UROEPITHELIAL TUMORS TERRENCE C DEMOS MD DEPARTMENT OF
- Slides: 124
UROEPITHELIAL TUMORS TERRENCE C. DEMOS, MD DEPARTMENT OF RADIOLOGY LOYOLA UNIVERSITY MEDICAL CENTER
UROEPITHELIAL TUMORS INCIDENCE l URINARY BLADDER (94% OF ALL UROEPITHELIAL TUMORS) l RENAL PELVIS (5% OF ALL UROTHELIAL TUMORS) l URETER (1% OF ALL UROTHELIAL TUMORS)
UROEPITHELIAL TUMORS INCIDENCE l URINARY BLADDER (50 THOUSAND NEW CASES BLADDER CA/YEAR IN USA) M: F 3: 1 l RENAL CELL CARCINOMA OF KIDNEY (15, 000 THOUSAND NEW CASES/YEAR IN USA)
UROEPITHELIAL TUMORS RISK FACTORS l SMOKING l ANALGESICS § PHENACETIN § CYCLOPHOSPHAMIDE l OCCUPATIONAL CARCINOGENS § COAL, ASPHALT, TAR, PETROCHEMICALS, PLASTICS l PAPILLARY NECROSIS l FAMILIAL CANCER SYNDROMES – HEREDITARY NONPOLYPOSIS COLORECTAL CANCER (LYNCH II)
UROEPITHELIAL TUMORS COLLECTING SYSTEM DEVELOPES FROM FETAL MESONEPHROS UROEPITHELIAL CA: TRANSITIONAL CELL OR SQUAMOUS CARCINOMA DERIVED FROM l MESODERM l EPITHELIAL TISSUE RENAL PARENCHYMA DEVELOPES FROM METANEPHRIC BLASTEMA RENAL CELL CA: ADENOCARCINOMA DERIVED FROM l TUBULAR EPITHELIUM
UROEPITHELIAL TUMORS l 90% TRANSITIONAL CELL l 9% SQUAMOUS CELL l >1% – – ADENOCARCINOMA SARCOMA UNDIFFERENTIATED BENIGN MESODERMAL
UROEPITHELIAL TUMOR TRANSITIONAL, SQUAMOUS, AND SARCOMA ELEMENTS
TRANSITIONAL CELL CARCINOMA
TRANSITIONAL CELL CARCINOMA CLASSIFICATION PAPILLARY NONPAPILLARY
TRANSITIONAL CELL CARCINOMA l PAPILLARY TYPE 80% • 50% ARE INFILTRATIVE MALIGNANCIES l NONPAPILLARY TYPE 20% • ALL CONSIDERED TO BE MALIGNANT
PAPILLARY CARCINOMA INVASIVE VERSUS NONINVASIVE
NONPAPILLARY (FLAT) CARCINOMA INVASIVE VERSUS NONINVASIVE
TRANSITIONAL CELL TUMORS PATHOLOGIC CLASSIFICATION RANGE – WELL DIFFERENTIATED PAPILLOMA (GRADE 1) – MALIGNANCY RANGES FROM LOW-GRADE AND SUPERFICIAL TO HIGH-GRADE AND INVASIVE
UROEPITHELIAL TUMORS IMAGING MODALITIES EXCRETORY UROGRAM SONOGRAPHY RETROGRADE PYELOGRAM COMPUTED TOMOGRAPHY ANGIOGRAPHY
TRANSITIONAL CELL TUMORS GROSS APPEARANCE ON IMAGING STUDIES – SINGLE LESION § SMALL AND PAPILLARY TO BULKY AND SESSILE – MULTIPLE DISCRETE LESIONS – DIFFUSE AND CONFLUENT LESIONS
TRANSITIONAL CARCINOMA RENAL PELVIS
UROEPITHELIAL TUMORS PAPILLARY TYPE STIPPLED APPEARANCE
TRANSITIONAL CELL CA PAPILLARY TYPE STIPPLED APPEARANCE
TRANSITIONAL CELL CARCINOMA l TENDENCY TO BE MULTICENTRIC AND BILATERAL l BILATERAL IN UP TO 10% OF PATIENTS – (SYNCHRONOUS OR METACHRONOUS) l UP TO 1/2 OF PATIENTS WITH CA URETER OR PELVIS WILL DEVELOP BLADDER CARCINOMA
MULTIPLE TRANSITIONAL CELL CARCINOMAS
