Uterine, Vag and Cervix Disorders Flashcards
Another name for uterine fibroids
Leiomyomas
What makes a fibroid
Smooth muscle cells and fibroblasts. Form a round, benign tumour in the myometrium
Location and different types of fibroids
Subserosal - near outer serial surface of uterus and can pressurise adjacent structures e.g. bladder. Mostly asymptomatic.
Intramural - within myometrium. Cause menorrhagia and dysmenorrhea.
Submucosal - Near inner mucosal surface and can extend into uterine cavity. Menorrhagia, sub fertility and dysmenorrhea
Pedunculated
Intracavitary
Risk factors for fibroids
Afro-carribean ethnicity. Family Hx Increasing age Early puberty Obesity
Complications of fibroids
Can create their own blood supply which can lead to torsion of a pedunculate fibroid.
Abnormal uterine bleeding.
Compression of adjacent organs = urinary frequency, pelvic pain, constipation.
Infertility.
Pregnancy problems e.g. malpresentation, miscarriage, pre-term.
Clinical features of fibroids
Asymptomatic! Menorrhagia, dysmenorrhea. Pelvic pain. Pelvic pressure or discomfort. Subfertility. Urinary symptoms. Abdo and bimanual pelvic exam = Firm, enlarged, irregular shaped non-tender uterus. Mass able to be moved from side to side.
Differentials for a pelvic mass on bimanual palpation
Ovarian cancer. Endometrial carcinoma Uterine sarcoma e.g. leiomyosarcoma. Endometrial polyp Endometrial hyperplasia Adenomyosis Pregnancy.
Management of fibroids
No treatment if minimal symptoms.
Treat menorrhagia e.g. IUS.
Ulipristal acetate = progesterone receptor modulator. Need to monitor LFT!
GnRG analogues to shrink fibroid before surgery (return to original size when stop medication).
Surgery = myomectomy, hysterectomy, eterine artery ablation.
Pharmacology of GnRH analogues
Bind to Gonadotropin-releasing hormone receptor, cause increase in FSH and LH - initial flare-up of symptoms. Continued activation however causes LH and FSH levels to decrease as receptors desensitise.
Side effects = hot flush, mood swings, vaginal dryness, low libido, headache, low BMD.
Adenomyosis
Ectopic endometrial tissue in the myometrium (a type of endometriosis?)
Endometriosis pathophys
Endometrial tissue and stroma outside the uterine cavity. Commonly deposits occur in the peritoneum, pouch of Douglas, ovary and uterosacral ligament.
The tissue is responsive to oestrogen and causes cyclical problems.
Causes of endometriosis
Unknown cause.
Genetic predisposition.
Retrograde menstruation?
Mostly affects women between 30-40yrs.
Complications of endometriosis
Endometriomas = ovarian cysts with blood and endometrial-like tissue. They can rupture causes abnormal pelvic anatomy.
Subfertility.
Adhesions
Bowel obstruction.
Clinical features of endometriosis
Infertility.
Chronic and cyclical pelvic pain.
Dysmenorrhea, Dyspareunia and menorrhagia.
Lethargy.
Constipation.
Bimanual pelvic exam will be normal unless severe endometriosis which can cause tendernesss, palpable nodules or visible nodules.
Investigating and diagnosing endometriosis
TVUS - can be normal.
Laproscopy + biopsy. Diagnose endometriosis and rule out malignancy.