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Objective We reviewed consecutive cases classified as benign cellular changes (BCC) over a four-month period. Study design Cases classified as BCC were retrieved from the cytology files. A search was carried out to identify the previous Pap smears and concomitant cervical biopsies. Results One thousand one hundred three cases (23% of our gynecologic smears) were classified as BCC. Ninety-two patients (8.3%) underwent concurrent cervical biopsies. Specific infections accounted for 8% of BCC cases; reactive changes accounted for 92%. Of the biopsy specimens, 8.3% had no significant pathologic change. The most common biopsy diagnoses were cervicitis (31.5%), immature squamous metaplasia (16.3%) and reserve cell hyperplasia (10.8%). Miscellaneous benign diagnoses accounted for 21.7%. Cervical intraepithelial neoplasia (CIN) 1/human papillomavirus (HPV) was present in 14% of cases. All patients with biopsy diagnoses of CIN 1 had at least two previous abnormal Pap smears. Previous biopsy reports were available for review in 127 (12%) of the 1,103 patients. Of these 127 cases, 53.5% had a previous diagnosis of CIN/HPV; 9.4% had invasive carcinoma. A benign diagnosis was reported in 36.5%. Conclusion The majority of BCC cases are due to reactive and inflammatory processes. In patients with a previous history of CIN, BCC may be of some significance. In patients with no significant prior cervical abnormalities, a Pap smear classified as BCC represents a reactive process.

OBJECTIVE: To evaluate the qualification of a Pap smear classified as atypical squamous cells of undetermined significance (ASCUS) favor reactive or neoplasia as recommended by the Bethesda System. STUDY DESIGN: The smears from 105 concurrent patients with a cytologic diagnosis ofASCUS not otherwise qualified were reviewed and subclassified as ASCUS favor reactive, low grade squamous intraepithelial lesion (LSIL) or high grade squantous intraepithelial lesion (HSIL) based on the Bethesda System criteria. The cervical biopsy diagnoses were correlated. RESULTS: Of the 105 cases classified as ASCUS, 37 were subclassified as favor reactive, 51 asfavor LSIL and 17 as favor HSIL on cytologic review. In the ASCUS favor reactive group, 19 (51%) had reactive changes on biopsy, 17 (46%) had cervical intraepithelial neoplasia (CIN) 1, and 1 (2%) had CIN 3. A total of 48% patients had CIN. In the favor LSIL group, there was CIN 1 in 28 cases (55%), CIN 2 or 3 in 12 (23%) and benign changes in 11 (22%) on biopsy. Seventy-eight percent had CIN. In the 17 cases classified as ASCUS favor HSIL group, all had CIN. CONCLUSION: Of the total 105 cases of ASCUS, 71% had CIN, 29% had reactive changes on follow-up biopsies, and 48% of patients in the ASCUS favor reactive group had CIN. Qualifiers of ASCUS have questionable utility in patient management.