TRANSITIONAL CELL CARCINOMA PROGNOSIS l PATIENTS WITH A RENAL PELVIC PAPILLOMA • 1/4 WILL DEVELOP A CARCINOMA l PATIENTS WITH MULTIPLE PAPILLOMAS • 1/2 WILL DEVELOP A CARCINOMA l PATIENTS WITH BLADDER/URETER TRANSITIONAL NEOPLASM • 1/3 ALREADY HAVE ANOTHER BLADDER TCC
SQUAMOUS CARCINOMA
SQUAMOUS TUMORS l ASSOCIATED WITH INFECTION AND STONES, LEUKOPLAKIA l SQUAMOUS METAPLASIA OF TRANSITIONAL EPITHELIUM l MOST ARE SOLITARY l CAN BE PAPILLARY OR SESSILE l HIGHLY INVASIVE l OVERALL, POOR PROGNOSIS
HEMATURIA SQUAMOUS CARCINOMA INITIAL CT CT 8 MONTHS LATER
SQUAMOUS TUMORS l DIFFICULT TO RECOGNIZE DUE TO UNDERLYING DISEASE § INFECTION § STONES l OFTEN INVASIVE OR METASTATIC AT TIME OF DIAGNOSIS l PREDOMINENTLY EXTRALUMINAL l MAY APPEAR AS URETERAL STRICTURE
DISTAL URETERAL UROEPITHELIAL TUMOR SQUAMOUS CARCINOMA
UROEPITHELIAL NEOPLASMS IMAGING
UROEPITHELIAL TUMORS IMAGING COLLECTING SYSTEM CALYCES INFUNDIBULI PELVIS URETERS BLADDER
UROEPITHELIAL TUMORS RENAL PELVIS
TRANSITIONAL CELL CARCINOMA INVADES KIDNEY
LARGE, INVASIVE UROEPITHEAL TUMOR RENAL PELVIS
TRANSITIONAL CELL CARCINOMA RENAL PELVIS
HEMATURIA IVP 1 YEAR LATER TWO RETROGRADES INITIAL IVP
NONFUNCTIONING KIDNEY
TRANSITIONAL CELL CA PAPILLARY TYPE STIPPLED APPEARANCE
RENAL SINUS FAT, OPACIFIED CALYX, TUMOR
48 -YEAR-OLD WOMAN PERSISTENT ABDOMINAL PAIN CT ONE YEAR LATER
CT 10 mm VERSUS 5 mm COLLIMATION
TRANSITIONAL CELL CA PELVIS CT AND ANGIOGRAPHY
UROEPITHELIAL TUMORS CALYCES
TRANSITIONAL CELL CA CT IVP RETROGRADE
TRANSITIONAL CELL CA LOWER POLE CALYX
TRANSITIONAL CELL CARCINOMA CT, IVP, RETROGRADE PYELOGRAM
TRANSITIONAL CELL CARCINOMA DILATED CALYX IVP RETROGRADE
TRANSITIONAL CELL CA AMPUTATED CALYX
HEMATURIA 70/M IVP CT 1 YEAR LATER
TRANSITIONAL CELL CARCINOMA PAPILLARY TYPE WITH STIPPLING
TRANSITIONAL CELL CA SUBTLE
UROEPITHELIAL TUMORS URETER
GROSS HEMATURIA DISTAL URETERAL CA
UROEPITHELIAL TUMORS BERGMAN SIGN (RETROGRADE PYELOGRAM) GOBLET SIGN (EXCRETORY UROGRAM)
TRANSITONAL CARCINOMA OF URETER BERGMAN SIGN
HEMATURIA 52 -YEAR-OLD MAN IVP 1 YEAR LATER
TRANSITIONAL CELL CARCINOMA IRREGULAR DISTAL URETER STRICTURE
TRANSITIONAL CELL CA URETER IVP RETROGRADE
VOLUMINOUS RENAL PELVIS 84 -YEAR-OLD WOMAN
ATROPHIC KIDNEY DISTAL URETERAL TUMOR
ATROPHIC KIDNEY DISTAL URETER TRANSITIONAL CELL CA
ATROPHIC KIDNEY DISTAL URETER TRANSITIONAL CELL CA
PSEUDOURETEROCELE VERSUS SIMPLE URETEROCELE
UROEPITHELIAL TUMORS BLADDER
