Colposcopic Findings in Stage Ia Cancer of the Uterine Cervix

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  • SASAKI Hidetoshi
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • IKEDA Masanori
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • KIMURA Kenzo
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • INOUE Yoshiki
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • FUKUDA Masaki
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • HORII Takahisa
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • TESHIMA Kensaku
    Department of Obstetrics and Gynecology, Kinki University School of Medicine
  • NODA Kiichiro
    Department of Obstetrics and Gynecology, Kinki University School of Medicine

Bibliographic Information

Other Title
  • 子宮頸癌Ia期のコルポスコピー所見
  • シキュウケイガン Iaキ ノ コルポスコピー ショケン コルポ シン ニヨル
  • —Recognition of Early Invasion by Colposcopy—
  • ―コルポ診による初期浸潤の認識について―

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Abstract

Colposcopy was a diagnostic method to determine the locus and the extent of the focus of cervical malignancy, and there were many reports which denied that this method was capable of diagnosing the quality of the pathological changes. However, there have been strong demands for a correct preoperative diagnosis of the presence and extent of invasion and great expectations have been placed in colposcopy. From the detailed analysis of colposcopic findings and tissue reconstraction in stage Ia cancer, we investigated the characteristic colposcopic findings of stage Ia cancer and the possibility of using colposcopy for the recognition of early invasion.<br>Reconstruction of the cervical lesion was performed using semi-serial tissue specimens in 54 cases of stage Ia cancer undergone surgery in the department of Obstetrics and Gynecology, Kinki University Hospital in the last three years, and comparisons were made with colpophotographs.<br>Results are as follows:<br>1) The ectocervix type (the S·C·J was fully visible) was 75.9% and the endocervix type (the S·C·J was not fully visible) was 24.1%. Among the latter cases, the abnormal colposcopic findings could not be observed at all by colposcopy in four cases.<br>2) The correct diagnostic rate of target biopsy was 73.2% in the ectocervix type and 23.1% in the endocervix type.<br>3) Golposcopic findings of stage Ia cancer cases showed white epithelium, punctation and mosaic in 35 cases (85.4%), and 75.6% also showed abnormal gland openings and atypical vessels.<br>4) From the comparison between the locations of the invasion and the colposcopic findings, the findings which could be assumed to indicate early invasion were group of crowded abnormal gland openings, irregular punctation and mosaic with surface elevation, and atypical vessels in the surface elevasion.

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