Electric engineer	1	2.2
Manager	1	2.2
Packer	1	2.2
Administrative assistant	1	2.2
Psychologist	1	2.2
Total	45	100

Location	N. of patients	%
Trunk	16	35.6
Lower limbs	10	22.2
Superior limbs	7	15.6
Face	7	15.6
Head	2	4.4
Not identified	2	4.4
Buttock	1	2.2
Total	45	100

Clark Level	N. of patients	%
I	9	20.0
II	7	15.6
III	6	13.3
IV	8	17.7
V	3	6.7
Not applicable	9	20.0
Not defined	3	6.7
Total	45	100

Breslow thickness	N. of patients	%
≤1 mm	16	35.6
1.01 mm to 2 mm	4	8.9
2.01 mm to 4 mm	11	24.4
>4 mm	2	4.4
Not applicable	9	20.0
Not defined	3	6.7
Total	45	100

Sociedade Brasileira de Dermatologia Av. Rio Branco, 39 18. and., 20090-003 Rio de Janeiro RJ, Tel./Fax: +55 21 2253-6747 - Rio de Janeiro - RJ - Brazil
E-mail: revista@sbd.org.br

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[1] MAILING ADDRESS: Nilo Fernandes da Costa, 307 Sul, Rua 4, Lote 10, QI 24, Downtown, 77.015-470 - Palmas TO, Brazil. E-mail:nfcdermatologista@hotmail.com

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Study of the histopathological types of cutaneous melanoma in Palmas-TO from 2001 to 2011* * Study performed at Universidade Federal do Tocantins (UFT) – Palmas (TO), Brazil.

Abstract

BACKGROUND:

OBJECTIVES:

METHODS:

RESULTS:

CONCLUSIONS:

Study of the histopathological types of cutaneous melanoma in Palmas-TO from 2001 to 2011^* * Study performed at Universidade Federal do Tocantins (UFT) – Palmas (TO), Brazil.