URINARY BLADDER CARCINOMA l M: F- 4: 1 l MOST COMMON AFTER 5 TH DECADE OF LIFE l 12, 000 DEATHS AND 50, OOO NEW CASES ANNUALLY l MEN 4 TH LEADING, WOMEN 10 TH LEADING CAUSE OF DEATH l EXCRETORY UROGRAPHY INSENSITIVE FOR DIAGNOSIS – BUT OPTIMIZE TECHNIQUE AND SCRUTINIZE BLADDER l CYSTOSCOPY
TRANSTIONAL CELL CARCINOMA BLADDER
URINARY BLADDER HALO SIGN
BOWEL GAS ETCHED IN WHITE NEOPLASM WITH NO WHITE HALO
URINARY BLADDER CARCINOMA
WHAT ABNORMALITIES ARE DEMONSTRATED ON THIS IVP
UROEPITHELIAL TUMORS TUMOR CALCIFICATION TRANSITIONAL CELL CARCINOMA SQUAMOUS CARCINOMA URACHAL CARCINOMA
SQUAMOUS BLADDER CA CALCIFIED
URACHAL CARCINOMA SQUAMOUS CARCINOMA
CYTITIS GLANDULARIS WITH PELVIC LIPOMATOSIS
URETHRA
TWO MEN WITH HEMATURIA LITTRE GLANDS TRANSITIONAL CA
UROEPITHELIAL NEOPLAMS STAGING
UROEPITHELIAL NEOPLAMS TNM STAGING l T 1 INVASION OF SUBEPITHELIAL CONNECTIVE TISSUE l T 2 INVASION OF MUSCULARIS l T 3 INVASION THRU MUSCULARIS INTO § PERIPELVIC FAT OR KIDNEY PARENCHYMA BY PELVIC LESION § INVASION OF PERIURETERIC FAT BY URETERAL LESION l T 4 INVASION INTO PERINEPHRIC FAT OR ADJACENT ORGANS l. N l. M
UROEPITHELIAL NEOPLAMS TNM STAGING T 1 AND T 2 (INVASION OF MUSCULARIS) § T 1 AND T 2 OFTEN NOT DIFFERENTIATED BY IMAGING STUDIES l T 3 INVASION THRU MUSCULARIS INTO § PERIPELVIC FAT OR KIDNEY PARENCHYMA BY PELVIC LESION § INVASION OF PERIURETERIC FAT BY URETERAL LESION • INFILTRATION OF FAT NOT SPECIFIC FOR TUMOR INVASION l T 4 INVASION INTO PERINEPHRIC FAT OR ADJACENT ORGANS • TUMOR ABUTTING BUT NOT INVADING MAY NOT BE DIFFERENTIATED BY IMAGING STUDIES l. N FALSE POSITIVE AND FALSE NEGATIVE LYMPH NODES • LARGE NODES WITHOUT TUMOR AND SMALL NODES WITH TUMOR
INVASION OF THE RENAL VEIN l. RENAL CELL CARCINOMA l RENAL PELVIS TRANSITIONAL CELL CA l ANGIOMYOLIPOMA
TRANSITIONAL CELL CARCINOMA INVADES KIDNEY
HEMATURIA 57/M IVP & CT 9 MONTHS LATER INITIAL CT
UROEPITHELIAL TUMOR STAGE 4
EXTENSIVE UROEPITHELIAL TUMOR
UROEPITHELIAL TUMORS METASTASES
D. D. OF A FILLING DEFECT COLLECTING SYSTEM OR URETER l l l STONE BLOOD CLOT NEOPLASM GAS BUBBLE CROSSING VESSEL PERISTALSIS PYELITIS / URETERITIS CYSTICA INFECTION / NECROTIC DEBRIS FUNGUS BALL LEUKOPLAKIA, MALAKOPLAKIA SLOUGHED PAPILLA, ABERRANT PAPILLA
URETEROPELVIC FILLING DEFECT
STONES
GROSS HEMATURIA URETERAL STONE
GROSS HEMATURIA STIPPLED URETERAL LESION
DETECTION OF STONES l EXCRETORY UROGRAM § DETECTS 75% OF ALL CALCULI l CT § DECTECTS >98% OF ALL CALCULI l SONOGRAPHY § SENSTIVE FOR RENAL PELVIS AND PROXIMAL URETERAL CALCULI § INSENSTIVE FOR DISTAL URETERAL CALCULI
RENAL STONE SONOGRAPHY
HEMATURIA CT WITH IV CONTRAST
GROSS HEMATURIA
