Surgery Flashcards
Management of nocturia (3)
- Advice r.e moderate fluid intake at night
- Furosemide 40mg late afternoon
- Desmopressin
Pharmacological management for overactive bladder (2)
Non pharmacological management (1)
- Oxybutynin/ tolterodine/ darifenacin (antimuscarinics)
- Mirabegron
- Bladder retraining
How long pre op should a patient stop the COCP?
4 weeks
VTE prophylaxis for post elective hip operations
10 days LMWH + further 28 days low or high dose aspirin OR 28 days of LMWH with stockings OR Rivaroxaban
VTE prophylaxis for post elective knee operations
Aspirin low or high dose for 2 weeks OR LMWH with stockings for 2 weeks OR Rivaroxaban
VTE prophylaxis for post fragility fractures of the hip
LMWH for 28 days
Post vasectomy when can a man have UPSI?
Needs two semen analysis at week 16 and week 20
O/E bag of worms
Subfertility =
Varicocele
What is a varicocele? Which side is it more common? Diagnostic investigation (1)
Abnormal enlargement of testicular veins, much more common on left side. Usually asymptomatic.
USS
Swollen, tender testis retracted upwards =
Testicular torsion
What is testicular torsion?
What is the name of the congenital abnormality which leads to likely bilateral case of testicular torsion?
Twisting of spermatic cord leading to ischaemia and sudden onset pain.
Bell clapper testis
Name four features of testicular torsion
- Loss of cremasteric reflex
- Sudden onset pain, erythema and swelling
- Prehn’s sign
- High riding testes
What is Prehn’s sign?
Prehn’s
elevation of the testis does not ease the pain?
Most common cancer in male aged 20-30 =
Testicular cancer
Name the two types of testicular cancers and their subtypes
Which is more common?
- Germ cell (95%)
- seminomas
- non seminomas - Non germ cell (5%)
- Leydig cell tumours
- sarcomas
RF for testicular cancer (5)
- Infertility
- Cryptorchidism
- FH
- Klinefelters
- Mumps orchitis
What is cryptorchidism?
Undescended testes
Features of testicular cancer (6)
- Painless lump
- Hydrocele
- Gynaecomastia
- AFP + LDH may be raised in germ cell tumours
- HCG may be raised in seminomas
- Dragging sensation
Peak incidence for which cancers is aged 25yo and 35yo
(Non seminoma) Teratoma = 25yo
Seminoma = 35yo
What is a hydrocele?
Classification
Accumulation of fluid within the tunica vaginalis
Usually found anterior and below the testicle
Communicating and non communicating
What is the treatment for testicular cancer?
- Orchidectomy
2. Chemo/ RT
Subarachnoid haemorrhage
Causes of SAH (5)
- Trauma
- Berry aneurysm
- AV malformation
- Infective aneurysms
- Arterial dissection
Subarachnoid haemorrhage
What may you find on an ECG?
ST elevation
Subarachnoid haemorrhage
Name two investigations
- CT head
- hyperdense on CT scan - LP
If CT negative
When would you do an LP for SAH?
How long after the onset of symptoms?
What are you looking for? (2)
If CT negative
At least 12 hours post onset of symptoms
Looking for xanthochromia
Normal or raised opening pressure
What investigation would you perform to find out the cause of spontaneous SAH?
CT intracranial angiogram +/- catheter angiogram
Management of intracranial aneurysm?
- Coil
2. Craniotomy + clip
Name six complications of an aneurysmal SAH?
- Re-bleed
- Vasospasm (delayed cerebral ischaemia)
- Hyponatraemia (SIADH)
- Seizures
- Hydrocephalus
- Death
What medication is given to avoid spasm and for what duration?
Nimodipine 21 days
What is epididymitis/ epididymo-orchitis?
Infection of the epididymis +/- testes resulting in pain and swelling
Common organisms and age
<35yo chlamydia + gonorrhea
>35yo Ecoli, pseudomonas
Name four features of epididymo-orchitis
- Cremaster reflex +ve
2. Prehn’s sign +ve
What is the cremaster reflex?
