atypical endometrial hyperplasia

atypical endometrial hyperplasia

a particularly severe form of hyperplasia marked by an increase in the number of glands; these glands have little stroma separating them, yet retain an orderly architecture, a trait that distinguishes them from adenocarcinoma; sometimes referred to as endometrial cancer in situ.

a·typ·i·cal en·do·me·tri·al hy·per·pla·si·a

(ā-tip'i-kăl en'dō-mē'trē-ăl hī'pĕr-plā'zē-ă)
Increase in the number of endometrial glands, which have little, if any, stroma separating them but retain an orderly architecture distinguishing them from adenocarcinoma.
References in periodicals archive ?
In the premalignant and malignant etiologies, atypical endometrial hyperplasia was seen in 14% cases.
Atypical endometrial hyperplasia was seen in 6 cases (0.8%), out of which 4 cases (66.67%) were seen in perimenopausal age group and 2 cases (33.33%) in postmenopausal age group (Fig.
These revealed no cases of atypical endometrial hyperplasia or malignancy, and no baseline increases in rates of progesterone receptor modulator-associated endometrial changes, Dr.
Among them, 29 cases were atypical endometrial hyperplasia (11 cases) or carcinoma (18 cases) confirmed by histology evaluation.
Dumesic, "Treatment of atypical endometrial hyperplasia with an insulin-sensitizing agent," Gynecological Endocrinology, vol.
In one study 16 out of 17 patients diagnosed as having atypical endometrial hyperplasia showed regression of the lesion with progestin therapy and concluded that treatment of atypical hyperplasia and well- differentiated carcinoma of the endometrium with progestins appears to be a safe alternative to hysterectomy in women under the age of 40.11
In the 31-40 years age group, 52.3% had normal cyclical endometrium, 34.6% had endometrial hyperplasia without atypia & 1.5% had atypical endometrial hyperplasia. Organic causes were found in 10% of cases, which is the maximum, as compared to other age groups.
(100,295,296) Specific features of endometrioid endometrial adenocarcinoma are also helpful: (1) tumor centered in the uterine corpus; (2) coexisting atypical endometrial hyperplasia; (3) occasional ciliated cells; (4) benign squamous elements; and (5) stromal foamy histiocytes.
Between 1996 and 2009, the scientists enrolled 20 women with atypical endometrial hyperplasia and 14 women with early and well-defined endometrial cancer.
1993) with a diameter exceeding 3 cm for which preoperative treatment with GnRH agonists is indicated (Romer 1998); (2) the use hormonal therapies in the previous 6 months (including the drugs of the study); (3) atypical endometrial hyperplasia (at biopsy); (4) uterine and/or concomitant adnexal pathologies (including malignancy); (5) cardiovascular, hepatic, or renal impairment; and (6) any medical condition that might be worsened by the treatment.
Expression of the retinoblastoma-related gene Rb2/p130 is down-regulated in atypical endometrial hyperplasia and adenocarcinoma.
Treatment of nonatypical and atypical endometrial hyperplasia with a levonorgestrel-releasing intrauterine system.
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