tumor urologi.ppt [Read-Only]ocw.usu.ac.id/course/download/1110000119-genitourinary...prostate ca...
Transcript of tumor urologi.ppt [Read-Only]ocw.usu.ac.id/course/download/1110000119-genitourinary...prostate ca...
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GENITOURINARY CANCER
Urology Division, Surgery Department
Medical Faculty,
University of Sumatera Utara
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BENIGN TUMORS
� Adenoma
� Oncocytoma
� AngiomyolipomaAngiomyolipoma
� Leiomyoma
� Lipoma
� Hemangioma
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1. Renal adenoma
� The most common benign renal parenchymal
lesion
� Small, well-diff glandular tumors of the
renal cortexrenal cortex
� Asymptomatic
� Should be treated of an early renal cancer
and the patient should be evaluated and
treated appropriately
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2. Renal oncocytoma
� 3 – 5% of renal tumor, �: �= 2 : 1
� Gross hematuria & flank pain in < 20%
� Radical nephrectomy is the safest method of
treatment unless other factors argue for a treatment unless other factors argue for a
conservative approach
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3. Angiomyolipoma (Renal hamartoma)
� Composed of fat, muscle & blood vessels
� Rare, 4 : 1 �
� Acute flank pain or shock due to spontaneous
renal or retroperitoneal hemorrhagerenal or retroperitoneal hemorrhage
� Asymptomatic tumors < 4 cm � followed
closely with serial imaging
� Symptomatic tumors or > 4 cm � selective
embolization or tumor enucleation by partial
nephrectomy
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MALIGNANT TUMORS
� The most common type of renal tumor is
renal cell carcinoma
� 80 – 85% of all renal cancers
� Survival is based on tumor stage� Survival is based on tumor stage
� Other types of kidney tumors include
metastatic lesions, sarcomas,
juxtaglomerular tumors and lymphomas
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ADENOCARCINOMA OF THE KIDNEY
(RENAL CELL CARCINOMA)
� 3% of adult cancer
� �: � = 2 : 1, 5th – 6th decades of life
� racial distribution is equal
� more common in urban settings� more common in urban settings
� = hypernephroma = clear cell carcinoma = alveolar carcinoma
� Etiology is unknwon
� Risk factor : Cigarret smoking � strongest
Obesity
Acquired renal cystic disease
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GRADING & STAGING
� Fuhrman system (I – IV)� most often used
� General classification system :
- Robson system
- TNM system- TNM system
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CLINICAL PRESENTATION
� Symptom & sign �
Classic triad : hematuria
flank pain
palpable masspalpable mass
� General symptom : weight loss, fever,
anemia, night sweats
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� Presenting symptoms associated with the primary tumor :
- hematuria
- mass - typically appreciated with lower
pole masses in thin patientspole masses in thin patients
- varicocele : typically on left side, will not
decompress when patient is supine
- edema, and lower extremity varices
associated with vena cava obstruction
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� Presenting symptoms associated with metastases :
- bone pain
- neurological symptom
- ascites
Paraneoplastic syndrome �� Paraneoplastic syndrome �
- erythrocytosis (1 – 5%)
- hypercalcemia
- hepatic dysfunction
- amyloidosis
- anemia
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Initial evaluation
� Physical examination
� Laboratory studies
- CBC
- serum electrolytes- serum electrolytes
- LFT
� Imaging for staging
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IMAGING EVALUATION
� Intravenous excretory urography
� Renal sonography
� CT
� MRI� MRI
� Angiography
� Radionuclide imaging
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TREATMENT FOR LOCALIZED DISEASE
� Radical nephrectomy is gold standard
� Partial nephrectomy
� Energy ablative techniques� Energy ablative techniques
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TREATMENT FOR METASTATIC RCC
� ∼ 30% of newly diagnosed cases of RCC are metastatic
� Associated with extremely poor survival
� Common sites : lung, bone, liver, brain, ipsilateral or contralateral kidneyor contralateral kidney
� Generally chemotherapy-resistant
� Disseminated disease
- surgery
- radiation therapy
- hormonal therapy
- radioimmunotherapy
- biologic response modifier
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PROGNOSIS
