Glossary
Ablation
Destruction of tissue; can take various forms, applied to malignant tumours
Acute retention (of urine)
A painful condition where a patient suddenly becomes unable to void, despite having a full bladder. Immediate relief is obtained by passage of a catheter, draining the urine from the bladder
Adrenal gland
One of a pair of glands lying above each kidney which produce hormones to control blood pressure and other vital functions
Adrenalectomy
Removal of an adrenal gland
Adjuvant therapy
Any treatment given following primary therapy for a cancer where there is a significant risk of residual cancer. It is given with the intention to cure, e.g. adjuvant radiotherapy after radical prostatectomy for high risk prostate cancer when the post-operative PSA is undetectable
AdVance™ Male Sling
A synthetic tape which can be surgically inserted under the male urethra to treat mild urinary incontinence
Androgen
Male sex hormone, e.g. testosterone
Artificial urinary sphincter
A mechanical device which can be surgically inserted around the urethra to treat men with urinary incontinence
Balanitis
Inflammation of the glans penis (head of the penis)
Benign
When a tumour cannot invade into other tissue or spread to distant sites in the body
Biopsy
A small sample of tissue
Bladder
The organ in the pelvis which stores urine
Bladder scan
A simple test using ultrasound to measure the amount of urine remaining in the bladder after voiding (post-void residual volume)
Brachytherapy
Short-range radiotherapy for prostate cancer performed by inserting radioactive seeds into the prostate
Calculus
A stone
Cancer
Cells which grow uncontrollably and may invade local tissue and spread to other parts of the body (malignancy)
Carcinoma
A form of cancer
Catheter (urinary)
A tube that is inserted into the bladder to drain urine. It is usually passed via the urethra, but is sometimes passed directly into the bladder through the abdominal wall (suprapubic catheter)
Cavernosal nerves
Bundles of nerves which run along both sides of the prostate to supply erectile function to the penis
Chemotherapy
Systemic treatment of metastatic cancer with medicine, often given intravenously
Chronic retention (of urine)
A painless condition where the bladder is unable to empty urine adequately. It may cause symptoms such as frequency, and may predispose to urine infection, bladder stones, or back-pressure on the kidneys
Congenital
A condition present at birth
Continence
The ability to prevent involuntary leakage (of urine)
Corpora cavernosa
Corporal bodies - cylinders of erectile tissue in the penis
Cryotherapy
Destruction of a cancer by freezing
CT
Computerised Tomography (CAT scan) - A type of body scan
Cyst
A fluid-filled structure
Cystectomy
Removal of the bladder
Cystoscopy
Looking inside the bladder with a telescope
Da Vinci™ robot
A high-tech machine which enables the surgeon to perform precise minimally invasive surgery.
Detrusor
The muscle in the wall of the bladder
Ejaculation
When semen is expelled from the penis
Enema
Medication given via the rectum to empty it of faeces. Often given prior to a pelvic procedure to minimize bacterial contamination
Erectile dysfunction
ED – The inability to achieve or hold an erection (impotence)
Flip-flow valve
A tap attached to a catheter, allowing bladder filling when closed, and drainage of urine when open
Frequency (of urination)
Voiding more often than normal during the day
Glans penis
The head of the penis
Gleason score
A method of grading prostate cancer according to its microscopic appearance; it predicts aggressiveness. Formerly a value between 2 and 10, but now almost always limited to values between 6 and 10, where 6 is low grade, 7 is intermediate, and 8, 9, and 10 are all high grade.
Gonads
The ovaries or testes
Grade
The degree of aggressiveness of a cancer, as it appears under a microscope
Hereditary
Where a condition which can be passed from parent(s) to child through one (or both) parent’s genes
HIFU
High Intensity Focused Ultrasound – an option for treating localized prostate cancer by precise tissue heating
Hormone
A chemical messenger in the blood
Idiopathic
A condition of unknown cause
Ileal conduit
An isolated segment of small bowel (ileum) used to drain urine from the ureters to a bag on the abdominal wall; surgically created at the time of a cystectomy
Impotence
Erectile dysfunction (ED) - The inability to achieve or hold an erection
Incontinence
The inability to prevent leakage (of urine)
Indolent
Slow-growing; typical of many low grade prostate cancers
Intracavernous injection
Injection of medicine directly into the erectile tissue of the penis to cause an erection; a treatment option for erectile dysfunction
Kegel exercises
Pelvic floor exercises, performed to prevent or treat urinary incontinence
Keyhole surgery
Laparoscopy - surgery performed with one or more very small incisions
Kidney
One of a pair of organs which filters waste products from the bloodstream into urine
Laparoscopy
A technique of performing a surgical operation using instruments inserted via very small incisions (keyhole surgery)
Lithotripsy
Stone-breaking
Lymph nodes
5 mm structures found all over the body which filter lymphatic fluid (that is not contained in blood vessels) and can trap infection and cancer cells. They may become enlarged when trapping disease
Malignant
When a tumour has the potential to invade into other tissue or spread to distant sites in the body
Metastasis
Distant spread of cancer away from the primary site
Midstream Urine
A common test where the patient must catch the midstream portion of urine in a container
Mixed incontinence
Involuntary leakage of urine with features of both stress incontinence and urge incontinence
Morbidity
The degree of suffering caused by a condition or its treatment
MRI
Magnetic Resonance Imaging – A type of body scan
Neobladder
A continent reservoir surgically created from an isolated segment of small bowel at the time of a cystectomy; it allows voiding via the urethra
Nephrectomy
Removal of a kidney
Nephron
