Report 1 of 1
Riverside Community Hospital
DERMATOPATHOLOGY REPORT
Specimen
Final Diagnosis
Urothelial carcinoma in situ (CIS), low-grade. No invasive carcinoma identified.
Microscopic Description
Sections show flat urothelium with mild to moderate nuclear atypia, including slightly enlarged nuclei with mild hyperchromasia and maintained polarity. No papillary architecture is identified. The basement membrane is intact with no invasion into the lamina propria. Muscularis propria is not present in the specimen.
Gross Description
Received in formalin labeled 'Bladder biopsy, trigone TURBT' are multiple small tan-pink tissue fragments measuring 1.5 x 1.0 x 0.4 cm in aggregate. The specimen is submitted in its entirety in one cassette.
Clinical History
Painless gross hematuria.

Katherine A. Johnson, MD
Board Certified Dermatopathologist
Electronically signed out on date of report. This report has been electronically reviewed and validated.
Report 1 of 1
Riverside Community Hospital
DERMATOPATHOLOGY REPORT
Specimen
Final Diagnosis
Urothelial carcinoma in situ (CIS), low-grade. No invasive carcinoma identified.
Microscopic Description
Sections show flat urothelium with mild to moderate nuclear atypia, including slightly enlarged nuclei with mild hyperchromasia and maintained polarity. No papillary architecture is identified. The basement membrane is intact with no invasion into the lamina propria. Muscularis propria is not present in the specimen.
Gross Description
Received in formalin labeled 'Bladder biopsy, trigone TURBT' are multiple small tan-pink tissue fragments measuring 1.5 x 1.0 x 0.4 cm in aggregate. The specimen is submitted in its entirety in one cassette.
Clinical History
Painless gross hematuria.

Katherine A. Johnson, MD
Board Certified Dermatopathologist
Electronically signed out on date of report. This report has been electronically reviewed and validated.
Abstract
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