Stoke inner thigh, testicle retracts up
Hydrocele features (3) Location (1)
- Transilluminate
- Non painful swelling
- Can get above it
- Normally found anterior and below the testicle
Difference between communication and non communicating hydrocele
Communicating - likely congenital
Incomplete closure of processus vaginalis
Usually resolve within first few months
Non communicating
- excessive fluid production within the tunica vaginalis
Management of communicating hydroceles
Usually resolve on their own
If not resolved by 1-2yo - surgery
Management of non communicating hydroceles
Conservative management
Repeat USS to check for tumours
Hydroceles can form due to which three conditions?
- epididymo-orchitis
- testicular torsion
- testicular tumours
Left sided varicocele could indicate which cancer?
Renal cell carcinoma
What is the most common cause of scrotal swellings in primary care?
Epididymal cysts
Where are epididymal cysts found?
Posterior to the testicle
Name three associated conditions with epididymal cysts
- polycystic kidney disease
- cystic fibrosis
- von Hippel-Lindau syndrome
Name two RFs for RCC
- von Hippel- Lindau syndrome
2. Tuberous sclerosis
What is Stauffer syndrome?
Associated with which cancer?
Paraneoplastic hepatic dysfunction syndrome
Typically presents as cholestasis/hepatosplenomegaly
Associated with RCC
Name three endocrine effects of RCC
- Increased EPO –> polycythaemia
- High calcium secondary to PTH
- Increased renin + ACTH
Mx of RCC
- Partial or total nephrectomy
2. Alpha-interferon and interleukin-2 for patients with metastases and to reduce tumour size
Prostate ca
More common in which race?
Afro-Caribbean
DRE for prostate ca (3)
- asymmetrical
- hard, nodular enlargement
- loss of median sulcus
Name six causes of raised PSA
- Cancer
- BPH
- UTI/ prostatitis (to postpone PSA for one month)
- Recent instrumentation of urinary tract
- Ejaculation or vigorous exercise in last 48 hours
- Urinary retention
Criteria for 2 week wait referral:
DRE hard nodular prostate
OR
Aged 50-69, PSA is >= 3.0 ng/ml
Prostate ca
Features (3)
- Bladder outlet issues: hesitancy/ urgency
- Haematuria
- Back/testicular/ perianal pain
Diagnostic Ix to confirm prostate ca
Who gets a biopsy?
MRI
Findings of MRI reported using a 5 point Likert scale
Likert scale is >=3 a multiparametric MRI-influenced prostate biopsy is offered
What is a Likert scale? How do you interpret this?
Findings of MRI reported using a 5 point Likert scale
Likert scale is >=3 a multiparametric MRI-influenced prostate biopsy is offered
Ix of choice for renal colic
When would you need to do it immediately?
Ix of choice for pregger
Pain management (2)
CTKUB non contrast within 24 hours
OR
USS for pregnant women
If fever or solitary kidney
- NSAIDs (any route) +/- IV paracetamol
- Opiates - tramadol
Mx of stones
What size will pass?
When is it an emergency?
Mx (2)
<5mm will pass on its own (usually within 4 weeks)
>5mm and signs of ureteric obstruction for emergency:
1. Nephrostomy OR
2. Ureteric stent + catheter
Mx of renal colic in non emergency settings >5mm (3)
- Lithotripsy (1st line)
- Ureteroscopy (if pregnant) (stent remains in for 4 weeks)
- Percutaneous nephrolithotomy (if complex renal calculi and staghorn calculi)
Name three types of stones in renal colic
- Calcium
- Oxolate
- Uric acid
How to prevent calcium stones (3)
- Fluids ++
- Low Na, low animal protein diet
- Thiazide diuretics
How to prevent oxolate stones
- Cholestyramine
2. Pyridoxine
How to prevent uric acid stones
- Allopurinol
2. PO bicarb
Penile cancer is what type of cancer
Squamous cell carcinoma
Penile ca RF (8)
- Age >50
- Balantitis - inflammation of the foreskin and head of penis
- Paraphimosis - foreskin is retracted and cannot be pulled back down
- Phimosis - foreskin cannot be retracted
- HIV
- HPV
- Poor hygiene
- Genital warts
Peripheral arterial disease management (4)
If that doesn’t work trial _______
- Not smoking
- Atorvastatin 80mg OD
- Clopidogrel
- Exercise training programme
If exercise programme doesn't work naftidrofuryl oxalate (vasodilator)
Management of acute limb (4)
- Angioplasty
- Stenting
- Bypass surgery
- Amputation
What is a hytadid cyst?
