Your browser doesn't support javascript.
loading
Validez de criterio y reproductividad de la lectura guiada en la citología cérvico-vaginal / Utility of a guided reading technique for cervical cancer screening
Pardo, Hernando; Díaz, Luis Alfonso; Niño, María Eugenia.
  • Pardo, Hernando; Liga Santandereana de Lucha contra el Cáncer. Facultad de Medicina. Bucaramanga. CO
  • Díaz, Luis Alfonso; Universidad Autónoma de Bucaramanga. Facultad de Medicina. Bucaramanga. CO
  • Niño, María Eugenia; Universidad Autónoma de Bucaramanga. Bucaramanga. CO
Colomb. med ; 37(2): 142-147, abr.-jun. 2006. ilus, tab
Article in Spanish | LILACS | ID: lil-585809
RESUMEN

Contexto:

La lectura de la citología cérvico-vaginal sigue un patrón que puede omitir sectores donde haya nidos de células anormales. Se ha diseñado una estrategia de guía de la lectura de bajo costo.

Objetivo:

Establecer la validez de criterio y la reproductividad de la lectura guiada sobre la capacidad de discriminar la citología cérvico-vaginal.

Metodología:

En 300 mujeres sin historia de cáncer de cuello uterino se tomaron dos láminas de citología cérvico-vaginal; ambas se leyeron con el método regular para posterior reevaluación oculta con técnica guiada. Se calcularon los indicadores diagnósticos de las lecturas regular y guiada de cada lámina (patrón de oro lectura por patólogo).

Resultados:

Hubo 65 (21.7%) mujeres con citología positiva en la lectura regular, mientras que 64 (21.3%) lo fueron en la lectura guiada. La concordancia de la lectura regular (Kappa 0.354; IC 95% 0.250-0.457) mejoró con la lectura guiada (Kappa 0.395; IC 95% 0.285-0.505). De las placas 24.3% fueron positivas en la lectura por patólogo (2.7% con lesión de alto grado de malignidad). La lectura guiada mejoró los indicadores de validez de criterio.

Conclusión:

La lectura guiada mejora los indicadores de desempeño, y corrige parcialmente las fallas humanas en la lectura. Sin embargo, esto se debe verificar en estudios poblacionales.
ABSTRACT

Background:

Reading of Papanicolaou test slides follows a pattern that could omit sectors with abnormal cell nests. A low-cost guided reading strategy has been designed.

Aim:

To establish criteria validity and reproducibility of guided reading strategy in cervical uterine Pap smear.

Methodology:

To each of 300 women without cervical cancer history in order to apply Papanicolaou test, two slides were taken; both slides were read by regular method, and then reevaluated in blinded conditions with a guided technique. Diagnosis accuracy of regular and guided techniques was determined using pathologist’s reading as a gold standard.

Results:

When regular readings were used 65 (21.7%) of women had abnormal cytology, and 64 (21.3%) had also abnormal readings with the guided technique. Concordance of the regular reading (Kappa 0.354; 95% CI 0.250-0.457) improved with the guided technique (Kappa 0.395; 95% CI 0.285-0.505), while 24.3% slides were found abnormal in gold standard (2.7% with a high degree of malignancy). The guided reading improves all criteria validity indicators.

Conclusion:

This study demonstrated that the guided reading improves criteria validity indicators, correcting some technician mistakes; however, a populational study is necessary to confirm these results.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Women / Uterine Cervical Neoplasms / Cell Biology / Population Studies in Public Health Type of study: Diagnostic study / Practice guideline / Screening study Language: Spanish Journal: Colomb. med Journal subject: Medicine Year: 2006 Type: Article Affiliation country: Colombia Institution/Affiliation country: Liga Santandereana de Lucha contra el Cáncer/CO / Universidad Autónoma de Bucaramanga/CO

Similar

MEDLINE

...
LILACS

LIS

Full text: Available Index: LILACS (Americas) Main subject: Women / Uterine Cervical Neoplasms / Cell Biology / Population Studies in Public Health Type of study: Diagnostic study / Practice guideline / Screening study Language: Spanish Journal: Colomb. med Journal subject: Medicine Year: 2006 Type: Article Affiliation country: Colombia Institution/Affiliation country: Liga Santandereana de Lucha contra el Cáncer/CO / Universidad Autónoma de Bucaramanga/CO