Fig. 4
From: Trichorhinophalangeal syndrome type 1 (TRPS1) in breast pathology: diagnostic utility and pitfalls
Metastatic urothelial carcinoma to the pelvis, with P63, TRPS1, and GATA3 immunostaining. 4A: H & E-stained section at 50X showing fibro-collagenous tissue with nests and clusters of metastatic carcinoma. 4B: H & E-stained section at 100X showing epithelioid tumor cells. 4C: P63 immunostaining revealing strong diffuse nuclear positivity. 4D: TRPS1 showing patchy weak nuclear positivity. 4E: GATA3 immunostaining showing negative staining in tumor cells