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Zhao, C. et al.

Chengquan Zhao, R. Marshall Austin, Jianqiu Pan, Nancy Barr, Sue E. Martin, Anwar Raza, Camilla Cobb,

Clinical significance of atypical glandular cells in conventional pap smears in a large, high-risk U.S. west coast minority population.

OBJECTIVE: To determine the incidence of clinically significant lesions on subsequent histologic follow-up in high-risk, predominantly minority patients with atypical glandular cells (AGC). STUDY DESIGN: A retrospective study was done on conventional Pap smears diagnosed as AGC of endocervical origin (AGC-EC), AGC of endometrial origin (AGC-EM) and AGC not otherwise specified (AGC-NOS) between January 1, 2003, and December 31, 2005. Histologic diagnoses were correlated with cytologic diagnoses. RESULT: Confirmed AGC cases were divided into 4 categories: 187 AGC-NOS, 169 AGC-EC, 68 AGC and atypical squamous cells of undetermined significance (ASCUS) and 36 AGC-EM. A total of 105 patients (22.8%) had significant precancerous (cervical intraepithelial neoplasia [CIN] 2/3, adenocarcinoma in situ [AIS]) or malignant (carcinoma) histologic outcomes. CIN 2/3 was the most common significant histologic outcome in women with AGC and ASCUS and patients <35 years with AGC. Endometrial neoplasia was the most common significant outcome in women with AGC-NOS and AGC-EM Pap results and in AGC patients > or =35. In women with AGC-EC Pap results, glandular cervical neoplasia occurred in 8.3% and CIN 2/3 in 5.9% offollow-up biopsies. CONCLUSION: AGC subtype and age significantly affect the probability of precancerous and malignant follow-up findings and anatomic site of neoplastic lesions. Access to newer screening technologies such as high-risk HPVDNA testing and liquid-based cytology will likely benefit such high-risk populations.[1]

References

Clinical significance of atypical glandular cells in conventional pap smears in a large, high-risk U.S. west coast minority population. Zhao, C., Austin, R.M., Pan, J., Barr, N., Martin, S.E., Raza, A., Cobb, C. Acta Cytol. (2009) [Pubmed]

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