PMC9998551_01
Patient 1's pathology and immunohistochemistry. (A) Hematoxylin-eosin staining. (B) Hematoxylin-eosin staining.
fsurg-10-1048119-g001.jpg
PMC9998551_01_fsurg-10-1048119-g001.jpg
F1
The differentiation from von Brunn's nest was it was more dense and irregular, with different morphology, distinct atypical hyperplasia, significantly enlarged lumen, and mucus lakes in the interstitium (as shown in Figure 1).
PMC9998551_02
Patient 2's pathology and immunohistochemistry. (A) Hematoxylin-eosin staining. (B) Hematoxylin-eosin staining. (C) CDX-2(+). (D) GATA-3(+).
fsurg-10-1048119-g002.jpg
PMC9998551_02_fsurg-10-1048119-g002.jpg
F2
Immunohistochemistry showed the following: GATA3 (+), CK7 (+), CDX-2 (+), and Ki-67 (10%) (as shown in Figure 2).