Vulva - Condyloma Accuminata
Gross: Verrucous lesion (papillary, wart-like), solitary or
multiple, white plaques
Histo: Koilocytosis, lg. hyperchromatic nuclei, halo/clearing
around nucleus, rasinoid nucleus (irregular outline, like a
raisin); see the same histology from the same virus (low
grade HPV) in different locations (vaginal intraepithelial
lesion 1 and cervical intraepithelial lesion 1)
Lecture: Caused by low risk HPV (6 & 11),
sexually transmitted, may disappear, persist or
recur.
Vagina – Clear Cell Carcinoma
Gross: On anterior wall of vagina
Histo: Abundant clear cytoplasm due
to increased glycogen; the spaces btw.
cells are dilated glands
Lecture: Adenocarcinoma in young
women whose mothers were **treated
with DES during pregnancy** Tx by
surgery or radiation. Clear cell
carcinoma may be seen in other parts
of the body, but those are not assoc.
w/ DES.
Vagina - Embryonal Rhabdomyosarcoma
Gross: grape-like
structures
Histo: Cambium layer w/
fibromyxomatous and
edematous stroma with
inflammatory cells.
Cambium layer = The
inner osteogenic layer of
1
the periosteum, a highly cellular zone immediately beneath the epithelium covering a
botryoid sarcoma.
Lecture: Uncommon; tx w/ surgery and chemo
Cervix
Histo: Normal Cervix – top 1/3 is superficial/mature layer;
non-keratizing, stratified squamous epithelium
Lecture: HPV!! Do Pap smear (screening, not diagnostic) at
squamous/columnar junction. Low risk HPV types 6 and 11
condyloma, vaginal and cervical intraepithelial lesion 1.
High risk HPV types 16 and 18 CIN (cervical
intraepithelial neoplasia) II and III. If get an abnormal Pap,
need to do a biopsy to make the dx. Dx as low or high grade
CIN, not as LSIL or HSIL.
Cervix – Low grade squamous intraepithelial lesion (LSIL)
LSIL = CIN I (cerv intraepi neoplasia I) Normal squamous cell
Histo: Koilocytosis (cells have halo – sm., pyknotic nuclei,
nuclei). Cells affected in top 1/3 layer. abudent cytoplasm
Raisinoid nucleus.
Lecture: Caused by low risk HPV 6 & 11.
Tx – wait & watch, Raisinoid Nucleus
cryotherapy,
All found in
most will top 1/3 Halo
regress on
their own in 2-3 yrs.
2
Cervix – High grade squamous
intraepithelial lesion (HSIL)
HSIL = CIN II and III Normal squamous cell
Histo: Irregular, large, dark nuclei.
Mitotic figures in whole epithelium.
Lecture: From high risk HPV 16. CIN III
may progress to invasive carcinoma. Tx
w/ Leep or cold knife cone (after biopsy
and CIN III
dx).
In situ – hasn’t
broken thru BM
Squamous Cell Carcinoma
Microinvasive – early stromal invasion < 5mm
Gross: fungating (a CA growing under the skin
breaks through to create an open wound),
exophytic (tendency to grow outward),
ulcerating mass
Histo: In top slide, frank invasion –
nests of dysplastic/malignant cells
surrounded by stroma. In bottom slide,
nest of malignant cells inciting
lymphatic response.
Lecture: Direct spread to urinary
bladder, peritoneum, ureters, rectum
and vagina. From high risk HPV.
Degree of invasion (stage) important for
prognosis. Treatment for invasive is
radiation/chemotherapy, surgical.
3
Uterus – Endometrial Cycle
Proliferative Phase
Lecture: Estrogen at this phase!
Histo: Tubular glands – pseudostratified columnar epithelium. Lots of space between
the glands – not crowded. Lot of mitotic activity in
the glands and stroma. Mitotic figures not abnormal
b/c it’s proliferating.
Secretory Phase
Lecture: Progesterone at this phase! Early and late parts of this phase.
Histo: Secretory vacuoles and exhaustion. Prominent spiral arterioles. Serrated glands.
Secretion in gland lumens.
