Ampullary adenocarcinoma

Breast-metaplastic carcinoma

Cardiac myxoma with glandular differentiation

Heart: myxoma

Liver: hepatocellular carcinoma, fibrolamellar variant

Lung adenocarcinoma: metastatic to ovary

Melanoma (uterus)

Nasal cavity: seromucinous hamartoma

Prostate: left-nephrogenic adenoma

Renal cell carcinomas (left to right): papillary-solid variant; tubulocystic

Ureter (normal)-Cytokeratin 7 (RN7) with
intense cytoplasmic staining (contributed
by Leica Microsystems, Biosystems Division)

Urethra: clear cell adenocarcinoma

Urothelial carcinoma: with glandular differentiation (fig 4)

Anal glands (left-fig E) and transitional zone (right, fig 1B) are CK7+

Anal gland carcinoma is CK7+ (fig C)

Bladder: carcinoid and urothelium are CK7+ (fig F)

Bladder (left to right): plasmacytoid carcinoma, urachal mucinous cystadenocarcinoma

Bladder/urethra: clear cell adenocarcinoma

Breast: Left-cylindroma; right-Paget's disease

Cervical adenocarcinoma: Left-intestinal type (fig C); right-signet ring type (fig C)

Cholangiocarcinoma: extrahepatic
(fig C) and gallbladder (fig A)

Colonic and lung carcinoma (fig D-F)

Endometrioid adenocarcinoma (fig C)

Kidney: left - chromophobe carcinoma-eosinophilic variant is CK7+ (fig 2C); right - oncocytoma has scattered CK7+ cells (fig 6)

Nasal cavity: inverted papilloma

Ovarian mucinous cystadenoma is CK7+ (5B),
but testicular mucinous cystadenoma (fig 3B)
and colonic epithelium (fig 4B) are negative

Pancreas: ductal adenocarcinoma (fig E)

Penis/scrotum: mucoid cyst

Prostate: left-nephrogenic adenoma;
right-adenocarcinoma (occasional CK7+ cells)

Barrett's esophagus (fig B)

Bladder: intestinal meteaplasia
and cystitis glandularis
(typical staining)

Cholangiocarcinoma: intrahepatic (fig A)

Choroid plexus papilloma

Endolymphatic sac tumor (fig A)

Kidney: metanephric adenoma,
papillary carcinoma, Wilm's
tumor

Lung adenocarcinoma: non-mucinous bronchioloalveolar (fig C); mucinous bronchioloalveolar (fig C)

Meningioma of middle ear / temporal bone

Mesothelioma with rhabdoid features (fig C)

Middle ear adenoma

Renal cell carcinomas (left to right): papillary (fig 3B); chromophobe

Salivary gland carcinomas (left to right): mucoepidermoid are CK7+ (fig B, E); adenoid cystic (fig B, E); salivary duct (fig B, E)

Seminal vesicle adenocarcinoma

Skin: left-Mercel cell carcinoma; right-various tumors

Various carcinomas (left to right): pancreatic-fig 1A, cholangiocarcinoma-fig 1C, urothelial-fig 1E; breast-fig 3A, ovary-fig 3C, lung-fig 3E, endometrium-fig 3G; colon-fig 4A, Merkel cell-fig 4C

Nasal cavity: respiratory epithelial
adenomatoid hamartoma