alexa Clinical significance of atypical glandular cells of undetermined significance in postmenopausal women.
Reproductive Medicine

Reproductive Medicine

Gynecology & Obstetrics

Author(s): Chhieng DC, Elgert P, Cohen JM, Cangiarella JF

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BACKGROUND: Glandular atypia in Papanicolaou (Pap) smears from postmenopausal women is encountered frequently. This finding can be the result of artifactual alterations such as drying artifacts and inflammatory changes or may represent a squamous or glandular, preneoplastic or neoplastic process. Therefore, it is important to determine the clinical implication of a diagnosis of atypical glandular cells of undetermined significance (AGUS) in postmenopausal patients. METHODS: A total of 30,036 Pap smears were obtained from postmenopausal women between 1995 and 1997. Among these smears, 154 (0.51%) had a diagnosis of AGUS. Follow-up was available for 133 patients (86.4%); 110 patients (82.7%) had histologic follow-up (including cervical biopsy, endocervical [EC] curettage, and/or endometrial [EM] biopsy) and 23 patients (17.3%) had repeat smears. RESULTS: Thirty-six of 110 patients (32.7%) were found to have a clinically significant lesion (defined as a preneoplastic or neoplastic, glandular or squamous lesion) on subsequent histologic follow-up. Nineteen patients (53%) had glandular lesions (15 EM adenocarcinoma [ACA] cases, 2 EC ACA cases, 1 EC adenocarcinoma is situ case, and 1 EM hyperplasia case). Seventeen patients (47%) had a squamous intraepithelial lesion (SIL) (6 cases of low-grade SIL, 9 cases of high-grade [HGIL], and 2 cases of squamous cell carcinoma). Among those patients with repeat Pap smears, five patients had persistent AGUS/atypical squamous cells of undetermined significance and one patient had an SIL. CONCLUSIONS: The incidence of AGUS among postmenopausal patients was similar to that of the general population (0.51% vs. 0.56%; P > 0.05). A significant percentage of these patients were found to have a clinically significant lesion on subsequent follow-up. Furthermore, a majority of these lesions were ACA (53%) or HGSIL (26%). The findings of the current study strongly suggest the need for the close follow-up of postmenopausal patients with a diagnosis of AGUS. Cancer (Cancer Cytopathol)

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This article was published in Cancer. and referenced in Gynecology & Obstetrics

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