9 th international eaun meeting metastatic urological cancers 28 march 2008
TRANSCRIPT
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9th International EAUN Meeting
Metastatic Urological Cancers
28 March 2008
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9th International EAUN Meeting
Urothelial Cell Cancer
State of the Art
Laparoscopic Cyst(oprostat)ectomy with
Bricker urinary derivation Dr. L. Fossion, M.D., urologist, FeBU
Maxima Medical Center, Veldhoven, The Netherlands
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ContentIntroduction: Urothelial Cell Cancer (UCC) = bladder cancer
Indications for surgery
Surgical procedure: Open Radical Cyst(oprostat)ectomy (ORC) Laparoscopic Radical Cyst(oprostat)ectomy (LRC)
Advantages of laparoscopy
Results
Complications
Follow up
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Szent GyorgiNobel price of medecine 1953
There is only one way to avoid mistakes, it is to do nothing or at least to avoid doing something
new.State of the Art
Laparoscopic Cyst(oprostat)ectomy
with Bricker urinary derivation Dr. L. Fossion, M.D., urologist, FeBU
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Urothelial Cell Cancer (UCC)
• Frequency: 5th malignancy in Europe.• In Western World ~ in 95% UCC.• Intermittent, silent haematuria in 85-90%.• ♂ / ♀ : 2,5 / 1.• Typicaly in the 6th and 7th decade.• Before the 5th decade ~ good prognosis.
Introduction: Bladder Cancer
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Risk Factors
• Sigarets(25-60%).• Carcinogen-exposure(20-25%): chemicals,
rubber, textile, hair dyes, mineworkers, painters and
truckdrivers. Analgetics(phenacetine), ifosfamide and
cyclofosfamide. High doses saccharine and
cyclamate (= artificial sweeteners).
• Previous pelvic radiotherapy.• Hereditary. • Schistosomiasis (bilharziasis)
< in the Middle-East and Africa.
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Technical Examinations
• Urine analysis• Urine cytology• US kidneys and bladder• Cystoscopy• CT-scan uro• X-ray Tx or CT Tx• Bone scan
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Trans-Urethral Resection of Tumor
T-stageHistologic gradeType of tumorMetastases
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TNM-Classification
The penetration depth of the tumor in the bladder wall is
prognostic the main factor for urothelial cell carcinoma(UCC).
Histopathologic grade:G1 : Well differentiated
G2 : Moderately differentiated
G3 : Poorly differentiated
CIS: Carcinoma in situ
+
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Therapeutic options for UCC
Non-invasive UCC
TURT40 mg MMC bladder instillation
Second (re-)TURT
Follow-upMaintenance: MMC or BCG
Invasive UCC
TURT
Cystectomy
Radiotherapy
Chemotherapy
EORTC 30994
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Indications for Radical Cystectomy
Tumorinvasion in the detrusor, UCC - T2 G I-II
Recurrent, high grade, non-invasive tumor - T1 G III
Multiple, recurrent non-invasive UCCCIS resistent to BCGCIS in the prostatePrimary adenoca, squameuscellca, sarcoma, μ-papillary UCC
Salvage cystectomy post-radiotherapyCystectomy as palliation in symptomatic patientsRadiocystitis or interstitial cystitis
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Prognosis
Tumor stage pTa pT1 pT2 pT3 N+
5 yrs survival 88-90% 90% 46-78% 18-58% 50%
Stage, tumor ø and multifocality ~ recurrence and progression.
CAVE tumors > T2 in 30-80% occult metastases.
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Types of Urinary Derivations
• Incontinent:– Nephrostomy– Ureterocutaneostomy with 1 or 2 stoma’s– Uretero-ileostomy or Bricker urostoma
• Continent:– Kock pouch = uretero-ileo-sigmoidostomy– Benchekroun pouch– Mainz pouch = ileocaecal pouch with ileal nipple– Indiana pouch = appendico-ileocaecal segment– Mitrovanoff = appendicovesicostomy– Neobladder with urethro-neovesical anastomosis:
• Mansoura• Hautmann• Studer
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Ileal Conduit Indiana Pouch Reservoir Neobladder + Urethral-anastomose
Catheterisable
ContinentIncontinent Continent
Urinary Derivations
Orthotopic NeobladderHeterotopic Urinary Derivation
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Open Radical Cystectomy
Median LaparotomyOpening cavum Retzius
Clipping the bladder and the prostatic pedicles
= posterior dissection
Urethral dissection
Anterior dissection of the bladder
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Lap. Radical CystoprostatectomyThe new golden standard?
