Surgery Flashcards
Most common type of esophageal cancer?
Squamous cell CA
MEN Syndrome
MEN 1….PPP
MEN 2A..MPP (med, ca, Pheo,Parathyroid)
MEN 2B..MMP *med. CA, Mucosal nueroma, Pheo)
what is the screening in place for prostate cancer?
ALL men >50….voluntary yearly PSA
Pt with family history of prostate cancer, when to start screening if concerned?
40 years
Steroid regiment for steroid dependent individual going for surgery
100mg IV preop….
100mg IV intra op
100mg iv upto 24 hrs post op
then oral steroids when tolerated
hard throid nodule with elevated TSH, think?
Hashimotos thyroiditis
5 tests for the knee
- ACL ==Lachman test
- PCL==posterior draw test and posterior sag
- Meniscus injury ==Mcmurray test
- Collateral ligament== Varus and valgus test
- Patellar disloc==patellar apprehension test
Best ABX to cover abdominal surgery prophylactic?
Metronidazole +
Gent or cephazolin
Which Hernia is unlikely to strangulate?
Direct Hernias
MCC of acute limb ischemia?
Thrombosis
Tension pneumothorax, where to place needle and tube?
Needle = 2 intercoastal space mid clavicular
Tube = 5 th ICS mid Axillary
Pt with abdominal trauma, hemodynamically unstable, what to do?
FAST
Fracture of mid shaft of humerus, what nerve is affected?
Radial Nerve
Suspected urethral injury, what to do?
Retrograde Urethrogram
Common Peroneal nerve damage sign?
foot drop….inability to dorsiflex
Any male or post menopausal female with iron deficiency, what to do?
Refer for colonoscopy
Unknown hx of tetanus vaccination, what to do?
give both IVIG and toxoid
Unilateral neck mass with no symptom, most likely diagnosis
Multinodular goiter
Bilateral neck mass with no symptom, most likely diagnosis
Adenocarcinoma or carcinoma
Tx of choice for Pleomorphic Adenomas?
Superficial paroidectomy
Most common cardiac tumor?
Myxoma
MC complication of TURP?
UTI
Followed by bleeding
1st investigation in suspected esophageal malignancy?
Barium swallow
MC cause of bone tumor in pelvis of young adult?
Metastatic tumor
Tx of calcified gall bladder (porcelain)
Prophylactic cholecystectomy
Pt present to ER after blunt force trauma, FAST or CT?
Stable = CT Unstable = FAST
Which drug gives rebound htn when stopped suddenly?
clonidine (an alpha blocker)
Migratory superficial thrombophlebitis and DVT, suspect?
Pancreatic cancer
MC cause of large bowel obstruction in Australia?
Colon Cancer
Most useful inv. for detecting gallstones?
US
Melanoma and clear margins for excision
depth of 1mm —1cm clear margin required
2 - 4 mm —-1-2cm margin required
4mm —2cm margin required
when do you do prophylactic cholecystectomy?
gallstone >3cm or porcelin gallbladder
Pt after trauma presents to ER after lucid interval, suspect?
Epidural hematoma
investigation of choice in recurrent kidney stones?
US + X Ray
How to monitor secondary spread in seminoma?
LDH Lactate dehydrogenase
First line investigation for chronic pancreatitis? (2)
CT, if unavailble use US
Tx of Duputrens contracture?
Open fasciectomy
Liver and Pancreas
Amebic Liver Abscess
Causative organism……
Entameba Histolytica
Usually singe and located at upper lobe
Anchovy paste fluid
Abdominal pain, dysentery and bloody diarrhea
RUQ pain
Fever and chills
with travel History to endemic area vvvvvv imp
common presentation
Entameba Histolytica
Wbcs in Entameba Histolytica
increased
Stool analysis in Entameba Histolytica
trophozoites
CT Entameba Histolytica
cystic lesions
TTT Entameba Histolytica
ORAL METRONIDAZOLES
HYDATIC CYST
Causative organism
Initial Inv?
Best Inv?
Echinococcus granulosus
US
CT
Definitive host for HYDATIC CYST
dog
Many cases are asymptomatic
Abd pain, fever, and may be jaundice
CT presentation of HYDATIC CYST
Egg shell calcification of hepatic cyst
one big cyst with multiple daughter cysts
Risk for HYDATIC CYST if rutured
anaphylaxis if ruptured
if CT does not reveal it (HYDATIC CYST) do?
Serology
TTT of HYDATIC CYST
SURGERY under cover of albendazole
Liver malignancy
Primary shows?
