ARRT - Chapter 18 - ovaries and Fallopian tubes
Virilization
(Female) changes within the female that are typically associated with males Caused by increased androgens and may lead to deepening of the voice and hirsutism
Yolk sac tumor
(ovary) Highly malignant germ cell tumor of the ovary Characterized by RAPID GROWTH Occurs in females younger than 20 Carries poor prognosis
Fibroma
-An ovarian sex-cord stromal tumor -benign Most commonly found in middle aged women
Theca lutein cysts
-Functional ovarian cysts that are found in the presence of elevated levels of human chorionic gonadotropin; -also referred to as a theca luteal cyst
Hemorrhagic cyst
A cyst that contains blood
Gestational Trophoblastic Disease (GTD). (Molar pregnancy)
A disease associated with abnormal proliferation of the trophoblastic cells during pregnancy Aka molar pregnancy
Follicular stimulating hormone
A hormone of the anterior pituitary gland that causes the development of multiple follicles o the ovaries
Dermoid plug
A part of a Dermoid tumor that contains various tissues and may produce posterior shadowing during u/s exam *small arrows
Septations
A partition separating two or more cavities
CA -125
A protein that may be increased in the blood of women with ovarian cancer and other abnormalities
Hysterosalpingography
A radiographic procedure that uses a dye instilled into the endometrial cavity and Fallopian tubes to evaluate for internal abnormalities
Papillary projections
A small protrusion of tissu
Germ cell tumor
A type of neoplasm derived from germ cells of the gonads May also be found outside the reproductive tract
Endometrioid tumor
A typically malignant ovarian tumor often associated with a history of endometrial cancer, endometriosis, and endometrial hyperplasia Often seen in 50-60's
Clinical findings follicular cysts
ASX Pain associated w/ hemorrhage and enlargement of cyst
Clinical findings of corpus luteum cysts/ of pregnancy
ASX Pain associated with hemorrahge and enlargement of cyst Corpus luteum of pregnancy accompanies a pregnancy
Ovarian arteries are branches of what?
Abdominal aorta
A complex or thick walled corpus luteum cyst may resemble what? And why should we take careful consideration of the entire clinical picture?
An ectopic pregnancy Should establish the presence of an IUP
"Whirlpool sign""
An indicator of the torso ovarian pedicure adjacent to the ovary , appearing as a round mass with concentric hypoechoic and hyperechoic rings that demonstrates a swirling color Doppler signature
The ovary consists of what:
An outer cortex and inner medulla
"Chocolate cysts"
Another name for endometriomas
Anterior cul-de-sac (vesicouterine pouch)
Area between the uterus and pubic bone
Meigs syndrome
Ascites and PE in the presence of benign ovarian tumor
How is the corpus luteum cyst maintained during pregnancy?
B/c production of hCG by trophoblastic cells preserve it
Cystic teratoma (Dermoid cyst)
Benign ovarian mass that is composed of three germ cell layers
Thecoma
Benign ovarian sex cord-stromatolites tumor that produces estrogen in older woman
Medulla of ovary:
Contains ovarian vasculature & lymphatics
After the Graafian follicle has ruptured , its structure is converted into what?
Corpus luteum
What are the most common pelvic masses seen during a 1st trimester u/s?
Corpus luteum of pregnancy
"Tip of the iceburg sign"
Denotes the sonographic appearance of a cystic teratoma (Dermoid) when only the anterior element of the mass is seen , while the greater part of the mass is obscured by shadowing
Lysis
Destruction or breaking down
Malignant degeneration
Developing into cancer
Ovarian arterial flow throughout the menstrual cycle:
Early follicular phase — high resistance w/ absent or low end-diastolic RI=1.0 Late follicular phase — low resistance w/ increased end diastolic RI= 0.5 Early luteal phase — Low resistance w/ increased end diastolic RI=0.5 Latel luteal phase — high resistance w/ absent r low end diastolic RI =0.1
Ovaries are what kind of glands?
Endocrine Responsible for releasing estrogen and progesterone
What is the most common cancer to originate within an endometrioma???
Endometrioid tumor (endometrioid carcinoma)
What stimulates the ovaries?
Follicle- stimulating hormones - released by anterior pituitary gland
Ovaries
Form in upper abdomen in utero , and descend to pelvis Paired, oval shaped Intraperitoneal organs Endocrine glands
Endometrioisis
Functional ectopic endometrial tissue located outside the uterus
Cilia
Hair like projections within the fallopian tube
Unilocular
Having only one internal vanity
Typical ovarian flow is said to be ...
High resistant during : early follicular phase and late luteal phase Low resistant during : late follicular phase and early luteal phase
U/s of ovary
Homogenous w/ medium to low-level echoes Multiple follicles Size of ovary depends on physiologic state and age of patient
human chorionic gonadotropin (hCG)
Hormone produced by the trophoblastic cells of the early placenta May also be.a tumor marker for nongravid pts and males
Fluid from a ruptured follicle will most often settle where?
