GOSH Flashcards
(620 cards)
What is a speculum examination
Insertion of a speculum device to facilitate the inspection of the vaginal wall and ectocervix
Evaluation of the quality of vaginal discharge to determine whether a smear should be acquired
What is the ectocervix and what type of cells make it up
Outer part of the cervix, distal to the uterine external os
The mucosal surface of the vaginal cervix.
Lined with nonkeratinized stratified squamous epithelium.
What are the signs and symptoms of pathologic discharge
Malodorous Abnormal consistence (frothy or curd like) Bloody, brown, yellow, green or gray colour
Puritic and/or erythematous vagina
Cervical tenderness
What is physiological leukorrhea
Profuse white or yellow and non-malodorous vaginal discharge can be physiological if none of the other symptoms of pathologic discharge are present
In newborns, vaginal discharge may occur due to in-utero exposure to maternal oestrogen (no treatment necessary)
What is Important about speculum exams in preadolescent patients
Nearly never indicated but if absolutely necessary (eg vaginal bleeding, trauma or abuse) it is usually done under general anaesthesia
What is a colposcope
A type of microscope used to acquire a magnified view (6-40x) of the vaginal wall or ectocervix
Can detect pracancerous and cancerous lesions with application of acetic acid or iodine
Can be used for colposcopy directed cervical smears and biopsies
Can be used in surgical procedures
What is cervical ectopy
A state in which the squamous cell epithelium of the ectocervix is replaced by columnar cell epithelium of the endocervix under the physiological influence of oestrogen (eg precnancy, certain oral contraceptives)
Can be seen on colposcopy as a sharply demarcated bright red area with papillary structures
Clinical features: mostly asymptomatic, occasional postcoital bleeding and vaginal discharge
Predisposition to chlamydial infection
Malignant transformation may occur in cases of HPV-16 and/ or HPV-18 infections
What is the transformational zone
The area between the non-keratinised squamous epithelium of the ectocervix and the columnar epithelium of the endocervix.
It is a common site for infections and dysplastic changes
What are nabothian cysts
Retention cysts that arise in the transformational zone
These have no pathological significance
What are cervical polyps
Hyperplastic cervical epithelium
Clinical features: vaginal bleeding
Malignant degeneration is rare
Treatment: surgical resection of the polyp and cauterization of the polyp’s pedicle to prevent recurrence
What are the abnormal findings on colposcopy
All require further evaluation
Condylomata acuminata: white lesions under acetic acid application
Cervical leukoplakia: white membrane that cannot be scraped off
Cervical intraepithelial neoplasia: punctate lesions or coarse mosaic pattern
Cervical cancer: atypical vessels
What is the normal finding on a vaginal smear
Cylindrical Lactobacilli (Doderlein’s bacilli)
What are the pathological findings on a vaginal smear and what is the subsequent diagnosis
Pseudomycelia and/or yeast cells: Vaginal candidiasis
Motile flagellated protozoa: Trichomoniasis
Clue cells and positive whiff test: Bacterial vaginosis
Estimate pH levels:
- Normal 4 - 4.5
- > 4.5 then suspect bacterial infections (other causes could be menstruation, amniotic fluid and sexual intercourse)
Also need to do bacterial culture and sensitivity analysis if bacterial infections due to an unknown pathogen are suspected
PCR and/or serological tests can be done for suspected chlamydial infections or HPV typing
What is involved in a Whiff test
AKA: Amine test, Hinsberg reaction
Positive if adding 1–2 drops of 10% KOH (potassium hydroxide) to vaginal fluid (on the speculum after the pelvic examination/on a microscope slide) leads to an intensification of the fishy odor.
What is the tumour marker for breast carcinoma
CA 15-3
What is the tumour marker for ovarian and/or endometrial carcinoma
CA 125
What is the tumour marker for squamous cell carcinoma (eg cervical, vulval and/ or vaginal carcinomas)
SCC
What is the tumour marker for germ cell tumours
AFP
What is the tumour marker for choriocarcinomas and or/ germ cell tumours
HCG
What is a transabdominal ultrasound used for
The easiest menthof of assessing the uterus, ovaries and adnecal structures
Used in assessment of:
- Urogenital tract
- Foetal development
- Pelvic organs
What is a transvaginal ultrasound used for
Performed to diagnose ovarian cysts, tumors and follicular maturation
Looking at uterus:
- Myometrium (eg to diagnose leiomyomas)
- Endometrium:
- echogenic layer in the long axis view of the uterus (endometrial stripe)
- endometial thickness varies with menstrual cycle
- postmenopausal women with an endometial thickness >8mm should undergo a follow up ultrasound 1-3 months later
- postmenopausal women with an endometrial thickness >10mm should undergo hysteroscopy and endometrial curettage to rule out endometrial carcinoma
Assessment of foetal development during first trimester
Meausrement of cervical length in cases of cervical incompetence
What is breast ultrasound used for
Used to assess breast lesions which were detected by palpation, mammography, and/or breast MRI scans
Can also be used to assess the axilla for lymph node involvement if there is suspicion for breast cancer
What is hysteroscopy
A fiberoptic scope is introduced transcervically into the uterus to diagnose and/or treat uterine pathologies
Commonly done as part of the work up of abnormal uterine bleeding
Can be combined with diagnostic/ therapeutic uterine curettage
What is uterine curettage
Scraping away endometrial tissue by introducing a curette into the uterine cavity