BLOOD CLOT DIAGNOSIS OF HEMATOMAS l RADIOGRAPHS AND EXCRETORY UROGRAMS § NONSPECIFIC MASS EFFECT l COMPUTED TOMOGRAPY § ACUTE HEMORRHAGE HAS HIGH ATTENUATION § LATER, HEMATOMA APPEARS AS LOW DENSITY CYST l MAGNETIC RESONANCE IMAGING § MOST SENSITIVE FOR DIAGNOSING HEMATOMA • IN ACUTE, INTERMEDIATE, AND LATE STAGES OF EVOLUTION
HISTORY OF UROEPITHELIAL MALIGNANCIES NOW HAS HEMATURIA
BLOOD VESSEL CROSSING PELVIS
CROSSING BLOOD VESSELS l EXCRETORY UROGRAM § SMOOTH FILLING DEFECT • PERIPHERAL IF VIEW IN PROFILE • CENTRAL IF VIEWED ENFACE § INCONSTANT SHAPE l CONFIRM DIAGNOSIS § CT ANGIO § MR ANGIO
PYELITIS CYSTICA
URETERITIS, PYELITIS CYSTICA l SUBEPITHELIAL FLUID CONTAINING CYSTS l USUALLY SMALL BUT RANGE FROM 1 -20 MM l ASSOCIATED WITH CHRONIC INFECTION l PERSISTENT OR PERMANENT l MAY BE ASSOCIATED WITH CYSTITIS CYSTICA
URETERITIS CYSTICA
IMMUNE SUPPRESSED PATIENT TRANSPLANTED KIDNEY INFECTED URINE
URINARY TRACT INFECTION FUNGAL INFECTION l HISTORY OF PATIENT SHOULD BE OBTAINED l BACTERIAL URINARY TRACT INFECTIONS CAN PRODUCE DEBRIS CAUSING FILLING DEFECTS. l FUNGAL INFECTION CAN PRODUCE FUNGUS BALLS § CANDIDA ALBICANS MOST COMMON • IMMUNOCOMPRIMISED OR DEBILITATED PATIENTS
LEUKOPLAKIA
LEUKOPLAKIA l SQUAMOUS METAPLASIA OF TRANSITIONAL CELLS WITH PROLIFERATION & ATYPIA OF SQUAMOUS EPITHELIAL LAYER………PREMALIGNANT l CHOLESTEATOMA……. . MASS OF SHED MATRIAL l IMAGING OF PYELOCALYCEAL SYSTEM AND URETER • • • FOCAL OR WIDESPREAD IRREGULAR MARGINS IRREGULAR INTRALUMINAL MASS STONE DISEASE IN 1/2 CHRONIC INFECTION IS COMMON CARCINOMA IN UP TO 1/4
MALAKOPLAKIA
MALAKOPLAKIA OF BLADDER MICHAELIS-GUTMANN BODIES
MALAKOPLAKIA l GRANULOMATOUS RESPONSE TO E. COLI INFECTION l MACROPHAGES CONTAIN CYTOPLASMIC INCLUSION BODIES CALLED MICHAELIS-GUTMANN BODIES l AFFECTS ARE PART OF GU TRACT, BUT MOST COMMON IN BLADDER l IMAGING SHOWS MULTIPLE IRREGULAR FILLING DEFECTS l LOWER URINARY TRACT…. GOOD PROGNOSIS l DIFFUSE, MULTIFOCAL OR RENAL TX PATIENT…. POOR PROGNOSIS l NO MALIGNANT POTENTIAL
PAPILLARY NECROSIS
PAPILLARY NECROSIS EXCRETORY UROGRAM AND RETROGRADE PYELOGRAM § EARLY: SMALL, IRREGULAR COLLECTIONS OF CONTRAST IN PAPILLAE § LATE: IRREGULAR DILATION OF CALYCES • FILLING DEFECTS • SLOUGHED PAPILLA IN CALYX, RENAL PELVIS, OR URETER § SLOUGHED PAPILLAE THAT CALCIFY HAVE PERIPHERAL CALCIFICATION…. DIFFERENT THAN STONES § THE CONTOUR OF THE KIDNEY MAY BE WAVY DUE TO SELECTIVE ATROPHY OF CORTEX OVERLYING THE MEDULLARY SEGMENTS OF THE KIDNEY § ETIOLOGY: ANALGESICS, DIABETES, INFECTION with OSTRUCTION TUBERCULOSIS, SS DISEASE
