WELCOME
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Transcript of WELCOME
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WELCOME
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Bladder Cancer
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INTRODUCTION
GENERAL OBJECTIVE: To gain in depth knowledge regarding
CANCER OF URINARY BLADDER.
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SPECIFIC OBJECTIVES:
SPECIFIC OBJECTIVES: After completing the seminar students will be able to:
Enumerate the etiological factors of urinary bladder cancer (ca. bladder),
Illustrate clinical manifestations. Describe the management of Ca bladder To enlist the complications occurring due
to same disease
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DEFINATION
Bladder cancer is a cancerous tumor in the bladder -- the organ that holds urine
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Epidemiology of Bladder CA
4th most common CA in men, 9th in women,
Annual New Cases = 68,810 (51,230 in M & 17,580 in F) M:F = 3:1
Annual Deaths = 14,100 (7,750 in M & 4,150 in F)
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Risk Factors for Bladder CA
Age, Gender, Race
Cigarette smoking (2-4x higher relative risk)
Exposures to environmental carcinogens: Occupational - Polycyclic aromatic hydrocarbons,benzene,
exhaust from combustion gases, aryl amines dry cleaners; manufacturers of preservatives, dye, rubber, & leather;
pesticide applicators; painters; truck drivers; hairdressers; printers; machinists
Pelvic radiation therapy Arsenic (eg. in drinking H2O)
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Risk Factors for Bladder CA
Infections Schistosoma haematobium (N Africa) Inc’d risk for
squamous & transitional cell CAR Chronic UTIs, chronic bladder stones, indwelling Foleys
inc’d risk for squamous cell CAR
Other Prior h/o bladder CA Low fluid intake (inc’d exposure to carcinogens via dec’d
bladder emptying) Genetics (eg, Retinoblastoma gene) Bladder birth defects (eg, persistent urachus) inc’d risk
for adenocarcinoma.
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ANATOMY AND PHYSIOLOGY
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Pathophysiology
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Clinical Manifestations of Bladder CA Hematuria (80-90%) – Generally painless and gross
hematuria However, 20% can have only microscopic hematuria
Other urinary Sxs Frequency, urgency, nocturia – d/t irritative Sxs or dec’d
bladder capacity
Pain (less common & often reflects tumor location) Lower abdominal pain – Bladder mass Rectal discomfort & perineal pain – Invasion of prostate or
pelvis. Flank pain - Obstruction of ureters
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Continue…
Lower extremity edema from iliac vessel compression,
Physical: occasionally an abdominal or pelvic mass may be palpable.
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Dx of Bladder CA
Pts w/ hematuria, especially if > 40 yrs Urinary Cytology- microscopy, culture to rule out
infection,
USG- abdomen & pelvis,
CT abdomen & pelvis with preinfusion & post infusion phases,
Cystoscopy, regardless of cytology results (mainstay of dx)
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Retrograde pyelography in patients in whom contrast CT scan can’t be performed because of azotemia or due to severe allergy to IV contrast,
Transurethral resection of all visible tumors to determine histology & depth of invasion
Biopsies of erythematous (& possibly normal) areas to assess for CIS
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STAGES Stage 0 -- Non-invasive tumors that are only in the bladder
lining
*Stage I -- Tumor goes through the bladder lining, but does not reach the muscle layer of the bladder
*Stage II -- Tumor goes into the muscle layer of the bladder
*Stage III -- Tumor goes past the muscle layer into tissue surrounding the bladder
*Stage IV -- Tumor has spread to neighboring lymph nodes or to distant sites (metastatic disease)
Stage V--*Prostate 2)Rectum 3)Ureters 4)Uterus 5)Vagina 6)Bones 7)Liver 8)Lungs
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Treatment: Medical(Ta, T1, CIS): non muscle invasive1. Intravesical immunotherapy:
Indications Adjuvant tx w/ resection to prevent recurrence Eliminate disease that cannot be controlled by
endoscopic resection alone (less common) Recurrent disease, > 40% involvement of
bladder surface, diffuse CIS, T1 dz Generally not needed for solitary papillary
lesions
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Agents Std agent -- BCG
Generally 6 weekly txs then monthly maintenance x 1-3 yrs
Toxicities = Bladder irritability / spasm, hematuria, dysuria, & rarely systemic TB
Other agents – Mitomycin-C, Interferon, Gemcitabine
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For muscle invasive disease (T2 & greater) Neo-adjuvant chemo x 12 wks prior to
cystectomy Inc’d 5-yr dz-free survival MVAC (Methotrexate, Vinblastine,
Doxorubicin, Cisplatin) – 3 cycles q 28 days
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Surgical Rx: For Ta, T1, CIS (non muscle invasive)1. Endoscopic treatment: TURBT- To dignose, to stage, to treat visible
tumors. Electrocautry or LASER fulguration of bladder
is sufficient for low grade, small volume tumors.
2. Radical cystectomy: Patients withunresectable, prostatic urethra
involvement & BCG failure are indications for this procedure.
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Muscle invasive disease: T2 & greater
1. Radical cystoprostectomy: (men) Remove the bladder, prostate & pelvic
lymph nodes. After removal of bladder, urinary diversion
must be created. Types:
Continent,
Incontinent.
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2. Radiation therapy:
External beam radiation therapy has been shown to be inferior to radical cystectomy.
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Complications:
Body image disturbances, Skin irritation, Recurrence, Infertility in women as uterus is removed, Infertility in men if prostate is removed, Menopause if ovaries are removed, Sexual disturbances if vagina has been made
shorter, Metastasis to distant organs.
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Nursing Diagnosis:
Dysurea related to disease condition, Disturbed sleep pattern due to urgency &
frequency of micturition, Acute pain related to disease condition, Altered nutrition secondary to pain due to
disease condition, Anxiety related to surgery, Disturbed body image related to surgery.
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Research evidence:
A research carried out by “Yursh Xia 4th military medical university” states that, “Adjuvant Radiotherapy in addition to cystectomy also increases survival rates.”
A research by “Dept of Urology Health Science, Centre West Virginia Morgan Town” says that “Garlic can be used an immunotherapy besides BCG.”
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SUMMARY
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CONCLUSION
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Harrison’s Internal Medicine Cecil Textbook of Medicine Cancer: Principles & Practice of Oncology National Cancer Institute website American Cancer Society website
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THANK YOU