Increased alpha fetoprotein
Less common than metastasis
CT in primary Liver malignancy
SOLITARY LESION
TTT of primary Liver malignancy
SURGERY, CHEMOTHERAPY, AND
INTRAHEPATIC EMBOLIZATION
Secondary Liver malignancy is from?
the colon
Much more common than primary
CT in Secondary Liver malignancy shows?
MULTIPLE SPOTS
HEPATIC ADENOMA is related to
OCP use
Benign rare tumour
Normal liver function test and alpha feto protein
Acute pancreatitis
Causes
Gall stones…Alcohol
Others…….trauma, infection, increase lipids TIL
Acute pancreatitis
Complications:
1 - Pseudocyst…..most common complications
Timing …………..within weeks,
Cp…………………..epigastric MASS,
Fate………………..usually resolve spontaneously
HAPPy PAD
When to drain Pseudo cyst??:
If persists more than 6 wks , size more than 6 cm, or if infected
How to drain Pseudo cyst?.
Endoscopic internal drainage to stomach
Most common early complication of Acute Pancreatitis
2 - ARF…………
Most common cause of acute pancreatitis
stones
Most common complication overall of acute pancreatitis?
pseudocyst
TTT of acute pancreatitis?
conservative
PANCREATIC CANCER Presentation
Sex……….usually male Age………old Most cancer causes death within 5 years Risk factors……SMOKING, DM, ALCOHOL Dull abdominal pain radiating to back Weight loss If at head…………deep jaundice Recurrent thrombophlebitis
Investigations of PANCREATIC CANCER:
Serum bilirubin
increased(direct)
DILATATION OF GALL BLADDER
what inv to do?
US…
MASS AT HEAD OF PANCREAS
BEST ( inv of choice) for Pancreatic cancer?
CT
TTT of Pancreatic cancer
Surgery…whipple’s operation
Symptomatic ttt of pancreatic cancer
stent
Causes of CHRONIC PANCRATITIS (2)
alcoholism…..cystic fibosis…
Levels of Amylase and lipase in chronic pancreatitis?
normal
CT of CHRONIC PANCRATITIS shows?
THE BEST …..calcification
TTT of CHRONIC PANCRATITIS
PANCREATIC ENZYMES REPLACEMENT
Nephrolithiasis Presentation
Sudden onset flank pain
Colicky pain referred to the scrotum
Nausea and vomiting
Hematuria
Imaging Investigation of Nephrolithiasis:
Best:
In pregnancy
Before surgery what imaging?
Tx?
Best………… (non contrast) CT
Pregnant with renal stones………ultrasound
…….X-Ray
Best analgesic outside the hospital………NSAIDS
Most kidney stones are visible
majority are radiopaque
MOST COMMON renal stones?
Ca oxalate
Uric acid are what kind of stones?
radiolucent
Struvite stone……….alkaline urine………proteus
Treatment of kidney stones
Excess rehydration and thiazide with all cases
ureteric stones :
First line of ttt
Ureteroscopic laser lithotripsy for stones at any level
Kidney stones
If less than 2 cm
ESWL
Kidney stones More than 2 cm
Percutaneous nephrolithotripsy
Staghorn stone
Open nephro- or pyelo-Lithotomy
Young pt complains of flank pain asking for strong analgesic first step
drug screen by urine analysis ……take sample in front of you
Kidney stones Recurrence rate
50% within 5 years
Definitive treatment of:
ureteric stones :
First line of ttt
Ureteroscopic laser lithotripsy for stones at any level
Kidney stones tx
<0.5 conservative
If less than0.5 - 2 cm………ESWL
More than 2 cm……… Percutaneous nephrolithotripsy
Staghorn stone………………….. Open nephro- or pyelo-lithotomy
Indications of surgery with renal stones:
1 - obstruction and infection ….. Most absolute indication…vvvvvvvvvvvvvvvv imp
2 - too large to pass
3 - pain cannot be controlled
Inv that should be done before going to surgery on renal stones
X-Ray….vvvvvv imp
Most common cause of fever after urology procedure…
ttt
bacteremia Urosepsis
Empirical antibiotics……….amoxycillin and gentamycin
Renal cell carcinoma presentation
INV
TTT
Triad of;
Flank pain
Hematuria
Renal mass
CT
Biopsy……..(better to be avoided)
………..surgery ( Total Nephrectomy)…vvv imp
Incidental discovery of renal mass:
IF OLD AGE:
First step
Imaging of choice for surveillence
TTT of choice
……….active surveillance
………CT
………Total nephrectomy