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Artigo<br />
Osteossarcoma em Menores <strong>de</strong> 20 Anos no Maranhão<br />
Francisco A. <strong>de</strong> A. Mello 1 , Raimun<strong>da</strong> R. <strong>da</strong> Silva 2 , Luciane M. O. Brito 3 , Sonia A. <strong>de</strong> Mello 4 , José P. Guará 5 , A<strong>na</strong> L. M. Silva 6 , Dulcele<strong>na</strong> F. Silva 7 , Gutemberg F.<br />
Araújo 8 , Maria Bethania <strong>da</strong> C. Cheim 9 , Maria do Desterro S. B. Nascimento 10<br />
1 - Médico Pediatra, Mestre em Saú<strong>de</strong> Materno-Infantil, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão,<br />
Professor do Curso <strong>de</strong> Medici<strong>na</strong> do Centro Universitário do Maranhão (Uniceuma) – São Luís<br />
2 - Médica Patologista, Mestre, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
3 - Médica Ginecologista, Doutora em Medici<strong>na</strong>, Coor<strong>de</strong><strong>na</strong>dora do Programa <strong>de</strong> Pós-Graduação em<br />
Saú<strong>de</strong> Materno-Infantil, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
4 - Médica Pediatra, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
5 - Acadêmico <strong>de</strong> Medici<strong>na</strong> <strong>da</strong> Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís, bolsista do PIBIC, UFMA – CNPq<br />
6 - Acadêmica <strong>de</strong> Medici<strong>na</strong> e Estagiária do Núcleo <strong>de</strong> Imunologia Básica e Aplica<strong>da</strong> <strong>da</strong> Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
7 - Médica Oncologista Clínica, Mestre em Ciências <strong>da</strong> Saú<strong>de</strong>, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
8 - Médico Cirurgião, Doutor em Técnica Operatória e Cirurgia Experimental, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
9 - Médica Ginecologista, Doutora em Medici<strong>na</strong>, Professora do Programa <strong>de</strong> Pós Graduação em Saú<strong>de</strong> Materno-Infantil <strong>da</strong> Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do<br />
Maranhão, Universi<strong>da</strong><strong>de</strong> Estadual do Maranhão, Centro Universitário do Maranhão (Uniceuma) – São Luís<br />
10 - Médica Oncologista Clínica, Membro Titular <strong>da</strong> Socie<strong>da</strong><strong>de</strong> Brasileira <strong>de</strong> Oncologia Clínica (SBOC), Doutora em Medici<strong>na</strong>, Orientadora e Professora<br />
do Programa <strong>de</strong> Pós-Graduação em Saú<strong>de</strong> Materno-Infantil, Universi<strong>da</strong><strong>de</strong> Fe<strong>de</strong>ral do Maranhão – São Luís<br />
Resumo<br />
Summary<br />
Osteossarcoma em Menores <strong>de</strong> 20 Anos no Maranhão<br />
Objetivos: Estu<strong>da</strong>r osteossarcoma em menores <strong>de</strong> 20 anos,<br />
caracterizando os aspectos epi<strong>de</strong>miológicos, clínicos e histopatológicos<br />
no Centro <strong>de</strong> Assistência <strong>de</strong> Alta Complexi<strong>da</strong><strong>de</strong> em<br />
Oncologia no Maranhão.<br />
Métodos: Foi realizado um estudo observacio<strong>na</strong>l e <strong>de</strong>scritivo<br />
em 26 pacientes com diagnóstico <strong>de</strong> osteossarcoma em menores<br />
<strong>de</strong> 20 anos <strong>de</strong> i<strong>da</strong><strong>de</strong> em um Centro <strong>de</strong> Assistência <strong>de</strong> Alta Complexi<strong>da</strong><strong>de</strong><br />
em Oncologia (CACON), <strong>de</strong>nomi<strong>na</strong>do Instituto Maranhense<br />
<strong>de</strong> Oncologia Al<strong>de</strong>nora Bello em São Luís-Maranhão, durante o<br />
período <strong>de</strong> abril <strong>de</strong> 1996 a abril <strong>de</strong> 2006.<br />
Resultados: Foram a<strong>na</strong>lisados os prontuários <strong>de</strong> 26 pacientes<br />
on<strong>de</strong> se observou que a i<strong>da</strong><strong>de</strong> variou <strong>de</strong> 5 a 20 anos, sendo 14<br />
(53,8%) do sexo feminino e 12 (46,2%) do sexo masculino; 20<br />
eram <strong>da</strong> cor par<strong>da</strong>, equivalendo 76,9%, seguindo-se a cor branca<br />
com 15,4%, sendo que 14 (53,8%) eram oriundos do interior do<br />
estado. A localização mais comum do tumor foi no fêmur esquerdo<br />
(42,3%). Dentre os 22 pacientes com osteossarcoma convencio<strong>na</strong>l,<br />
13 (50%; 13/26) eram do tipo misto seguido do tipo telangiectásico<br />
(11,5%; 3/26) e periosteal (3,8%; 1/26). Houve predomínio<br />
do grau histológico III (alto grau), compreen<strong>de</strong>ndo 65,4%; seguido<br />
do grau II (baixo grau) com 30,8%. Segundo o estadiamento,<br />
Osteosarcoma in minors of 20 years in Maranhão<br />
Objective: To study osteosarcoma in minors of 20 years <strong>de</strong>fining<br />
the epi<strong>de</strong>miological, clinical and histopathological aspects in the<br />
High Complexity Centre of Oncology in São Luis/MA.<br />
Methods: It was done an observing and <strong>de</strong>scriptive study in<br />
26 patients with age less than 20 years old with osteosarcoma<br />
treated in a High Complexity Assistance Centre called “Instituto<br />
Maranhense <strong>de</strong> Oncologia Al<strong>de</strong>nora Bello” in São Luis-Maranhão<br />
from April 1996 to April 2006.<br />
Results: It was a<strong>na</strong>lyzed report books from 26 patients in which<br />
was observed that age had a variety from 5 to 20, 14 were from<br />
female gen<strong>de</strong>r (53,8%) and 12 (46,2%) from male gen<strong>de</strong>r; twenty<br />
had brown skin (76,5%), white skin (15,4%) and 14 (53,8%) has<br />
come from country si<strong>de</strong> of Maranhão. The most prevalent tumor<br />
locality was in the left femur (42,3%). Among the 22 patients with<br />
conventio<strong>na</strong>l osteosarcoma, 13 were (50%) the mix type, followed<br />
by telangiectasic (11,5%; 3/26) and periosteal (3,8%; 1/26).<br />
There was a predomi<strong>na</strong>nce of histology gra<strong>de</strong> III (high gra<strong>de</strong>) with<br />
65,4%; gra<strong>de</strong> II (low gra<strong>de</strong>) with 30,8%. According to TNM stage,<br />
15 (57,7%) were T1NxM0 and 7 were T1NxM1a, clinical stage<br />
was predomi<strong>na</strong>ntly IIA (57,6%) followed by IVA (30,7%). From 10<br />
patients initially diagnosed with metastatic disease when admitted,<br />
8 (34,6%) had lung implantation. The type of ostesarcomas, even<br />
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<strong>NewsLab</strong> - edição 91 - 2008