Cancer Tissue Gallery Cytokeratin 14

Breast – KRT14 negative lobular carcinoma.

Colon – KRT14 negative colorectal adenocarcinoma.

Esophagus – Squamous cell carcinoma with stronger KRT14 staining in basal than in maturing cell layers.

Esophagus – Strong KRT14 immunostaining in all cells of a squamous cell carcinoma.

Kidney – KRT14 negative clear cell renal cell carcinoma.

Kidney – KRT14 negative oncocytoma.

Kidney – KRT14 negative papillary renal cell carcinoma.

Oral cavity – Squamous cell carcinoma with strong KRT14 positivity in all tumor cells.

Oral cavity – Strong KRT14 immunostaining in all cells of a squamous cell carcinoma.

Ovary – KRT14 negative high-grade serous carcinoma.

Pharynx – KRT14 positive squamous cell carcinoma.

Pharynx – Squamous cell carcinoma with a moderate to strong KRT14 immunostaining limited to basal cell layers.

Pharynx – Squamous cell carcinoma with strong KRT14 immunostaining in all tumor cells.

Pharynx – Squamous cell carcinoma with stronger KRT14 staining in basal than in maturing cell layers.

Prostate – KRT14 negative adenocarcinoma (Gleason 3+3=6). Few remnant KRT14 positive basal cells are visible.

Thyroid – KRT14 negative follicular carcinoma.

Urinary bladder – KRT14 negative urothelial carcinoma.