Clear space under nucleus is
a vacuole of secretion
Menstrual Phase
Lecture: Disintegration of
functionalis
Histo: Blood and inflammatory
cells in stroma
4
Abnormal Uterine Bleeding due to an Organic Lesion – Endometrial Polyp
Lecture: Benign,
assoc. w/ Posterior
Endometrium
administration of
Tamoxifen,
chromosome 6p21 Bisected
rearrangements endometrium
Gross: Single or
multiple
Polyp
Abnormal Uterine Bleeding due to an Organic Lesion – Leiomyoma (Fibroid)
Lecture: Benign, highly frequent. Pathogenesis: smooth muscle layer pushes against
endometrial layer atrophies endometrial layer bleeding
Endometrial layer
Also see in
myometrium
section
Abnormal Uterine Bleeding due to Infection – Chronic Endometritis
Chronic inflammation of the endometrium
Lecture: Commonly due to PID, TB, Chlamydia, or retained gestational tissue
following a birth or abortion.
Histo: Plasma cells in stroma (as
opposed to the microabscesses and
neutrophils w/in the glands of
acute endometritis). Plasma cells:
abundant cytoplasm, clearing
adjacent to nucleus, clockface
nuclei.
5
Abnormal Uterine Bleeding due to an Organic Lesion – Simple Endometrial
Hyperplasia (“cystic hyperplasia” or
“cystic atrophy”)
Lecture: prolonged estrogen stimulation
anovulation or incr. production.
Assoc. w/ (etiologies?) menopause,
polycystic ovarian disease, granulosa cell
tumors of the ovary, estrogen tx. Due to
unopposed, increased estrogen, not
normal hormonal stimulation. Not a
precursor of carcinoma treat
conservatively.
Histo: proliferative phase glands w/
cystic dilation (wouldn’t see in normal
proliferation); glands are more crowded but not bumping into e/o.
Abnormal Uterine Bleeding due to an Organic Lesion – Complex Endometrial
Hyperplasia
Histo: increased # and
size of glands; crowded
– not respecting e/o
space; cribiform
arrangement, weaving
in and out of e/o; lots
of branching
Abnormal Uterine Bleeding due to an Organic Lesion – Atypical Hyperplasia
Lecture: Atypical is associated with cancer. Could be simple hyperplasia with atypia
or complex hyperplasia with atypia.
Endometrial Intraepithelial Neoplasia (EIN)
Lecture: Incr. risk for CA. Always proliferative – increased sensitivity to estrogen.
Assoc. w/ PTEN tumor suppressor gene inactivation glands more sensitive to
estrogen stimulation.
6
Histo: Glands always proliferative. Precancerous – crowded, hyperchromatic
Abnormal Uterine Bleeding due to an Organic Lesion – Endometrial
Adenocarcinoma (endometrioid type)
Lecture: Most common invasive CA of the female genital tract; 55-65 YO; Assoc. w/
obesity, DM, HTN, infertility. PTEN inactivation, estrogen, DES, p53 mutation.
Robbins: May be derived from transplanted endometriosis (located in another organ of
the female genital tract other than the endometrial lining); solid or cystic; CA-125 is the
marker in 80%
Cribiform, touching e/o, frank invasive adenocarcinoma
(beyond hyperplasia)
Lymphatic invasion
7
Papillary Serous Adenocarcinoma
Lecture: bad prognosis; p53 mutation
Histo: Can do a p53 stain;
On right: Papillary structure; cells look clear due
to increased glycogen
Below: hyperchromatic, irregular nuclei
Abnormal Uterine Bleeding due to an Organic Lesion – Clear Cell Adenocarcinoma
Lecture: high grade tumors, poor prognosis
Histo: Abundent clear cytoplasm
Uterus (Myometrium) – Leiomyoma (Fibroids)
Lecture: Most common tumor (75% of
women); subserosal, submucosal, or
intramural; 40% w/ chromosomal
abnormality
Gross: Well-circumscribed, firm, gray-
white tumors
Histo: Whorled pattern of smooth
muscle spindle cells
8
Uterus (Myometrium) – Leiomyosarcoma
Lecture: Uncommon malignant neoplasm, pre and
postmenopausal women, recur after removal and
distant metastasis
Gross: Bulky, fleshy mass that invades the wall or a
polypoid mass that projects into the lumen
Histo: Nuclear atypia, mitotic figures, tumor cell
necrosis
Malignant Features – blue hyperchromatic,
lighter necrosis
Cells – atypical features w/ abundant mitotic figures
Endometriosis
The presence of endometrial glands or stroma in an abnormal location outside the
uterus. Commonly in ovaries, uterine ligaments, rectovaginal septum, vulva,
peritoneum, umbilicus, vagina, appendix. ENDOMETRIOSIS IS NOT CANCER.