Diagnostic investigation
Tapeworm parasite Echinococcus granulosus
Causes cysts in liver and lung
CT
Biliary colic, jaundice, and urticaria think?
Hytadid cyst rupture in biliary tract
Below and lateral to the pubic tubercle hernia =
More common in multiparous women
Rx
Femoral
High risk of strangulation therefore surgery required
Above and medial to pubic tubercle hernia =
Inguinal
Lateral ventral hernia
Rare and seen in older patients
Spigellian
A hernia that typically presents with obstruction
More common in females =
Obturator hernia
Congenital inguinal hernia
Where do they come from?
R/L
Mx
Patent processus vaginalis
60% right sided
Surgery soon after diagnosis due to risk of incarceration
Infantile umbilical hernia
Where are they found?
Which race?
Mx
Symmetrical bulge under the umbilicus
More common in premature and Afro-Caribbean babies
Most resolve on their own by age 4-5 years
Causes of pancreatitis
Gallstones ERCP Trauma Steroids Mumps Autoimmune Scorpion bites High lipids, calcium, hypothermia, Ethanol Drugs (AZT, mesalazine, bendroflumethiazide, furosemide, pentamidine, steroids, sodium valproate)
Anal fissure
Acute
Chronic
<6 weeks
>6 weeks
Name three RFs for anal fissures
- Constipation
- Inflammatory bowel disease
- STIs e.g. HIV, syphilis, herpes
Mx anal fissures (5)
Acute
- Dietary advice - high fibre, high diet
- Bulk forming laxatives
- Lubricants
- Topical anaesthetic
- Topical steroids
Mx anal fissures
Chronic
- Topical GTN if not effective after 8 weeks, to refer to surgeons
Chronic straining and constipation =
Solitary rectal ulcer
Ano rectal abscess - common bacteria
E.coli + Staph Aureus
Proctitis common causes (2)
- IBD
2. C. diff
Most common bacteria causing ascending cholangitis
Charcot’s triad:
Rx
E coli 1. Fever, jaundice, RUQ pain Rx 1. IV abx 2. ERCP within 24-48 hours to remove obstruction
What is phimosis?
Foreskin cannot be retracted
What is paraphimosis?
Foreskin pulled back and cannot return to original position
What is balanitis?
Inflammation of the foreskin and head of the penis
What is balanitis xerotica obliterans?
Lichen sclerosis of male genitalia
Chronic, inflammatory skin disease
What is hypospadias?
Opening of the urethra is on the underside of the penis instead of at the tip
Management of rectal cancers:
- Anterior resection (needs at least 2cm distally)
2. Abdomino-perineal excision of rectum (APER)
When would you opt for the APER?
- Involvement of the sphincter complex OR
2. Very low tumours
Rectal cancer who needs chemo/ RT
T1 T2
T3
T4
T1T2 do not need chemo/ RT
Short course of chemo/ RT
Long course of chemo/RT
What type of surgery?
Anal verge
APER
What type of surgery?
Low rectum
Anterior resection
What type of surgery?
Upper rectum
Anterior resection
What type of surgery?
Sigmoid colon
High anterior resection
What type of surgery?
Distal transverse, descending colon
Left hemicolectomy
What type of surgery?
Caecal, ascending or proximal transverse colon
Right hemicolectomy