PAPILLARY NECROSIS
UROEPITHELIAL TUMORS RETROGRADE PYELOGRAM
EDEMA OF RENAL PELVIS, URETER
ANTICOAGULATED PATIENT WITH HEMATURIA
URETHRAL PSEUDODIVERTICULI RISK OF MALIGNANCY
URETERAL PSEUDODIVERTICULI l SMALL (2 -5 MM) OUTPOUCHINGS l HYPERPLASIA OF TRANSITIONAL EPITHELIUM l RELATED TO CHRONIC INFECTION l ASSOCIATED WITH TRANSITIONAL CELL CA § HAVE PRECEDED MALIGNANCY BY 2 -10 YEARS § PATIENTS MUST BE CLOSELY MONITORED
RECURRENT URETERAL MALIGNANCY POST OP IN URETERAL STUMP
UROEPITHELIAL TUMORS EXCRETORY UROGRAM
EXCRETORY UROGRAM RENAL PELVIS l FILLING DEFECT • SINGLE OR MULTILPLE FILLING DEFECTS • SESSILE OR FLAT • SMOOTH, IRREGULAR, STIPPLED SURFACE l COLLECTING SYSTEM • • • DILATED CALYX DILATED COLLECTING SYSTEM AMPUTATED CALYX OR INFUNDIBULUM ATROPHIC KIDNEY NONFUNCTIONING KIDNEY l NEPHROGRAM • DEFECT DUE TO TUMOR INVASION OR COLLECTING SYSTEM OBSTRUCTION • MASS LIKE DEFECT
EXCRETORY UROGRAM URETER l CALIBER OF URETER • NORMAL CALIBER • DILATED PROXIMAL TO LESION – WITH DILATED COLLECTING SYSTEM – WITHOUT DILATED COLLECTING SYSTEM • NARROWED AT SITE OF LESION l URETER AT SITE OF LESION • GOBLET SIGN (BERGMAN SIGN) • STRICTURE – SMOOTH AND CIRCUMFERENTIAL – ECCENTRIC – IRREGULAR l MULTIPLE LESIONS
UROEPITHELIAL TUMORS COMPUTED TOMOGRAPHY
COMPUTED TOMOGRAPHY l SCANNING SEQUENCES • UNENHANCED • CORTICOMEDULLARY PHASE • NEPHROGRAPHIC PHASE • DELAYED – OPACIFY COLLECTING SYSTEM, URETER AND BLADDER l APPROPRIATE COLLIMATION
COMPUTED TOMOGRAPHY l FINDINGS SIMILAR TO EXCRETORY UROGRAPHY l NEED DELAYED SCANNING TO OPACIFY COLLECTING SYSTEM l NEED THIN COLLIMATION TO SHOW SMALL LESIONS l CT AFTER IVP IS VALUABLE TO DIFFERENTIATE TUMOR FROM • CROSSING VESSEL, STONE, PERIPELVIC FAT OR MASS l STAGING
UROEPITHELIAL TUMORS ANGIOGRAPHY
ANGIOGRAPHY l UROEPITHELIAL NEOPLASMS ARE HYPOVASCULAR y. LARGE TUMOR VESSELS ARE RARE y. TUMOR VESSELS MAY BE SUBTLE OR ABSENT l ABNORMAL VESSELS, WHEN PRESENT – CAN BE IDENTICAL TO NONMALIGNANT DISEASE – BE IDENTICAL TO POORLY VASCULARIZED RENAL CELL CA
BENIGN UROEPITHELIAL NEOPLASMS l MESODERMAL NEOPLASMS § SMOOTH MUSCLE § NEURAL § VASCULAR l PAPILLOMA GRADE 1 § CONSIDERED TO BE MALIGNANCY l INVERTED PAPILLOMA § RARE, ALMOST EXCLUSIVELY IN MEN l FIBROEPITHELIAL POLYPS
FIBROEPITHELIAL POLYP l FIBROUS TISSUE, SMOOTH MUSCLE, VESSELS, NERVE CELLS COVERED BY UROEPITHELIUM l MOST ARISE IN URETER l ELONGATED AND THIN, FINGER LIKE DISTAL BRANCHES l HIGHLY MOBILE
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