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Lap. Radical Cystoprostatectomy
Laparoscopic part: placement of the ports intraperitoneally• Opening of the peritoneal fold + perform a bilateral ext. PLND• Dissection till you see the pelvic floor (muscles)• Divide the hypogastric vessels/arteries and both ureters• Connecting the posterior peritoneal fold 2 cm above the Douglas pouch• Search for the 2 vasa deferentiae and seminal vesicles on the midline• Prevesical clipping of the ureter, but not intramural• Transection/sealing of both the vesical and the prostatic pedicles• Creation of the extraperitoneal space (Retzius) with the balloon• Transection of the urachus + umbilical cords + anterior peritoneal fold• Apical prostatectomy and clipping of the urethra
Open part:• Extraction of the specimen in the endobag• Connection of both infra-and supra-umbilical scars = mini-laparotomy• Creation of Bricker urostoma
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Videofragment LRC
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Advantages & disadvantages of LRCOutcome Criteria Lap Rad Cystectomy Open Rad Cystectomy
Blood Loss Decreased (~300 ml) Significant (1500–
1800 mL)
Perop fluid loss Decreased Significant
Postop pain Decreased Can be significant
Bowel functions Quick return Prolonged ileus
Postop recovery Days Weeks
Return to full activity Weeks Months
Operative time 5-13 hours 3-5 hours
Technical difficulty Highly advanced Advanced
Cost Expensive Relatively cheaper
Long term outcome Promissing to be equal Proven
Cosmetic Smaller scars Laparotomy
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Results
Fossion L. et al Ileal conduit 10 Assisted 7,4 800 4 14 1 uretero-ileal stricture + 1 wound herniation + 1 gastric necrosis
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But…
TrainingProblem solving
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Postoperative complications
• Mortality: 1-2%• Morbidity from cystectomy:
– Blood loss– Rectal injury– Vascular injury
• Morbidity from urinary derivation:– Intestinal obstruction: bowel ileus– Intestinal or urinary fistula
• Morbidity from surgery:– Lung emboly– Cardiac ischemia– Renal insufficiency
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Physiology
Creation of a neobladder using bowel: if the segment > 60 cm: Increase of bowel transit Malabsorption of bilary salts Steatorrhea, diarrhea Bacterial overgrowth Prolonged contact of hypo-osmolary urine with the reservoir
Hypovolaemic salt loosing Deshydratation Reabsorption of ammonium and chloride
Hyperchloraemic, hypokaliaemic metabolic acidosis
Results of metabolic acidosis:• Buffering of the skeleton (Ca2+)• Impairment of Vit D-synthesis• Increase of osteoclastic activation bone pain• Alk Fosfatasis
Bone disorders
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Late complications
• Steatorrhea < bilary salt and fat malabsorption• Vit B-12 malabsorption pernicious anemia• Metabolic acidosis• Elektrolyte disorders• Renal insufficiency
– Reflux nephropathy– Stenosis at the ureteroneovesical level
obstructive nephropathy• Stone formation < mucus, UTI and stasis• Enuresis nocturna & hypercontinent neobladder
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Some facts…
• 50-70% of all stoma-patients will have to deal with peristomal problems…
• Continent stomas are continent in 95%
• 40% of all continent stomas need surgical correction
• In 5% of all reservoirs a neoformative cancer occurs < nitrosamines
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Follow-up after Urinary Derivation
• Annual renal function evaluation• Labo: Hb, Hct, leuco’s, creat, Na, K, Cl, venous BG, Vit B-12,
AF, Ca2+, P, PTH
• US kidneys to exclude hydronephrosis• Urinary culture in case of fever• X-ray abdomen if suspect for urolithiasis / ileus• Encourage your patient to drink• Annual CT abdomen + X-ray Tx
oncological follow-up
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Take home messages
Maxima Medical Center, VeldhovenThe Netherlands
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Conclusion
• Laparoscopic cystectomy is the future• Advantages in this group of patients is
obvious• Advanced laparoscopic skills are
mandatory• Derivation: keep it simple!• Centralisation in specialised centers• Surgery = teamwork• Patient Care = teamwork• Encourage the younger generation!
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9th International EAUN Meeting
Urothelial Cell Cancer
State of the Art
Laparoscopic Cyst(oprostat)ectomy with
Bricker urinary derivation Dr. L. Fossion, M.D., urologist, FeBU
Maxima Medical Center, Veldhoven, The Netherlands