Netter's Obstetrics and Gynecology

Endometrial Polyps

Introduction Description: Endometrial polyps are fleshy tumors that arise as local overgrowths of the endometrial glands and stroma and project beyond the surface of the endometrium. They are most common in the fundus of the uterus but may occur anywhere…

Endometrial Cancer

Introduction Description: Endometrial cancer is characterized by malignant changes of the endometrial tissues. These are generally of the adenocarcinoma (endometrioid, also called type 1 tumors, 80%), adenosquamous, clear cell, or papillary serous cell types. Prevalence: 2%–3% lifetime risk. The most…

Dysfunctional (Abnormal) Uterine Bleeding

Introduction Description: Dysfunctional (abnormal) uterine bleeding is irregular or is intermenstrual bleeding with no clinically identifiable underlying cause. The bleeding may be abnormal in schedule, duration, or quantity. Prevalence: 10%–35% of all gynecologic visits involve menstrual disturbances. Predominant Age: Reproductive…

Asherman Syndrome (Uterine Synechia)

Introduction Description: Asherman syndrome is characterized by the scarring or occlusion of the uterine cavity after curettage, especially when performed after septic abortion or in the immediate postpartum period. Although the same changes occur following therapeutic endometrial ablation, the term…

Adenomyosis

Introduction Description: Adenomyosis is characterized by islands of endometrial glands and stroma found in the uterine wall (myometrium) and causing hypertrophy of the surrounding myometrium. Prevalence: 10%–35% of women; may be present in 60% of aged women 40–50 years. Predominant…

Nabothian Cysts

Introduction Description: Nabothian cysts are retention cysts of the cervix that are made up of endocervical columnar cells and that result from the closure of a gland opening, tunnel, or cleft by the process of squamous metaplasia. Prevalence: Normal feature…

Cervicitis

Introduction Description: Cervicitis is the inflammation (acute or chronic) of the endocervical glands or the ectocervix. Less commonly it can affect the squamous epithelium of the ectocervix. Prevalence: 10%–40% of women. Predominant Age: Reproductive age; highest rate in adolescents to…

Cervical Stenosis

Introduction Description: Cervical stenosis is the narrowing of the cervical canal, either congenital or acquired, which may result in complete or partial obstruction. Stenosis occurs most often in the region of the internal cervical os. Prevalence: Uncommon. Predominant Age: 30–70…

Cervical Polyps

Introduction Description: Cervical polyps are benign fleshy tumors that arise from the cells of the endocervical canal (most common) or the ectocervix. Prevalence: 4% of gynecologic patients, most common benign growth of the cervix. Predominant Age: 40s–50s (multiparous women). Ectocervical…