Chapter 23 Alterations of the Reproductive Systems Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. Overview Delayed sexual development Suboptimal sexual performance Structural and functional abnormalities Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 2 Alterations of Sexual Maturation Delayed puberty Secondary sex characteristics have not appeared in girls by age 13 • Breast development age decreasing Secondary sex characteristics have not appeared in boys by age 14 95% of cases are physiologic (hormonal- or hypothalamic-pituitary-gonadal axis delay) 5% are caused by some type of disruption of the hypothalamic-pituitary-gonadal axis Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 3 Alterations of Sexual Maturation Precocious puberty (rare) Sexual maturation before age 6 in black girls and age 7 in white girls Sexual maturation before age 9 in boys Forms • Isosexual precocious puberty • Heterosexual precocious puberty • Incomplete precocious puberty Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 4 Precocious Puberty Central (GnRH dependent) Hypothalamic-pituitary-gonadal axis is working normally but prematurely Failure of central inhibition of the GnRH Peripheral (GnRH independent) Sex hormones produced by mechanism other than stimulation by the gonadotropins Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 5 Disorders of the Female Reproductive System Hormonal and menstrual alterations Primary dysmenorrhea 50%–90% of young women • Painful menstruation associated with prostaglandin release in ovulatory cycles • Related to duration and amount of menstrual flow Secondary dysmenorrhea • Painful menstruation related to pelvic pathology • Can occur at any time in the menstrual cycle Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 6 Hormonal and Menstrual Alterations Primary amenorrhea Failure of menarche and the absence of menstruation by age 14 years without the development of secondary sex characteristics or by age 16 years regardless of the presence of secondary sex characteristics Secondary amenorrhea Absence of menstruation for a time equivalent to three or more cycles or 6 months in women who have previously menstruated Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 7 Hormonal and Menstrual Alterations Secondary amenorrhea Causes • Pregnancy • Dramatic weight loss • Malnutrition or excessive exercise • Hypothyroidism • Polycystic ovary syndrome • Common during early adolescence, perimenopause, pregnancy, and lactation Anovulation Hyperprolactinemia Clinical manifestations • Infertility, vasomotor flushes, vaginal atrophy, acne, osteopenia, hirsutism Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 8 Hormonal and Menstrual Alterations Abnormal uterine bleeding Menstrual irregularity • Anovulatory cycles • Other: tumors, polyps, cysts Dysfunctional uterine bleeding • Heavy or irregular bleeding without disease Perimenopause Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 9 Hormonal and Menstrual Alterations Polycystic ovary syndrome Oligo-ovulation or anovulation Elevated levels of androgens or clinical signs of hyperandrogenism and polycystic ovaries Leading cause of infertility in United States Multifactorial • Hyperinsulinism Dysfunction of follicle development Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 10 Hormonal and Menstrual Alterations Premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) Cyclic physical, psychologic, or behavioral changes that impair interpersonal relationships or interfere with usual activities Occurs in the luteal (postovulatory) phase Abnormal nervous, immunologic, vascular, and GI tissue response to the normal menstrual cycle (>200 symptoms) Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 11 Infection and Inflammation Pelvic inflammatory disease (PID) Acute inflammation caused by infection May involve any organ of reproductive tract • Salpingitis • Oophoritis Sexually transmitted diseases migrate from the vagina to the upper genital tract Polymicrobial infection • Microbes ascend from infected cervix to endometrial tissue; infect uterus and adnexae Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 12 Pelvic Inflammatory Disease (PID) Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 13 Infection and Inflammation Vaginitis Infection of the vagina Sexually transmitted pathogens and Candida albicans Acidic nature of vagina provides some protection • Maintained by cervical secretions, normal flora Cervicitis Inflammation or infection of the cervix Mucopurulent cervicitis (MPC) Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 14 Infection and Inflammation Vulvitis Inflammation of the female external genitalia Causes • Contact with soaps, detergents, lotions, hygienic sprays, shaving, menstrual pads, perfumed toilet paper, or nonabsorbing or tight-fitting clothing • Vaginal infections that spread to the labia Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 15 Infection and Inflammation Bartholinitis Inflammation of one or both ducts that lead from the vaginal opening to Bartholin glands Caused by microorganisms that infect the lower female reproductive tract Inflammation narrows the distal portion of the ducts Leads to obstruction and stasis of glandular secretions Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 