Abstract
Type 3 transformation zone (TZ) of the cervix poses a challenge in cervical cancer screening with visual techniques because of the potential for missing important precancerous lesions. This paper presents two case reports of women with Type 3 TZs who were screened with visual methods at the Cameroon Baptist Convention Health Services, had reassuring screening results, but presented soon after with invasive cervical cancer (ICC). It is likely that at the time of their initial screening, they already had high grade precancer or early ICC that were involving the TZ beyond the examiner's view.
Highlights
Type 3 transformation zone (TZ) of the cervix poses a challenge in cervical cancer screening with visual techniques because of the potential for missing important precancerous lesions which can progress into invasive cervical cancer (ICC) prior to detection
Whenpart or all of the squamo-columnar junction (SCJ) is in the endocervical canal but can be visualized at 360° with/ without manipulation of the speculum, it is known as Citation: Manga SM, Tita AT, Huh WK, Ngalla C, Liang MI (2021) Type 3 Transformation Zone of the Cervix and Risk of Missed Lesions during Cervical Cancer Screening with Visual Methods: A Case Report from Cameroon
Type 3 TZ is associated with the risk of missed cervical lesions in programs that rely on cervical cancer screening with visual methods
Summary
Type 3 transformation zone (TZ) of the cervix poses a challenge in cervical cancer screening with visual techniques because of the potential for missing important precancerous lesions which can progress into invasive cervical cancer (ICC) prior to detection. Are two case studies of women who were screened with VIA/VILI-DC within WHP with Type 3 TZs and were given reassuring results but developed ICC shortly thereafter. This is a case of a 46-year-old G4P4004 HIV negative woman who was married and a farmer by profession. Her first VIA/VILIDC was performed in October 2018 at the WHP clinic at MBH She had a Type 3 TZ with no identifiable lesion, so she was reassured and asked to return in one year for follow-up screening given her HIV status (Figure 2a). The cancer was 2014 FIGO stage IB1 and she was referred for a radical hysterectomy
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