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.