November 2020 - Dr. Tahera Iqbal (Mentored by Dr. Regina Gandour-Edwards)
76-year-old patient with diffuse pelvic pain and with history of BCG refractory high-grade urothelial carcinoma status post neoadjuvant chemotherapy with 2 cycles of gemcitabine/carboplatin. There was concern about invasion into the abdominal wall as well as potentially the rectum. Patient elected for exploratory laparotomy and possible resection. He was found to have a sigmoid colon lesion and a biopsy was sent for intraoperative consultation.
Immunohistochemistry of previous transurethral resection of bladder tumor (TURBT): CK7+, GATA3+.
Figure 1: Lower magnification (10X) of frozen section
Figure 2: Higher magnification (40X) of frozen section
Figure 3: H&E permanent section (20X)
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