+ All Categories
Home > Documents > Lecture Reproductive System

Lecture Reproductive System

Date post: 14-Apr-2018
Category:
Upload: syazmin-khairuddin
View: 216 times
Download: 0 times
Share this document with a friend

of 99

Transcript
  • 7/30/2019 Lecture Reproductive System

    1/99

    Female Reproductive System

    Izuddin Fahmy Abu | March 29th, 2010

  • 7/30/2019 Lecture Reproductive System

    2/99

    Female Reproductive System

    Cervix

    Uterus

    Ovaries

    Breast

  • 7/30/2019 Lecture Reproductive System

    3/99

    1) Cervical Carcinoma

    CIN is the potentially premalignant transformation andabnormal growth (dysplasia) of squamous cells on the

    surface of the cervix.

    Almost all carcinomas arise in CIN; but not all cases of CIN

    progress to carcinoma.

    Three grades:

    CIN I: mild dysplasia CIN II: moderate dysplasia

    CIN III: severe dysplasia

    The higher the grade, the more likely the lesion will progress

    to carcinoma.

    Cervical intraepithelial neoplasia (CIN)

  • 7/30/2019 Lecture Reproductive System

    4/99

    Cervical Carcinoma

    Persistent infection with high-risk HPV

    integrate into genome, inactivate p53, RB Early age at first intercourse

    Multiple sexual partners

    A male partner with multiple previous partners

    Smoking

    Immunodeficiency

    Risk Factors

  • 7/30/2019 Lecture Reproductive System

    5/99

  • 7/30/2019 Lecture Reproductive System

    6/99

    Spectrum of cervical intraepithelial neoplasia (CIN)

  • 7/30/2019 Lecture Reproductive System

    7/99Normal (left) turning into CIN (right)

  • 7/30/2019 Lecture Reproductive System

    8/99

  • 7/30/2019 Lecture Reproductive System

    9/99

    Cytology of CIN (Pap smear)

    normal CIN I CIN II CIN III

  • 7/30/2019 Lecture Reproductive System

    10/99

    Cytology of CIN (Pap smear)

    normal CIN I CIN II CIN III

    Low-grade dysplasia High-gradedysplasia

  • 7/30/2019 Lecture Reproductive System

    11/99

    Cervical Carcinoma

    Most cases are squamous, arising from CIN

    Peak age: 45 (10-15 years after CIN develops!)

    Spreads slowly

    Mortality is related to stage:

    stage 0 (preinvasive): 100% 5 year survival

    stage 4: 10% 5 year survival

    Invasive cervical carcinoma

  • 7/30/2019 Lecture Reproductive System

    12/99Cervical carcinoma

  • 7/30/2019 Lecture Reproductive System

    13/99Cervical carcinoma

  • 7/30/2019 Lecture Reproductive System

    14/99

    2) Endometriosis

    A medical condition in which endometrial like cells

    appear and flourish in areas outside the uterine cavity.

    These endometrial-like cells in areas outside the uterus

    are influenced by hormonal changes and respondsimilarly as do those cells found inside the uterus.

    Endometrium undergoes cyclic bleeding

    Causes scarring, pain, sometimes sterility.

    How does endometrium get out?

  • 7/30/2019 Lecture Reproductive System

    15/99

  • 7/30/2019 Lecture Reproductive System

    16/99

    Endometriosis in ovary (chocolate cyst)

  • 7/30/2019 Lecture Reproductive System

    17/99

    Endometrial Hyperplasia

    Proliferation of endometrium due to estrogen excess

    Risk factors: anovulatory cycles, obesity, estrogen-

    producing ovarian tumors, exogenous hormone use

    Three categories: simple, complex, and atypical

    The more severe the hyperplasia, the greater the

    chance that it will evolve into carcinoma

  • 7/30/2019 Lecture Reproductive System

    18/99

    Normal endometrium

  • 7/30/2019 Lecture Reproductive System

    19/99

    Endometrial hyperplasia

    Simple Complex Atypical

  • 7/30/2019 Lecture Reproductive System

    20/99

    3) Uterine Tumors

    Fibroid

    Benign tumor of smooth muscle

    Common!

