Medline: 1420015

British Journal of Obstetrics and Gynaecology 99(9): 745-750, 1992.

The prognosis of adenosquamous carcinomas of the uterine cervix.

Bethwaite P, Yeong ML, Holloway L, et al.

Abstract:

Objectives:
Firstly, to identify a cohort of women with invasive adenosquamous carcinomas of the uterine cervix, including mucin-producing squamous cell carcinomas. Secondly, to compare the biological characteristics and behaviour of a cohort of adenosquamous carcinomas with a cohort of non-mucin-producing squamous cell carcinomas. DESIGN: Histological review, retrospective survival analysis. SETTING: Regional multidisciplinary gynaecological oncology service. SUBJECTS: 161 cases of stage 1B and above invasive cervical carcinoma presenting between 1 January 1980 and 31 July 1987. Thirty nine women with adenosquamous carcinomas were compared with 103 women with non-mucin-producing squamous cell tumours.

Results:
Inclusion of routine stains for mucin in the assessment of histological material resulted in the reclassification of 38 (24%) of the cases, including the identification of 31 mucin-producing squamous cell carcinomas. The survival with adenosquamous tumours was significantly worse than with squamous cell cancers (P = 0.006), 5-year survival rates being 52% and 75% respectively. Multivariate analysis showed that this effect was explained by differences in clinical stage, pelvic lymph node metastasis and vascular invasion by tumour.

Conclusions:
The application of routine mucin stains to cervical tumours identifies a group of previously unrecognized adenosquamous cancers. Tumours so identified are likely to pursue a more aggressive clinical course associated with a poorer survival when compared to non-mucin-producing squamous carcinomas.


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