� related to the stage at presentation
� 5-yr survival rate for T1 � 88 – 100%
T2 & T3a � 60%T2 & T3a � 60%
T3b � 15 – 20%
with metastatic � 0 – 20%
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NEPHROBLASTOMA (WILMS TUMOR)
� The most common solid renal tumor of
childhood; 5% of childhood cancer
� 3rd year of life, no sex predilection
� Commonly unicentric, occur in either kidney � Commonly unicentric, occur in either kidney
with equal frequency
� Metastatic is present at diagnosis in 10 –
15%, with lungs (85-95%) and liver (10-15%)
the most common sites
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Clinical findings
� ¾ present with palpable abdominal mass,
smooth and rarely crossing midline
� Abdominal pain, anorexia, nausea &
vomiting, fever, hematuriavomiting, fever, hematuria
� Hypertension (25-60%)
� DD : hydronephrosis
cystic kidneys
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treatment
� Surgical
� Radiation
- radiosensitive
- its use complicated by potential growth
disturbances, recognized cardiac, pulmonary & disturbances, recognized cardiac, pulmonary &
hepatic toxicities
� Chemotherapy- chemosensitive neoplasm
- actinomycin D, vincristine, doxorubucin,
cyclophosphamide, etoposide, cisplatin
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SARCOMA OF THE KIDNEY
� Rare, 1-3% of all malignant renal neoplasm
� 5th decade, alight male predominance
� Flank or abdominal pain, weight loss
� Leiomyosarcoma (50%), fibrosarcoma, � Leiomyosarcoma (50%), fibrosarcoma,
liposarcoma,hemangiopericytomas,
osteogenic sarcoma, malignant schwannomas
� Radical nephrectomy for localized disease
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LYMPHOMA
� Primary renal lymphoma are extremely rare
� Kidney may be involved by either direct
extension or hematogenous spread
� Suspect lymphoma if the mass appears � Suspect lymphoma if the mass appears
infiltrating or multifocal, there is diffuse
adenopathy
� Biopsy warranted if lymphoma suspected
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CARCINOMA OF THE BLADDER
� 2nd most common urologic malignancy after
prostate ca
� ± 70% are superficial, 10 – 20% will progress to
muscle invasive diseasemuscle invasive disease
� Chance of tumor recurrence is ± 70 – 80%
� Environmental exposures are strongly
associated
� The most common histologic diagnosis is TCC
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etiologi
� Industrial carcinogens � aniline dyes, naphtylamin
� Tobacco exposure
� Chemotherapeutic agent
� Schistosomiasis� Schistosomiasis
� Pelvic irradiation
� Chronic irritation & infection
� Phenacetin
� Baldder exstrophy
� Coffee � not strong
� Saccharin � in experimental animal
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Epidemiology
� Age � 6th – 8th decades
� Race � twice in American men
� Gender � �: �= 3 : 1Gender � �: �= 3 : 1
� Genetics
� Demography � higher in US compared to
Japan
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Symptom
� Gross, painless hematuria
- most common (85% cases)
- intermittence is not a reason to exclude an
evaluationevaluation
- indicates cancer until proven otherwise
� Irritative voiding symptom � frequency, dysuria, urgency (frequently associated with CIS)
� Bladder filling defect on urography
� Unanticipated finding on cystoscopy
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Diagnosis
� History & physical examination
� Urine culture
� Urine cytology � highly specific
Flow cytometry� Flow cytometry
� Tumor markers
� Upper tract imaging
� Cystoscopy
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Pathology
� Epithelial dysplasia
� Carcinoma in situ
� Superficial TCC � 70%
� Muscle invasive TCC� Muscle invasive TCC
� Squamous cell ca
� Adenoca
� Sarcoma of the bladder
� Small cell carcinoma
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treatment
� Superficial bladder cancer
1. TURBT � - initial & standard therapy
2. Laser photocoagulation � less dyscomfort,
minimal bleedingminimal bleeding
3. Intravesical therapy
- weekly treatment
- mitomycin C, adriamycin, thiotepa, BCG, interferons
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� Muscle invasive TCC
1. radical cystectomy
2. partial cystectomy
3. radiation therapy3. radiation therapy
4. TUR
5. combined
6. adjuvant therapy
7. metastatic disease � MTX, vinblastine,
adriamycin
8. palliative therapy
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