Lecture: Symptoms are bleeding, pelvic pain, dysmennorhea, infertility. There are 3
potential explainations regarding the origin, incl. lymphatic dissemination,
regurgitation through the fallopian tubes, and extrapelvic dissemination through the
pelvic veins.
9
Gross: Chocolate cyst (endomytrioma filled with blood; happens b/c outside the uterus
the cells will still cycle and bleed into itself)
Histo: lot of macrophages (to clean up bleeding); endometrial stroma and glands
Polycystic Ovary Disease (PCOD) (Stein-Leventhal Syndrome)
Lecture: 3-6% reproductive age women (single cyst are
frequent), usu. in cortex, oligomenorrhea, anovulation,
hirsutism, obesity
Gross: multiple cystic follicles, ovaries are twice normal
size
Histo: Stromal hyperthecosis (Diffuse hyperplasia of the
theca cells of the graafian follicles); cysts filled w/ clear,
pink fluid; hypercellular stroma
10
Ovarian Tumors
Lecture: classified as benign, LMP/borderline, or malignant. Assoc. w/ nullparity,
family hx, BRCA 1&2 mutations, tumor suppressor gene p53, Her2/neu oncogene
Serous Cystadenoma
Lecture: Most common; 40-50 YO; non-
specific symptoms (pelvic and back pain);
treatment is cystectomy or unilateral
salpingo-oophorectomy (removal of fallopian
tube and ovary)
Gross: Bilateral
Histo: Cysts lined by tall columnar ciliated
epithelium (normally the epi seen in the
fallopian tubes); no mitosis, no invasion, no
hyperplasia
Mucinous Cystadenoma
Lecture: a spongy cystic tumor; less
common, middle age, assoc. w/
pseudomyxoma peritonei (peritoneal
cavity filled with this fluid)
Gross: larger tumor than serous w/
diff size cysts, filled with thick,
viscous, gelatinous fluid; mucinous
epithelium
11
Brenner Tumor (urothelial)
Lecture: uncommon
adenofibromas, mostly benign,
unilateral
Gross: solid or cystic
Histo: nests of transitional
epithelium surrounded by more
cellular stroma
Brenner tumor (solid)
Benign Cystic Teratoma
Benign Cystic Teratoma (Dermatoid Cyst)
Lecture: benign, mature germ cell tumor;
bilateral in 10-15%; young women; 1% have
malignant change – SCC (squamous cell
carcinoma), thyroid carcinoma; to dx, see tissue
from 3 layers
Ectoderm – skin, appendages, teeth
Mesoderm – CT, smooth muscle, cartilage
Endoderm – Gut, respiratory
Neuro - glail
Gross: unilocular (single compartment) cyst w/
hair, teeth, and sebaceous material
Histo: Several types of mature adult-type epithelium (skin, hair, teeth, sebaceous
glands, brain/glial/neuro, cartilage, adipose, GI)
mature brain
12
Fibroma (Thecoma)
Lecture: Meigs Syndrome is the joint presentation of the ovarian
tumor with ascites and hydrothorax); also assoc. w/ basal cell nevus
syndrome
Gross: Unilateral, solid, white/gray, well-circumscribed (resembles a
fibroid)
Histo: Forms in ovarian stroma; usu. a combination of
fibroblasts (fibromas) and lipid droplets (thecomas)
Borderline (LMP – low malignant potential) Neoplasms
Three types: Transitional, Serous, and Mucinous (serous and mucinous between
cystadenoma and carcinoma)
Borderline Serous Tumor
Histo: proliferation of serous epi but no
invasion into stroma
Lecture: cystic, surface involvement,
intracystic proliferation (contained, not
invading), epithelial stratification
Gross: papillary projections into the lumen
Epithelial Malignant Neoplasm – Serous Adenocarcinoma
Lecture: most common ovarian CA; 45-65 YO; serum level of
CA-125 elevated; dissemination in pelvic and abdm cavities;
pain; ascites; Px - stage
Histo: Multilocular cystic, complex papillary
architecture with marked atypia, invasion
Gross: necrotic (yellow) and hemorrhagic
Smooth cystic lining nearly
indicate invasion replaced by papillary architecture
13
Psammoma Body – concentric, laminated calcifications
Malignant Epithelial Neoplasia - Mucinous
Adenocarcinoma
Histo: Marked complex architecture, marked
atypia, invasion, not bland anymore,
hyperchromatic
Gross: Hemorrhagic
Malignant Germ Cell Tumor - Dysgerminoma
Lecture: Uncommon; young
women; ovarian counterpart of
seminoma in the testis;
radiosensitive excellent
prognosis; unilateral
Histo: Big nucleoli, abundant
cytoplasm (clear due to dissolved
glycogen), heavy
lymphoplasmacytic infiltrate
surrounding nests of cells
14
Malignant Germ Cell Neoplasm – Yolk Sac Tumor
Lecture: Rare; in children and young
women; aggressive
Histo: Schiller-Duval Body (also
called a rose setting??) - a glomerulus-
like structure with central blood vessel
surrounded by embryonal cells lying
within a space also lined by
embryonal cells. Conspicuous intra
and extra cellular hyaline globules of
alpha-fetoprotein are seen. The AFP is
secreted and appears in the blood as a
biologic marker for the tumors used
both for diagnosis and monitoring
response to therapy.