In the rectouterine pouch (pouch of Douglas) , the most dependent portion of the peritoneal cavity
Pelvic inflammatory disease (PID)
Infection of the female genital tract that may involve the ovaries, uterus, and/or fallopian tubes
Salpingitis
Inflammation of the Fallopian tube
Pseudomyxoma peritonnei
Intraperitoneal extension of mucin-secreting cells that result from rupture of. Malignant mucinous ovarian tumor or possibly a malignant tumor for the appendix
Location of ovaries :
Intreaperitoneal organs Anywhere in true pelvis (exception of anterior cul de sac) Ovarian fossa—. Posterior to urethra and internal iliac artery , superior to external iliac artery
Cortex of the ovary:
Involves the mass of the ovary Site of oogensis
If fertilization occurs what happens to the corpus luteum?
It is maintained and becomes the corpus luteum of pregnancy
If fertilization does not occur what happens to the corpus luteum?
It regresses and becomes the corpus albicans
Ampulla
Longest & most tortuous segment of Fallopian tube Significant portion of tube because this is where fertilization takes place Also where ectopic pregnancies often embed
Sertoli-Leydig cell tumor
Malignant sex cord-stromatolites ovarian neoplasm that is associated with virilization More often found in women younger than 30
Dermoid mesh
Mass of hair within a cystic teratoma
Follicular cyst
Ovarian cyst that forms as a results of the failure of the Graafian follicle to ovulate
A large ovarian has a high risk of what?
Ovarian torsion
On day 14 of the menstrual cycle what occurs?
Ovulation The dominant follicle ruptures, releasing the mature ovum , and a small amount of follicular fluid into the peritoneal cavity (Mittelschmerz)
Mittelschmerz
Pelvic pain at the time of ovulation
During the second half of the menstural cycle (luteal phase) what does the corpus luteum produce?
Progesterone And small amounts of estrogen
The right ovarian vein drains into what? Left ovarian vein?
Right— IVC Left — left renal vein
Psuedoprecocious puberty
Secondary sexual development induced by sex steroids or fro mother sources like ovarian tumors adrenal tumors, or steroid use
Androblastoma
Settling-Leydig cell tumor Malignant sex cord-stromatolites ovarian neoplasm that is associated w/ virilization
U/s follicular cysts
Simple cyst— anechoic, thin walled, unilocular , round, posterior enhancement Hemorrhagic cyst— variable appearances, including complex components or entirely echogenic depending on the amount of blood and stage of lysis , May have a web like or lacy appearance as well
Brenner tumors
Small benign ovarian tumors
Cumulus oophorus
Structure that contains the developing oocyte
corpus luteum
Temporary endocrine gland that results on the rupture of the Graafian follicle after ovulation
Adnexa
The area located posterior to thee broad ligament and adjacent to the uterus, which contains the ovaries and Fallopian tubes
Corpus luteum of pregnancy
The corpus luteum that is MAINTAINED during an early pregnancy for the purpose of producing estrogen and primarily progesterone
Oogenesis
The creation of the ovum
infundibulum
The distal segment of the Fallopian tube
Fimbria
The finger like extension of the Fallopian tube located on the infundibulum.
Endoderm
The germ cell layer of the embryo that develops into the GI and respiratory tracts
Mesoderm
The germ cell layer of the embryo that develops into the circulatory system, muscles, reproductive system and other structures
Ectoderm
The outer germ cell layer of the embryo that develops into : hair, skin. Nails, and other structures
Pyosalpinx
The presence of pus within the Fallopian tube
Ovulation
The release of the mature egg from the ovary
Interstitial
The segment of the Fallopian tube that lies within the uterine horn (Cornu)
Ovarian cystectomy
The surgical removal of an ovarian cyst
Isthmus
Tube: the segment of the Fallopian tube that is located between the interstitial and ampulla Uterus: area of the uterus between the corpus and cervic
Serum lactate dehydrogenase
Tumor marker that is elevated in the presenc of an ovarian dysgerminoma and other abdominal abnormalities
The sonographic manifestation of a hemorrhagic cyst may be described as :
Weblike or lacy appearanc
Where is the ovum contained?
Within the cumulus oophorus of the dominant follicle
Corpus luteum cyst
a physiologic cyst that develops within the ovary after ovulation secretes progesterone, maintains the endometrium and prevents menses if fertilization occurs in preparation for implantation
Daughter cyst
a small cyst within a large cyst
Ovarian hyperstimulation syndrome
a syndrome resulting from hyperstimulation of the ovaries by fertility drugs; results in the development of multiple, enlarged follicular ovarian cysts
Menorrhagia
abnormally heavy and prolonged menstruation
Ovarian torsion
an abnormality that results from the ovary twisting on its mesenteric connection, consequently cutting off the blood supply to the ovary
Sebum
an oily substance secreted by sebaceous glands
Endometrioma
benign, blood containing tumor that forms forms from the implantation of ectopic endometrial tissue, tumor associated with endometriosis.
Hematosalpinx
blood within the fallopian tube
Peristalsis
contractions of smooth muscles that provide the force that moves food through the esophagus toward the stomach
Ascites
excessive fluid in the peritoneal cavity
Hirsutism
excessive hair growth in women in areas where hair growth is normally negligible
hyperemesis
excessive vomiting
Multiloculated
having more than one internal cavity
Krukenberg tumor
malignant ovarian tumor that metastasizes from the gastrointestinal tract, like stomach cancer Presence of "signet-ring cells" key to histoligic diagnosis
Dyspareunia
painful sexual intercourse
Hydrosalpinx
the abnormal accumulation of fluid within the fallopian tube
Graafian follicle
the name for the dominant follicle prior to ovulation
Corpus albicans
the remaining structure of the corpus luteum after its deterioration