Osteopenia and osteoporosis can be predicted from Pap test |
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Authors: | Repse-Fokter Alenka Fokter Samo K |
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Institution: | Department of Pathomorphology and Cytology, Celje General Hospital, Celje, Slovenia. alenka.repse-fokter@guest.arnes.si |
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Abstract: | OBJECTIVE: To determine sensitivity and specificity of Pap tests for osteopenia and osteoporosis using bone mineral density (BMD) with dual x-ray absorptiometry (DXA) as the reference standard. STUDY DESIGN: DXA measurement was performed on 136 routine Pap smears. Results of DXA measurement were expressed in T-scores, indicating degree of deviation compared to a young adult population of same age and gender. Smears were grouped into atrophic and mature cell patterns. Using a stereologic analysis, mean areas of squamous cells, their nuclei and their cytoplasm were estimated. RESULTS: There was significant positive correlation between cell area and T-score (p < 0.001), as well as between cytoplasm area and T-score (p < 0.001). There was no significant relationship between nucleus area and T-score (p > 0.05). Mean T-scores of patients with atrophic cells were significantly lower than mean T-scores of patients with mature cell patterns (p < 0.001). The group including patients with atrophic or mature cells had a sensitivity of 61.4% and specificity of 86.4%, with positive predictive value of 95.9% in detecting patients with osteopenia or osteoporosis. CONCLUSION: Women with atrophic smear pattern are susceptible to osteopenia or osteoporosis; many cases could be detected with routine Pap test without additional costs. |
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