Renal Pathology Flashcards
What is glomerulonephritis?
Non infective iflammation of the glomerulous and nephrons
what is pyelonephritis?
Bacterial infection of the renal pelvis, calyces, tubules and intersitium
What is the most common bacterial cause of pyelonephritis
E.coli
What does sterile pyuria sugest?
Tuberculous pyelonephritis
What is cystitis?
Inflammation of the bladder
What bacteria usually causes cystitis?
E.coli
Klebsiella
Proteus
Pseudomonas
What does prolonged unrinary tract obstruction cause
Hypertrophy of detrusor muscle
Diverticulum formation
What is hydronephrosis?
water in the kidney leading to pelvicalyceal dilation
What difference do you see in a sudden blockage versus a gradual blockage in hydronephrosis?
Sudden - little dilation
Gradual - Large dilation
Define urinary incontinence
Involuntary leakage of urine
What are the four types of urethral urinary incontinence?
Urge
Stress
Mixed
Overflow
What happens in overflow incontinence?
Bladder outflow is obstructed
Chronic retention resulting in uncontrolled incontinence
Often at night
What is urge incontinence?
Frequently feeling desperate to go and then voiding small volumes at a time.
Waking up at night to have to go pee
What is stress incontinence?
Urine leaks during increased intra abdominal pressure usually due to pelvic floor weakness
What life style changes are involved in the managment of urge urinary incontinance
Avoid caffine and alcohol
Bladder training
stop smoking
What drugs can be usful in urge urinary incontinence?
Antimuscarinics
What does agenesis mean?
Absence of one or both kidneys
What does hypoplasia mean?
Small kidneys but normal development
Whats the deal with cysts in the kidneys?
Simple cysts are very common ad dont cause any problems
What is the prognosis for neonatal polycystic disease?
Terminal - few months
What is associated with infantile polycystic disease?
Congenital hepatic fibrosis
How i adult polycystic kidney disease aquired?
Autosomal dominant
How does adult polycystic disease present?
mid life - abdominal mass , haematuria , hyperstension
What is associated with adult polycystic kidney disease?
Berry aneurysms
cysts in liver pancrease and lung
How does renal cell carcinoma spread?
Blood-borne spread to lung and bone
What is the most common bladder tumour?
Transitional cell carcinoma
What is the most common symptom of transitional cell carcinoma?
Haematuria
Where do you normally find transitional cell carniomas?
In the trigone
How does squamous carcinoma of the penis present?
Ulcerating tumour at the glans of the penis
What is benign nodular hyperplasia of the prostate?
very common disorder
Irregular proliferation of both glandular and stromal prostatic tissue
What is characterisitc of prostatism?
Difficulty starting micturation
poor stream
overflow incontinence
Is bengin nodular hyperplasia pre malignant?
NOOOOOO
Where does carcinoma of the prostate usually occour ?
Mainly in peripheral ducts and glands particulary in the posterior lobe
How does carcinoma of the prostate spread and where too?
Local - urethral obstruction, seminal vesicles, bladder, rectum
lymphatics- sacral, iliac and para-aoritc nodes
Blood- bone ( lumbosacral)
What investigations are useful in carcinoma of the prostate?
Prostate specific antigen (PSA)
Biopsy
How is carcinoma of the prostate managed?
Hormonal therapy - anti- androgen
Radiotherapy - bone mets
Surgery - prostatectomy
What is the bigest risk factor for testicular tumours?
testicular maldescent is a risk factor x10
How do testicular tumours present?
Painless testicular enlargement
What is the most common type of testicular tumour?
Germ cell tumours
When do people get seminomas and what type of tumour are they ?
30-50 yrs
Germ cell tumours
How can seminomas spread?
Lyphatic spread to para-aortic lymph nodes
blood spread to lungs and liver
How do you treat seminoma?
Radiotherapy - 95% cure rate
What testiclar cancer do young guys get?
Teratomas
What does hematospermia mean?
Blood in the semen
the symptoms “Debilitating unilater or bilateral flank pain with heamaturia which is otherwise unexplained” are classical of which syndrome?
Loin pain haematuria syndrome
What is decompression heamaturia?
Haematuria following bladder drainage in high pressure chronic urinary retention treatments by decompression
What is pneumaturia?
Passage of air bubbles in the urine
What is faecaluria?
Passage of faecal matter in urine
What information does the timing of the heamaturia give you?
initial voiding - urethral
Total voiding - bladder , kidneys or ureter
Terminal voiding- prostate or bladder
What is acute urinary retention?
Inability to urinate.
Urine is still produced but voiding does not occur
What is a common cause of acute loin pain?
Ureteric colic secondary to calculus
How do you treat renal calculi?
NSAIDs and Opiate
alpha blocker for small stones expected to pass
What size of stone is easily passible ?
<4mm:- 80% pass spontaneously
>6mm - 21% pass spontaneously
What is paraphimosis
Painful swelling of the foreskin distal to a phimotic ring
When does paraphimosis usually occour?
When the foreskin is retracted for catherterization or cystoscopy and the staff member forgets to put it back
What is Priapism ?
Prolonged erection, often painful and not associated with sexual arousal
What are the two classes of priapism?
Ischaemia:- venous stasis compartment syndrome
Non-ischaemic :- tramatic distrution of penile vasculature resulting in uregulated blood entry