    Stimulated by estrogen

    Menorrhagia, metrorrhagia, or asymptomatic

    Leiomyoma

  • 7/30/2019 Lecture Reproductive System

    21/99

    Uterine Tumors

    Malignant tumor of smooth muscle

    Necrotic, with atypical cells and lots of mitoses

    Often recur after surgery

    Many metastasize, especially to lungs

    5 year survival = 40%

    Leiomyosarcoma

  • 7/30/2019 Lecture Reproductive System

    22/99

    Leiomyoma Leiomyosarcoma

  • 7/30/2019 Lecture Reproductive System

    23/99

    Leiomyoma Leiomyosarcoma

  • 7/30/2019 Lecture Reproductive System

    24/99

    Uterine Tumors

    Peak age: 55-65 (not before 40)

    Frequently arises in endometrial hyperplasia

    Risk factors: obesity, nulliparity, estrogen replacement

    Symptoms: leukorrhea, irregular bleeding

    Metastasizes late

    Endometrial carcinoma

  • 7/30/2019 Lecture Reproductive System

    25/99

    Endometrial adenocarcinoma

  • 7/30/2019 Lecture Reproductive System

    26/99

    4) Benign Ovarian Tumors

    Benign tumor derived from surface epithelium Repeated ovulation, scarring, infolding of

    epithelium leads to cysts, which can undergo

    neoplastic transformation

    Typically large

    Cystadenoma

  • 7/30/2019 Lecture Reproductive System

    27/99

    Patient with ovarian cystadenoma

  • 7/30/2019 Lecture Reproductive System

    28/99

    Ovarian cystadenoma

  • 7/30/2019 Lecture Reproductive System

    29/99

    Ovarian cystadenoma

  • 7/30/2019 Lecture Reproductive System

    30/99

    Benign Ovarian Tumors

    Benign tumor with differentiation along all three

    germ cell layers (ectoderm, endoderm, mesoderm)

    Usually cystic, with skin inside (dermoid cyst)

    Contain sebaceous material, hair, teeth, bone

    Malignant variant has immature tissues

    Teratoma

  • 7/30/2019 Lecture Reproductive System

    31/99

    Teratoma

  • 7/30/2019 Lecture Reproductive System

    32/99

    Teratoma

  • 7/30/2019 Lecture Reproductive System

    33/99

    5) Ovarian Cancer

    23,000 new cases / 15,000 deaths in 2007

    5th most deadly cancer in women

    Danger: produces no signs until advanced

    Peak age: 50

    Symptoms:

    feeling of fullness or bloating

    pelvic pain back pain

    abnormal menses

    Treatment: surgery, radiation, chemotherapy

    cystadenocarcinomas

  • 7/30/2019 Lecture Reproductive System

    34/99

    Papillary cystadenocarcinoma

  • 7/30/2019 Lecture Reproductive System

    35/99

    Papillary cystadenocarcinoma

  • 7/30/2019 Lecture Reproductive System

    36/99

    Breast

    Many breast diseases present as lumps

    Most lumps represent benign things, howeverit still needs to be evaluated

    Ultrasound, mammography, fine needleaspiration, and biopsy are the usual methods

  • 7/30/2019 Lecture Reproductive System

    37/99

    Most breast lumps are benign

  • 7/30/2019 Lecture Reproductive System

    38/99

    6) Fibroadenoma Breast Tumor

    Most common benign breast tumor

    Stimulated by estrogen

    Peak incidence 20s

    Solitary, discrete, moveable mass

    Fibrous tissue with compressed ducts and lobules

  • 7/30/2019 Lecture Reproductive System

    39/99

    Fibroadenoma

  • 7/30/2019 Lecture Reproductive System

    40/99

    Fibroadenoma

  • 7/30/2019 Lecture Reproductive System

    41/99

    7) Breast Carcinoma

    180,00 new cases / 40,000 deaths in 2007

    Second most common type of cancer

    75% of patients are >50

    Rate was increasing but now stable

    Risk Factors

    Age

    Family History

    Increased estrogen exposure

    Obesity

    Alcohol consumption

    High-fat diet

  • 7/30/2019 Lecture Reproductive System

    42/99

    Breast Carcinoma

    5-10% of all cases are hereditary

    Worry if first degree relative with breast cancer Most have BRCA-1 or BRCA-2 mutations