The microscopic functional unit of the kidney which filters blood to make urine. There are about 1 million nephrons in each kidney
Nocturia
Getting up to void more than once overnight. Not incontinence
Nocturnal enuresis
Incontinence of urine while asleep (bedwetting)
Occult
Hidden; often used to describe cancer that is not seen on imaging
Oncology
The medical specialty of cancer
Orchidectomy
Removal of a testis via the scrotum (scrotal) or via the groin (inguinal or radical)
Overactive bladder
A symptom complex including urinary urgency, with or without urge incontinence, which is often accompanied by urinary frequency and nocturia. It is not explained by any underlying condition
Overflow incontinence
Involuntary leakage of urine due to a bladder which is full of urine but unable to empty normally
Pelvis
The part of the abdomen lying below the belt-line (as distinct from the renal pelvis, which is that part of the kidney where urine is collected before being transmitted down the ureter)
Percutaneous
Performed through a small cut in the skin
Pessary
Medicine or device (ring pessary) inserted into the vagina
PET scan
Positron emission tomography – a special scan which images the metabolic activity of tissues in the body; performed to investigate some cancers
Port
A narrow tube inserted into the body wall, through which instruments are inserted to perform laparoscopy
Prepuce
Foreskin
Priapism
A prolonged erection which will not subside; it needs urgent treatment to prevent irreversible injury to the erectile tissue of the penis
Prostate
A doughnut-shaped walnut-sized organ which lies at the base of the bladder; it contributes fluid to make up semen
Prostatectomy
Removal of the prostate
Prostatitis
Inflammation of the prostate; may or may not be due to infection
PSA
Prostate-Specific Antigen – a blood test; it can be raised in prostate cancer and other prostatic conditions
PUJ
Pelviureteric junction - the point at which the kidney joins the ureter; it can become obstructed
Pyeloplasty
An operation performed to relieve PUJ obstruction
Radical
Denotes an operation for cancer; involves removing a particular organ (e.g.kidney) as well as its surrounding tissue
Radiofrequency ablation
RFA – Destruction of a cancer by heating; typically used for small kidney cancers
Radiotherapy
Local cancer treatment using ionizing radiation; can be given by external beam, or radioactive seed implantation
Renal
Of the kidney
Salvage therapy
Any secondary treatment for cancer given after the primary therapy has failed to eradicate all of the cancer. It is given with the intention of cure, e.g. salvage radiotherapy after radical prostatectomy for prostate cancer when the PSA remains detectable
Scrotum
Skin sac which contains the testicles
Seminal Vesicles
A pair of organs attached to the back of the prostate which produces and stores seminal fluid
Spermatic cord
The stalk on which each testis hangs, containing its blood supply and the vas deferens
Sphincter (urinary)
The circular muscle just below the prostate which acts as a valve, conferring continence of urine
Stage
The degree of local invasion and/or distant spread of a cancer
Stent
A fine self-contained plastic tube inserted into the ureter through the bladder to support it during healing or to bypass obstruction
Stress incontinence
Involuntary leakage of urine associated with an activity causing an increase in abdominal pressure
Suppository
Medicine inserted into the rectum
Systemic
Throughout the body
Testis
Testicle
Testosterone
A male sex hormone produced by the testes
Torsion
Twisting, especially of the spermatic cord, causing acute testicular pain and requiring urgent treatment to prevent death of the affected testis
Tumescence
The degree of engorgement with blood of the erectile tissue
Tumour
An abnormal growth of tissue which can be benign or malignant
TURP
TransUrethral Resection of the Prostate – an operation to remove the inner part of the prostate with a telescope via the urethra; it relieves obstruction of the bladder outlet
Undescended testis
When a testis has not completely reached the bottom of the scrotum during its development
Ureter
The tube which transports urine from the kidney to the bladder
Ureteroscopy
Using a fine telescope inserted through the bladder into the ureter. The scope may be rigid or flexible.
Urethra
The tube from the bladder, through which one urinates. It is long in males (travelling through the penis) and short in females
Urge incontinence
Involuntary leakage of urine associated with an overwhelming desire to void
Urgency
An urgent desire to void
Urinary system
The kidneys, ureters, bladder, prostate and urethra
Urodynamics
Testing of bladder and urethral function using a small probe passed into the bladder via the urethra, which measures pressures during bladder filling and voiding (urinating)
Urology
The surgical specialty of diseases of the urinary system in both sexes, and of the genital tract in males
Vacuum pump
A device which causes engorgement of blood in the erectile tissue of the penis; a treatment option for erectile dysfunction
Vas deferens
One of two tubes carrying sperm from the testes to the urethra. They are both cut in a vasectomy for sterilisation
Vasectomy
A minor sterilising procedure in which both vasa are divided and separated to prevent sperm gaining access to the urethra
Vasodilator
A medicine which causes dilation of blood vessels; often used as an oral or injectable treatment option for erectile dysfunction
Voiding
Urinating
Voiding flow rate
A simple test to measure the rate of urine flow during urination. The patient voids into a special bowl which is able to calculate the flow rate. For the test results to be meaningful, the patient should have a full bladder prior to the test.
DISCLAIMER
Please be aware that medical information provided on this website is for educational purposes only. As the information is deliberately general in nature, it in no way replaces a consultation. Only a consultation with your specialist can adequately address your individual situation, leading to the most appropriate management for you.