Atypical Findings on Cervicovaginal Smears Correlate with Cervical Involvement by Malignant Mixed Müllerian Tumors of the Uterus

Acta Cytologica
Krisztina Z HanleyMarina B Mosunjac

Abstract

A malignant mixed müllerian tumor (MMMT) is a high-grade neoplasm commonly arising from the uterus. Patients present with bleeding and a mass protruding from the cervix. This study was designed to correlate Papanicolaou (Pap) smear findings with histological findings in women diagnosed with MMMT. Women diagnosed with MMMT were identified. Preoperative Pap tests were correlated with histological findings. Statistical analysis was performed to assess associations between abnormal Pap tests and histological findings. Forty patients with MMMT were included in the study. Age ranged from 37-85 years and tumor size ranged from 1.2 to 21 cm. In presurgical Pap tests (4 conventional and 36 liquid based), 11 smears (27.5%) were diagnosed as negative, 5 (12.5%) as atypical squamous cells of undetermined significance, 6 (15%) as atypical glandular cells, 16 (40%) as malignant and 2 (5%) as high-grade squamous intraepithelial lesion. Malignant cells detected on Pap smears showed a strong correlation with endocervical involvement by MMMT (p = 0.002). Larger tumors were more likely to involve the cervix (p = 0.0115). The Pap test can predict cervical involvement by MMMT. On Pap smears, MMMT cells showed no correlation with other adverse histo...Continue Reading

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