16 Pelvic Organ Prolapse The bladder, urethra, and rectum are supported by the endopelvic fascia and perineal muscles The muscular and fascia tissue loses tone and strength with aging Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 17 Pelvic Organ Prolapse Uterine prolapse Cystocele and rectocele Vaginal prolapse Urethrocele Cystourethrocele Enterocele Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 18 Pelvic Organ Prolapse Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 19 Benign Growths and Proliferative Conditions Benign ovarian cysts (common) Unilateral Produced when a follicle or number of follicles are stimulated but no dominant follicle develops and reaches maturity Follicular cysts Corpus luteum cysts Dermoid cysts Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 20 Benign Growths and Proliferative Conditions Endometrial polyps Benign mass of endometrial tissue Common cause of intermenstrual or excessive menstrual bleeding Malignancy is rare Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 21 Benign Growths and Proliferative Conditions Leiomyomas Commonly called uterine fibroids Benign tumors of smooth muscle cells in the myometrium Cause abnormal uterine bleeding, pain, and symptoms related to pressure on nearby structures Adenomyosis Islands of endometrial glands surrounded by benign endometrial stroma within the myometrium Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 22 Leiomyomas Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 23 Benign Growths and Proliferative Conditions Endometriosis Functioning endometrial tissue or implants outside the uterus Responds to hormone fluctuations of the menstrual cycle Possible causes • Retrograde menstruation, spread through vascular or lymphatic systems, stimulation of multipotential epithelial cells on reproductive organs, or depressed Tc cells tolerate ectopic tissue Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 24 Endometriosis Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 25 Female Reproductive Cancer Cervical cancer Cervical dysplasia Cervical carcinoma in situ • Generally a precursor of invasive carcinoma of the cervix Invasive carcinoma of the cervix Almost exclusively caused by cervical human papillomavirus (HPV) infection With early detection and treatment, prognosis is excellent Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 26 Cervical Cancer Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 27 Female Reproductive Cancer Vaginal cancer Vulvar cancer Endometrial cancer Uterine sarcoma Ovarian cancer Frequently diagnosed after metastases have occurred Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 28 Sexual Dysfunction Disorders of desire (inhibited sexual desire, decreased libido) Vaginismus Anorgasmia (orgasmic dysfunction) Rapid orgasm Dyspareunia (painful intercourse) Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 29 Impaired Fertility Infertility Inability to conceive after 1 year of unprotected intercourse with same partner Fertility can be impaired by factors in the man, woman, or both Fertility tests • Structural • Hormonal Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 30 Disorders of the Male Reproductive System Disorders of the urethra Urethritis • Inflammation of the urethra usually but not always caused by a STD • Nonsexual origins can be due to urologic procedures, insertion of foreign objects, anatomic abnormalities, or trauma Urethral strictures • Fibrotic narrowing of urethra caused by scarring • Commonly due to trauma or untreated or severe urethral infections Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 31 Disorders of the Male Reproductive System Disorders of the penis Penile foreskin (prepuce) is “too tight” Phimosis • Inability to retract foreskin from the glans of the penis (distal to proximal) Paraphimosis • Inability to replace or cover the glans with the foreskin (proximal to distal) Frequently caused by poor hygiene or chronic infections Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 32 Disorders of the Male Reproductive System Disorders of the penis Peyronie disease • “Bent nail” syndrome • Slow development of fibrous plaques (thickening) in the erectile tissue of the corpus cavernosa, causing lateral curvature of penis during erection • Occurs in middle-aged men and causes painful erections and intercourse Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 33 Disorders of the Male Reproductive System Disorders of the penis Priapism • Condition of prolonged penile erection Balanitis • Inflammation of the glans penis • Usually associated with foreskin inflammation (posthitis) Accumulation under the foreskin (smegma) causes irritation of the glans Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 34 Disorders of the Male Reproductive System Disorders of the penis Penile cancer • Carcinoma of the penis is rare • Mostly squamous cell carcinomas • HPV, smoking • Often diagnosed in men older than age 55 Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 35 Disorders of the Scrotum, Testis, and Epididymis Disorders of the scrotum Varicocele • Inflammation/dilation of veins in spermatic cord • Cause: inadequate or absent valves in the spermatic veins Hydrocele • Scrotal swelling due to collection of fluid within the tunica vaginalis • Imbalance between fluid secretion and reabsorption Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 36 Disorders of the Scrotum, Testis, and Epididymis Disorders of the scrotum Spermatocele • Painless diverticulum of the epididymis located between head of the epididymis and the testis • Contains milky fluid that contains sperm and does not cover the entire anterior scrotal surface Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 37 Disorders of the Scrotum Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 38 Disorders of the Scrotum, Testis, and Epididymis Disorders of the testis Cryptorchidism • Failure of one or more of the testes to descend from the abdominal cavity into the scrotum Ectopic testis • Testis that has strayed from the normal pathway of descent Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 39 Disorders of the Scrotum, Testis, and Epididymis Disorders of the testis Torsion of the testis • Rotation of the testis • The rotation causes the twisting of the blood vessels in the spermatic cord • Painful and swollen testis • Condition may be spontaneous or follow physical exertion or trauma Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 40 Disorders of the Scrotum, Testis, and Epididymis Disorders of the testis Orchitis • Acute inflammation of the testis • Complication of a systemic disease or related to epididymitis Cancer of the testis • Among the most curable of cancers • Common in men between ages 15 and 35 • Causes painless testicular enlargement Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 41 Disorders of the Scrotum, Testis, and Epididymis Disorders of the epididymis Epididymitis • Inflammation of the epididymis • Common in sexually active young men • The pathogenic microorganism reaches the epididymis by ascending the vas deferens from an already infected bladder or urethra Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 42 Disorders of the Prostate Gland Benign prostatic hyperplasia Enlargement of the prostate gland Symptoms associated with urethral compression Relationship to aging Evaluation • Digital rectal exams • Prostate-specific antigen (PSA) monitoring Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 43 Disorders of the Prostate Gland Prostatitis Inflammation of the prostate Normal protective barriers • Urethral length, micturition, and ejaculation Similar symptoms to BPH • Acute bacterial • Chronic bacterial • Nonbacterial Prostatodynia Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 44 Disorders of the Prostate Gland Cancer of the prostate 95% of prostate neoplasms are adenocarcinomas and demonstrate peripheral zone growth Prostatic cancer is asymptomatic until its advanced stages Symptoms are similar to BPH Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 45 Disorders of the Prostate Gland Cancer of the prostate Dietary factors Hormones • Male equivalent of the female uterus Vasectomy Familial factors Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 46 Male Sexual Dysfunction Vascular, endocrine, and neurologic disorders Chronic diseases Renal failure and diabetes mellitus Penile diseases and penile trauma Iatrogenic factors Surgery and pharmaceuticals Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 47 Impairment of Sperm Production and Quality Hormone and growth factors FSH, LH, and testosterone Androgen-binding protein, inhibin B, other peptides Adequate spermatogonia Sperm count >20 million/ml Sperm motility Antisperm antibodies Drugs and toxins in the semen Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 48 Disorders of the Breast Galactorrhea Persistent and sometimes excessive secretion of milky fluid from the breasts of a woman who is not pregnant or nursing Galactorrhea can also occur in men Nonpuerperal hyperprolactinemia Women with galactorrhea also experience menstrual abnormalities Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 49 Benign Breast Lesions Nonproliferative breast lesions Fibrocystic changes Proliferative breast lesions without atypia Epithelial hyperplasia Florid hyperplasia Sclerosing adenosis Complex sclerosing lesion Papillomas Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 50 Benign Breast Lesions Proliferative breast lesions with atypia Atypical hyperplasia Ductal hyperplasia Lobar hyperplasia Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 51 Breast Cancer Most common cancer in American women Leading cause of death from ages 40 to 44 Second most common killer after lung cancer Ductal carcinoma in situ Controversy on whether lesions progress to infiltrative malignancy Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 52 Breast Cancer Reproductive factors Hormonal factors Environmental factors and lifestyle Radiation Diet Chemicals Physical activity Familial factors and tumor-related genes Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 53 Disorders of the Male Breast Gynecomastia Overdevelopment of the breast tissue in a man Results from hormone alterations • Idiopathic and system disorders, drugs, or neoplasms Male breast cancer Most commonly seen after age 60 Tumors resemble carcinomas of the breast in women Crusting and nipple discharge are common clinical manifestations Mosby items and derived items © 2010, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. 54