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Table 1 Immunohistochemical profiles of the two neoplasms

From: Concordant clear cell “mesonephric” carcinoma of the bladder and lung adenocarcinoma with clear cell features – multiple primaries versus metastatic neoplasms: a case report

  CK7 CK20 CEA CA-125 AMACR P53 TTF-1 Napsin A PAS-D/mucicarmine
TURBT (CCCB) Diffusely positive Focally positive Focally positive Positive Positive Focally positive Negative ND ND
Lung nodule Diffusely positive Negative ND Negative ND ND Positive Positive Positive
  1. Abbreviations: AMACR α-Methylacyl-coenzyme A racemase, CA-125 Cancer antigen 125, CCCB Clear cell carcinoma of the bladder, CEA Carcinoembryonic antigen, CK Cytokeratin, ND Not done, P53 Protein 53, PAS-D periodic acid-Schiff with diastase stain, TTF-1 Thyroid transcription factor 1, TURBT Transurethral resection of bladder tumor
  2. The immunohistochemical profiles of the CCCB and the lung adenocarcinoma with clear cell features are displayed