PMC9249496_01
Axial T2-weighted MRI image showing the caudal aspect of the tumor abutting the caudal aspect of the rectum/upper aspect of the anal canal with possible serosal invasion.
CRIU2022-7613482.001.jpg
PMC9249496_01_CRIU2022-7613482.001.jpg
fig1
There was also invasion into the mesorectal fat with suspected involvement of the caudal aspect of the rectal serosa/upper aspect of anal canal (Figure 1).
Representative histopathologic slides from transrectal prostate biopsy showing squamous cell carcinoma intimately mixed with glandular structures encircling a nerve (x400 magnification). IHC: immunohistochemistry; DPIN4 cocktail consisting of racemase, Ker903 (high-molecular weight cytokeratin), and p63.
CRIU2022-7613482.002.jpg
PMC9249496_01_CRIU2022-7613482.002.jpg
fig2
The patient underwent transrectal ultrasound-guided prostate biopsy (TRUS) which revealed a poorly differentiated squamous cell carcinoma moderately that was positive for p63 and Ker903 (Figure 2).
Axial chest CT scan showing a 5 mm solid pulmonary nodule suspicious for metastatic disease.
CRIU2022-7613482.003.jpg
PMC9249496_01_CRIU2022-7613482.003.jpg
fig3
Unfortunately, there was evidence of a new lung nodule suspicious for metastasis (Figure 3).