    Tumor suppressor genes; help repair DNA

    Most carriers get cancer by age 70

    Family History

  • 7/30/2019 Lecture Reproductive System

    43/99

  • 7/30/2019 Lecture Reproductive System

    44/99

    Size of typical palpable breast lump

  • 7/30/2019 Lecture Reproductive System

    45/99

    Advanced breast carcinoma: fixation to skin

    C

  • 7/30/2019 Lecture Reproductive System

    46/99

    Breast Carcinoma

    Neoplastic cells fill ducts (DCIS) or lobules (LCIS) but donot breach basement membrane

    Incidence has increased with mammography

    If untreated, over 1/3 will develop invasive carcinoma

    With treatment, prognosis is excellent

    Non-Invasive Breast Carcinoma

    Ductal (or not otherwise specified) carcinoma, lobular

    carcinoma

    Inflammatory carcinoma - breast looking red and swollen.Often does not present with a lump, often not detected by

    mammography or ultrasound.

    Invasive Breast Carcinoma

  • 7/30/2019 Lecture Reproductive System

    47/99

    Normal breast

  • 7/30/2019 Lecture Reproductive System

    48/99

    Lobular carcinoma in situ

  • 7/30/2019 Lecture Reproductive System

    49/99

    Invasive breast carcinoma

  • 7/30/2019 Lecture Reproductive System

    50/99

    Invasive ductal breast carcinoma low grade

  • 7/30/2019 Lecture Reproductive System

    51/99

    Invasive ductal breast carcinoma high grade

  • 7/30/2019 Lecture Reproductive System

    52/99

    Inflammatory breast carcinoma

  • 7/30/2019 Lecture Reproductive System

    53/99

    Inflammatory breast carcinoma

  • 7/30/2019 Lecture Reproductive System

    54/99

    Breast Carcinoma

    Size of tumor

    Lymph node involvement

    Distant metastases

    Grade of tumor

    Histologic type of tumor

    Prognostic Factors

  • 7/30/2019 Lecture Reproductive System

    55/99

    Male Reproductive SystemIzuddin Fahmy Abu | March 29th, 2010

  • 7/30/2019 Lecture Reproductive System

    56/99

    Male Reproductive System

    Testis

    Prostate

    Sexually transmitted diseases

  • 7/30/2019 Lecture Reproductive System

    57/99

    1) Testis: Cryptorchidism

    Incomplete testicular descent into scrotum

    Present in 3% of newborns; most descend by 6

    months.

    Associated with sterility and malignancy

    Orchiopexy - move an undescended testicle

    into the scrotum and permanently fix it there

  • 7/30/2019 Lecture Reproductive System

    58/99

  • 7/30/2019 Lecture Reproductive System

    59/99

    2) Testis: Neoplasms

    The most common cancer in men aged 15-35

    5 cases per 100,00 males

    Firm, painless enlargement of the testis

    Seminomas and non-seminomas

    Some present with metastases Treatable curable! - if detected early

  • 7/30/2019 Lecture Reproductive System

    60/99

    Testis: Neoplasms

    Small, painless lump

    Enlarged testicle

    Feeling of heaviness intesticle or groin

    Change in the way thetesticle feels

    Accumulation of fluid

    Testicular self-examination

  • 7/30/2019 Lecture Reproductive System

    61/99

    Testis: Neoplasms

  • 7/30/2019 Lecture Reproductive System

    62/99

    Testis: Neoplasms

    Half of all testicular cancers

    Seminomas develop from the sperm-producing germ cellsof the testicle.

