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Vol. 46. Issue 11.
Pages 481-487 (January 2003)
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Vol. 46. Issue 11.
Pages 481-487 (January 2003)
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Infección subclínica por virus del papiloma humano dentro o fuera de la zona de transformación. ¿Es interesante su discriminación?
Subclinical human papilloma virus infection inside or outside the transformation zone. Is this distinction useful?
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L.M. Torres
Corresponding author
lmtorres@hvn.sas.cica.es

Correspondencia: Servicio de Obstetricia y Ginecología. Hospital Universitario Virgen de las Nieves. Avda. de las Fuerzas Armadas, s/n. 18014 Granada. España
, M. Navarro, A. Narváez
Unidad de Patología del Tracto Genital Inferior. Servicio de Ginecología. Hospital Universitario Virgen de las Nieves. Granada. España
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Resumen
Objetivos

Contrastar si la identificación colposcópica de presuntas lesiones subclínicas del virus del papiloma humano dentro o fuera de la zona de transformación es relevante respecto a la patología histológica de la propia zona de transformación.

Material y métodos

Durante los años 1995-2001 se estudió a 239 pacientes con enfermedad cervical en la Unidad de Patología del Tracto Genital Inferior (TGI) del Hospital Universitario Virgen de las Nieves de Granada. Ciento noventa y seis pacientes presentaban sospecha colposcópica de lesión subclínica por virus del papiloma humano dentro de la zona de transformación, mientras que 43 planteaban dicha sospecha en el epitelio pavimentoso original. Todas fueron documentadas citológicamente e incluyen estudio biópsico de la zona de transformación.

Resultados

Se apreciaron diferencias significativas en los siguientes casos: a) cuando hubo sospecha colposcópica de lesión subclínica fuera de la zona de transformación, la valoración colposcópica de la propia zona fue menos grave (cambios menores); b) la extensión de la zona de transformación es más reducida cuando se sospecha lesión por virus del papiloma humano en el epitelio original; c) las imágenes blancas sobreelevadas son más frecuentes cuando la sospecha colposcópica de virus del papiloma humano se encuentra dentro de la zona de transformación, y d) las biopsias de la zona de transformación indican que las lesiones intraepiteliales escamosas son más frecuentes cuando la sospecha colposcópica de virus del papiloma humano se sitúa dentro de la zona de transformación.

Conclusión

Los resultados demuestran la necesidad de identificar colposcópicamente las lesiones sospechosas de virus del papiloma humano, fuera o dentro de la zona de transformación, ya que provee diferencias importantes en la gravedad histológica de la lesión cervical.

Palabras Clave:
VPH
Colposcopia
SIL
Zona de transformación
Multicéntrico
Summary
Objectives

To determine the importance of discriminating between colposcopically identified subclinical human papilloma virus (HPV) lesions found within or outside the transformation zone.

Material and methods

From 1995 to 2001, 239 patients with cervical abnormalities in the Lower Female Genital Tract Pathology Unit of the Virgen de las Nieves University Hospital in Granada were included in this study. A total of 196 patients had subclinical lesions of HPV within the transformation zone and 43 had lesions outside transformation zone (native epithelium). All patients were evaluated by cytology including biopsy of the transformation zone.

Results

Significant differences were found in the following cases: Subclinical HPV lesions in native epithelium were correlated with transformation zones with low grade (minor changes). The transformation zone was smaller when the suspected HPV lesion was found outside the transformation zone. Elevated white images were more frequent when the suspected HPV lesion was within the transformation zone. Biopsies of the transformation zone indicated that squamous intraepithelial lesions were more frequent when the suspected HPV lesion was found within the transformation zone.

Conclusion

The results of this study demonstrate the need for colposcopic identification of suspected HPV lesions inside or outside the transformation zone because this information indicates important differences in the histological seriousness of the cervical lesion.

Key Words:
HPV
Colposcopy
SIL
Transformation zone
Multicentric
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Copyright © 2003. Sociedad Española de Ginecología y Obstetricia
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