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Predictores clínicos de etapificación en cáncer colorrectal / Clinical predictors of staging in colorectal cancer
Márquez-Villalobos, Félix Omar; Ambriz-González, Gabriela; Romo-Sandoval, Hilda Vanesa; Velázquez-Ramírez, Gabriela Abigail; Alvarez-Villaseñor, Andrea Socorro; González-Ojeda, Alejandro.
  • Márquez-Villalobos, Félix Omar; Instituto Mexicano del Seguro Social. Centro Médico Nacional de Occidente. Hospital de Pediatría. Servicio de Cirugía General. Guadalajara. MX
  • Ambriz-González, Gabriela; Instituto Mexicano del Seguro Social. Centro Médico Nacional de Occidente. Hospital de Pediatría. Servicio de Cirugía Pediátrica. Guadalajara. MX
  • Romo-Sandoval, Hilda Vanesa; Hospital Civil de Guadalajara Fray Antonio Alcalde. Servicio de Consulta Externa Adultos. Guadalajara. MX
  • Velázquez-Ramírez, Gabriela Abigail; Instituto Mexicano del Seguro Social. Centro Médico Nacional de Occidente. Hospital de Especialidades. Sección Cirugía. Unidad de Investigación en Epidemiología Clínica. Guadalajara. MX
  • Alvarez-Villaseñor, Andrea Socorro; Instituto Mexicano del Seguro Social. Centro Médico Nacional de Occidente. Hospital de Especialidades. Sección Cirugía. Unidad de Investigación en Epidemiología Clínica. Guadalajara. MX
  • González-Ojeda, Alejandro; Instituto Mexicano del Seguro Social. Centro Médico Nacional de Occidente. Hospital de Especialidades. Sección Cirugía. Unidad de Investigación en Epidemiología Clínica. Guadalajara. MX
Cir. & cir ; 76(4): 311-315, jul.-ago. 2008. tab
Artigo em Espanhol | LILACS | ID: lil-568081
ABSTRACT

OBJECTIVE:

We undertook this study to determine the relationship between clinical symptoms as predictors for staging colorectal cancer (CRC).

METHODS:

We performed a cross-sectional study from January 2000 to January 2005 at the [quot ]Hospital Civil Fray Antonio Alcalde.[quot ] All patients with histological diagnosis of CRC were included. Variables analyzed were gender, age, clinical manifestations and location of the tumor, as well as degree of differentiation and time of evolution.

RESULTS:

We studied 108 patients with CRC. There were 52 female patients (48.1%) and 56 male patients (51.9%). Twenty five patients were <40 years old (23.15%). Most tumors were well to mildly differentiated adenocarcinomas (88.9%). We observed 37% of proximal tumors with a median evolution time of 11.45 months. Distal tumors were observed in 68 patients with a median evolution time of 9.19 months (p = 0.20). Hemoglobin levels were lower in proximal carcinomas (p = 0.02). Advanced tumors (stages III and IV) corresponded to 82.4% of the cases. The three most common symptoms were rectal bleeding, change in bowel habits and nonspecific abdominal pain. All showed low sensitivity but moderately high specificity (rectal bleeding 89%, change in bowel habits 68%). Combinations of these last two symptoms to predict advanced stage were 55 and 68%.

CONCLUSIONS:

The majority of the patients were diagnosed with advanced stages of well-to-mildly differentiated adenocarcinomas. Symptom evaluation as predictors for staging showed a low sensitivity and a moderately high specificity due to a late diagnosis of advanced tumors. We attributed our results to a referral bias, the absence of screening programs and lack of clinical judgment to diagnose CRC at earlier stages.
Assuntos
Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Neoplasias Colorretais / Adenocarcinoma / Estadiamento de Neoplasias Tipo de estudo: Estudo diagnóstico / Estudo de etiologia / Estudo de incidência / Estudo observacional / Estudo de prevalência / Estudo prognóstico / Fatores de risco / Estudo de rastreamento Limite: Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Espanhol Revista: Cir. & cir Assunto da revista: Cirurgia Geral Ano de publicação: 2008 Tipo de documento: Artigo País de afiliação: México Instituição/País de afiliação: Hospital Civil de Guadalajara Fray Antonio Alcalde/MX / Instituto Mexicano del Seguro Social/MX

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Neoplasias Colorretais / Adenocarcinoma / Estadiamento de Neoplasias Tipo de estudo: Estudo diagnóstico / Estudo de etiologia / Estudo de incidência / Estudo observacional / Estudo de prevalência / Estudo prognóstico / Fatores de risco / Estudo de rastreamento Limite: Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Espanhol Revista: Cir. & cir Assunto da revista: Cirurgia Geral Ano de publicação: 2008 Tipo de documento: Artigo País de afiliação: México Instituição/País de afiliação: Hospital Civil de Guadalajara Fray Antonio Alcalde/MX / Instituto Mexicano del Seguro Social/MX