    Arise from germinal epithelium of seminiferous tubules

    Tumor classification - i) Seminoma

  • 7/30/2019 Lecture Reproductive System

    63/99

    Seminoma

  • 7/30/2019 Lecture Reproductive System

    64/99

    Testis: Neoplasms

    A group of testicular cancers that begin in the germcells (cells that give rise to sperm)

    Embryonal tumor (undifferentiated stem cells)

    Yolk sac tumor (yolk sac cells) Choriocarcinoma (immature placental cells)

    Teratoma (somatic tissue cells)

    ii) Nonseminomas

    Tumor classification

  • 7/30/2019 Lecture Reproductive System

    65/99

    Embryonal carcinoma

  • 7/30/2019 Lecture Reproductive System

    66/99

    Embryonal carcinoma

  • 7/30/2019 Lecture Reproductive System

    67/99

    Choriocarcinoma

  • 7/30/2019 Lecture Reproductive System

    68/99

    Teratoma

  • 7/30/2019 Lecture Reproductive System

    69/99

    Teratoma

  • 7/30/2019 Lecture Reproductive System

    70/99

    Testis: Neoplasms

    Important for staging and follow-up.

    Human chorionic gonadotropin (hCG) Normally made by placental cells

    in choriocarcinoma; sometimes in seminoma

    Alpha-fetoprotein (AFP)

    Normally made by fetal yolk sac and other cells in yolk sac tumors and embryonal carcinoma

    Tumor markers

  • 7/30/2019 Lecture Reproductive System

    71/99

    Testis: Neoplasms

    Overall, prognosis is good If detected early, 90% cure rate

    8000 new cases a year, only 400 deaths.

    Seminomas Often remain localized until large Metastasize locally first, then later, distantly

    VERY sensitive to radiation and chemotherapy Nonseminomas

    Metastasize earlier, farther Worse prognosis

    Treatment

  • 7/30/2019 Lecture Reproductive System

    72/99

  • 7/30/2019 Lecture Reproductive System

    73/99

    Testis: Neoplasms

    At age 25 (in 1996), diagnosed with aggressive

    testicular cancer Already metastatic to brain, abdomen, lungs

    Treated with surgery, chemotherapy

    Victories in 1999-2005 Tours de France!

    Lance Armstrong

  • 7/30/2019 Lecture Reproductive System

    74/99

    Prostate

  • 7/30/2019 Lecture Reproductive System

    75/99

    4) Prostate: Nodular Hyperplasia

    Very common! 90% of men have it by their 70s.

    Caused by excessive androgens

    Benign proliferation of glands and stroma Large

    prostate

    Usually affects central zone of the prostate

    Symptoms (in 10% of patients): hesitancy, urgency,nocturia, poor urinary stream.

    Symptoms of urinary obstruction

    Cause: excessive androgen stimulation

  • 7/30/2019 Lecture Reproductive System

    76/99

    Nodular hyperplasia

  • 7/30/2019 Lecture Reproductive System

    77/99

    Nodular hyperplasia

  • 7/30/2019 Lecture Reproductive System

    78/99

    5) Prostate: Carcinoma

    Common, deadly cancer

    Early on asymptomatic, detected by PSA test

    Later: hard nodule by rectal exam

    Much later: local pain and obstructive symptoms

    Develops in peripheral zones of prostate

    Peak incidence: 65-75

    Treatment, prognosis depend on stage, grade

    Some come to attention because of metastases

  • 7/30/2019 Lecture Reproductive System

    79/99

    Prostatic carcinoma

  • 7/30/2019 Lecture Reproductive System

    80/99

    Prostatic carcinoma

  • 7/30/2019 Lecture Reproductive System

    81/99

    Prostatic carcinoma

  • 7/30/2019 Lecture Reproductive System

    82/99

    Prostatic carcinoma

  • 7/30/2019 Lecture Reproductive System

    83/99

    Prostate: Carcinoma

    Enzyme made by prostatic epithelial cells

    Malignant cells make more PSA than benign cells Used as a screening and monitoring test

    PSA 10 suggests cancer

    But PSA can go up in benign disorders too (nodularhyperplasia, prostatitis)!