Malignant Germ Cell Neoplasm – Choriocarcinoma
Lecture: Placental origin;
extraembryonic differentiation of
malignant germ cells (ctyotrophoblasts
surrounded by syncytiotrophoblasts
that produce/store hCG); in
combination w/ other germ cell
tumors; aggressive; 50% from pre-
existing complete mole, 25% after
abortion, 25% after normal pregnancy;
may present as a metastases to the
brain; responsive to chemotherapy
Gross: (showing a bisected uterus)
Highly invasive, hemorrhagic mass
15
Malignant Sex Cord Stromal Tumor - Granulosa Cell Tumor
Lecture: Postmenopausal women; precocious sexual development in young women
and endometrial hyperplasia or
endometrial carcinoma in
postmenopausal women
Gross: Unilateral, solid
Histo: Cal-Exner bodies (spaces lined by
the granulosa cells to give a follicle-like
appearance), nests of tumor cells,
“coffee beans”; rose setting (granulose
cells surrounding BV)
Treatment for Ovary Carcinoma
TAH-BSO, Omentectomy, LN dissection, adjuvant or neoadjuvent chemotherapy
Ectopic Pregnancy
Lecture: Most common location is
fallopian tubes
Gross: Embryo in fallopian tube
Histo: Immature chorionic villi
consistent w/
placenta
Pelvic Inflammatory Disease
Caused by gonococci, chlamydia, enteric bacteria
Assoc. w/ acute salpingitis, salpingo-oophoritis, tubo-ovarian abscess, pyosal pinx,
adhesions, hydrosalpinx
Complications incl. peritonitis, intestinal obstruction, bacteremia, infertility, sepsis,
ectopic pregnancy (healing and scarring adhesions)
Treatment: i.v. antibiotics, surgical
16
Histo: Fallopian tube epi but dilated and filled w/ mixed inflamm infiltrate
Placenta – Acute Chorioamnionitis
Lecture: Ascending infection through the birth canal (bacterial most common) or
transplacental (hematogenous) infection (TORCH – toxoplasmosis, rubella, CMV,
herpes); premature rupture of membranes
Gross: (Looking at the fetal
side) Opaque, green tinge
(normally clear/pinkish)
Histo: Neutrophils acute
chorioamnionitis
17
Molar Pregnancy/Hydatiform Mole
(http://pregnancy.about.com/cs/pregnancyloss/a/aa072599.htm - A molar pregnancy refers to a pregnancy that
is a type of gestational trophoblastic disease.)
Lecture: May precede choriocarcinoma; sx: vaginal bleeding; any age (teens, 40-50)
Histo: cystic swelling of chorionic villi and variable trophoblastic proliferation
Treatment: Evacuation, serial β-hCG evaluation
Bunch of fluid-filled grapes
Complete Mole: (This occurs when the Partial Mole: (This most frequently occurs
nucleus of an egg is either lost or inactivated. when two sperm fertilize the same egg. There
The sperm then duplicates itself b/c the egg was may be partial placentas, membranes or even a
lacking genetic information. Usually there is no fetus present in a partial mole. However, there
fetus, no placenta, no fluid and no amniotic are usually genetic problems with the baby.)
membranes.) Triploid karyotype (69XX or Y)
Diploid karyotype (46XX or Y) focal trophoblastic proliferation
circumfrential trophoblastic proliferation HALF villi edematous/hydropic
ALL villi edematous/hydropic serum β-hCG less elevated
serum β-hCG elevated choriocarcinoma rare
2% risk of choriocarcinoma fetal parts can be identified
no fetal parts
18