Mammographic Changes in Postmenopausal Women: Comparative Effects between Continuous Combined Hormone and Single Estrogen Replacement Therapy
Journal of the Korean Radiological Society
;
: 1087-1092, 1997.
Article
in English
| WPRIM
| ID: wpr-183696
ABSTRACT
PURPOSE:
As the use of hormone replacement therapy for the menopausal women increases, some caution is advised, since there is an increased risk of breast cancer. Accordingly, the importance of regular mammography has been addressed. This cross-sectional study analyzed the effects of different hormone therapies on mammographic density. MATERIALS ANDMETHODS:
Sixty-seven postemenopausal women who had completed one year of hormone therapy and had undergone follow-up mammography, were divided into two groups Group I continuous conjugated equine estrogen, 0.625 mg, plus continuous medroxyprogesterone acetate, 2.5 mg (n=48), Group II continuous conjugated equine estrogen 0.625 mg (n=19). The mammograms were read by two radiologists.RESULTS:
With regard to the radiologists involved, interobserver reliability (kappa) was 0.70 and intraobserver reliability (kappa) was 0.51 and 0.67. Before hormone therapy, factors related to decreased mammographic density were age and number of full term pregnancies (p<0.05). After one year of hormone therapy, body fat showed a significant increase (p<0.05), but in spite of this, increased mammographic density induced by hormone therapy remained significantly high (p<0.05). Compared with Group II, Group I showed a significant increase in mammographic density (p<0.05). In Group I, mammographic density increased from P2 to DY pattern in two cases, but there was no such change in Group II.CONCLUSION:
The increase of mammographic density seen in Group II was much more significant statistically than that seen in Group I. The mammograms of women who have undergone continuous combined hormone therapy should therefore be interpreted very cautiously.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Breast Neoplasms
/
Mammography
/
Estrogen Replacement Therapy
/
Adipose Tissue
/
Cross-Sectional Studies
/
Follow-Up Studies
/
Medroxyprogesterone Acetate
/
Hormone Replacement Therapy
/
Estrogens
Type of study:
Observational study
/
Prevalence study
/
Prognostic study
/
Risk factors
Limits:
Female
/
Humans
/
Pregnancy
Language:
English
Journal:
Journal of the Korean Radiological Society
Year:
1997
Type:
Article
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