    So: elevated PSA doesnt always mean cancer.

    Prostate-specific antigen (PSA)

  • 7/30/2019 Lecture Reproductive System

    84/99

    Prostate: Carcinoma

    Hormonal influences males castrated before puberty dont get it

    treatment with orchiectomy/estrogens works

    Genetic contributions increased risk in first-degree relatives earlier onset in blacks

    Environmental influences in Scandinavian countries, in Asia

    Cause

  • 7/30/2019 Lecture Reproductive System

    85/99

    Prostate: Carcinoma

    Prognosis depends on stage (and grade)

    Treatment: surgery, radiation, hormonal therapy

    Limited disease: 90% survive 10+ years

    Metastatic disease: 10-40% survive 10+ years

    Prognosis

  • 7/30/2019 Lecture Reproductive System

    86/99

    STDs

    15 million cases per year worldwide

    Most in 15-24 year olds

    5 of the top 10 infectious diseasesrequiring notification are STDs: chlamydia,

    gonorrhea, AIDS, syphilis, hepatitis B

  • 7/30/2019 Lecture Reproductive System

    87/99

    1) Syphilis

    Caused by Treponema pallidum

    33,000 cases/year

    Primary: painless chancre (ulceration)

    Secondary: rash, lymphadenopathy

    Tertiary: proximal aortitis, brain lesions

  • 7/30/2019 Lecture Reproductive System

    88/99

    Syphilitic plaques

  • 7/30/2019 Lecture Reproductive System

    89/99

    Syphilitic ulceration

  • 7/30/2019 Lecture Reproductive System

    90/99

    Syphilitic chancre

  • 7/30/2019 Lecture Reproductive System

    91/99

    Syphilitic rash

  • 7/30/2019 Lecture Reproductive System

    92/99

    Condylomata lata (rash becomes flat,

    broad, whitish lesions)

  • 7/30/2019 Lecture Reproductive System

    93/99

    2) Gonorrhea

    Caused by Neisseria gonorrhoeae

    300,000 cases/year

    Males: severe, purulent urethritis (can spreadto prostate, testis)

    Females: cervicitis (can spread to tubes,ovaries)

    Can be transmitted during birth

  • 7/30/2019 Lecture Reproductive System

    94/99

    Gonorrhea

  • 7/30/2019 Lecture Reproductive System

    95/99

    3) Non-Gonococcal Urethritis and Cervicitis

    Caused by Chlamydia (mostly) and other bugs

    Chlamydia: 900,000 cases/year

    Symptoms indistinguishable from gonorrhea

    Reiter syndrome

    Occurs mostly in people who are HLA-B27 +

    Urethritis, arthritis, conjunctivitis,mucocutaneous lesions

  • 7/30/2019 Lecture Reproductive System

    96/99

    4) Genital Herpes Simplex

    50 million affected people in US

    Most cases caused by HSV-2 (HSV-1 more oral)

    Painful, erythematous vesicles on genital

    skin/mucosa

    Primary: lesions plus lymphadenopathy, fever

    Recurrences: milder, shorter

    May be fatal in immunocompromised patients andin neonates

  • 7/30/2019 Lecture Reproductive System

    97/99

    5) Human Papillomavirus

    Causes squamous proliferations in genital tract:

    condylomata acuminata (venereal warts)

    precancerous lesions

    carcinomas

    Condylomata: HPV 6, 11

    Carcinomas: HPV 16, 18, others

  • 7/30/2019 Lecture Reproductive System

    98/99

    Condylomata acuminata (small rough tumor)

    Thank You

  • 7/30/2019 Lecture Reproductive System

    99/99

    Thank You

    Now go home & do your self examination!!


Recommended