Cytologic Detection of Urothelial Lesions - part 10 doc

... Index Background (cont.) high-grade urothelial carcinomas, 94, 104 107 diagnostic tumor cells and, 107 invasion, indicators of, 106 mimics of high-grade lesions, 66 mimics of low-grade lesions, 62 Bacteria, ... 60 comparison of major categories of conditions, 20 drug-induced atypias, 123 high-grade lesions mimics of, 66 papillary carcinomas, 89, 91 urothelial carcinom...

Ngày tải lên: 11/08/2014, 01:22

... Cytopathology. 2005 ISBN 0-3 8 7-2 330 4-0 2. D.L. Rosenthal and S.S. Raab: Cytologic Detection of Urothelial Lesions. 2005 ISBN 0-3 8 7-2 394 5-6 Cytologic Detection of Urothelial Lesions Introduction This ... 0-3 8 7-2 394 5-6 (alk. paper) – 0-3 8 7-2 394 7-2 (e-ISBN) 1. Urinary organs—Diseases—Cytodiagnosis. I. Raab, Stephen S. II. Title. III. Se...

Ngày tải lên: 11/08/2014, 01:22

... International Society of Urological Pathology consensus classification of urothelial (transitional cell) neoplasms of the urinary bladder. Am J of Surg Path 1998; 22:1435–1448. Koss LG: Diagnostic Cytology of the ... small dot-like nucleoli and abundant cytoplasm that is slightly frayed. (600x) Benign Cellular Changes 25 Figure 2.3. Benign Urothelial Cells—catheterized urine: A c...

Ngày tải lên: 11/08/2014, 01:22

... Diagnostic Categories Figure 2 .10. Normal Urothelial Cells—bladder washing: A fragment of basal urothelial cells is surrounded by single umbrella cells. Note the smaller nuclei of the basal cells when ... 2.15. Atypical Urothelial Cells Indeterminate for Neoplasia— renal pelvic brushing: This fragment of urothelial cells was originally con- sidered atypical without all the feat...

Ngày tải lên: 11/08/2014, 01:22

... authors, the cytologic diagnosis of low grade urothelial lesions is made with difficulty. One of the obvious reasons is that theselesions do not shedas readily as thehigher grade lesions, and ... papillary lesions of the urinary bladder can be considered cancerous. How- ever, the current general opinion, that the most treacherous lesions are the high grade sessile (flat) lesi...

Ngày tải lên: 11/08/2014, 01:22

... of extra-vesical urothelial lesions relys on the same criteria as lesions of the bladder. However, caution must be employed since the consequences of a false positive may result in loss of a kidney ... those of the umbrella cells in the lower portion of the photograph. (400x). Low Grade Urothelial Carcinoma 87 Figure 3.21. Low Grade Urothelial Carcinoma—ureteral brush: C...

Ngày tải lên: 11/08/2014, 01:22

... (400x) High Grade Urothelial Carcinoma 109 Figure 3.43. Invasive High Grade Urothelial Carcinoma—bladder wash- ing: Higher magnification of 3.42 verifies the malignant characteristics of the fiber cells ... against the di- agnosis of high grade urothelial carcinoma. Other cells in this photograph do not have vacuolated cytoplasm and are characteristic of high grade urothelial m...

Ngày tải lên: 11/08/2014, 01:22

... with glassy chromatin will re- sult. As in radiation change, the cytoplasm of urothelial cells is often vacuolated and sometimes contains particles of foreign ma- terial or neutrophils. Aberrant ... the rest of the field are a variety of malignant cells from a high grade urothelial car- cinoma. Compare the nucleus of the polyoma virus infected cell with the irregular nuclear shap...

Ngày tải lên: 11/08/2014, 01:22

... microscopist should re- sist the temptation to call a urothelial lesion “squamous” or “glan- dular” when areas of squamous or glandular metaplasia are encoun- tered in an otherwise clear-cut urothelial ... nucleoli. (600x) 5 Unusual Lesions Size limits of this volume preclude a complete description of the various uncommonlesionsof the urinary tract. The interested reader is referr...

Ngày tải lên: 11/08/2014, 01:22

... discordant. Diagnostic Yield of Urinary Cytology Dependance of Accuracy on Grade of Tumors Perhaps the most well summarized evaluation of the usefulness of urinary cytology in the detection of tumors of the urinary ... nega- tive evaluation for malignancy in the diagnostic investigation of haema- turia: how to follow up? J Clin Pathol 2004; 57:365–8. Wiener HG, Vooijs GP, an...

Ngày tải lên: 11/08/2014, 01:22