GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND ADENOMA” PATTERN Figure 6-26 GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND ADENOMA” PATTERN Polypoid tumor within a dilated branch duct. More about this image found in GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND AD...

GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND ADENOMA” PATTERN Figure 6-27 GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND ADENOMA” PATTERN Left: Densely packed, back-to-back tubular glands form an exophytic polypoid nodule. Right: The tubular ... More about this image found in GASTRIC-TYPE INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH “PYLORIC GLAND AD...

DUCTAL ADENOCARCINOMA Figure 7-11 DUCTAL ADENOCARCINOMA Left: A gland is adjacent to a muscular blood vessel without intervening pancreatic parenchyma. Right: Glands are adjacent to a muscular blood vessel without intervening acini or stroma. More about this image found in DUCTAL ADENOCARCINOMA Left: A gland is adjacent to a muscular blood vessel...

CHRONIC PANCREATITIS Figure 7-14 CHRONIC PANCREATITIS A benign gland approaches, but does not involve, a nerve. More about this image found in CHRONIC PANCREATITIS A benign gland approaches, but does not involve, a ne...

DUCTAL ADENOCARCINOMA Figure 7-23 DUCTAL ADENOCARCINOMA Foamy gland pattern (left, right), with microvesicular cytoplasm and a brush border-like zone. More about this image found in DUCTAL ADENOCARCINOMA Foamy gland pattern (left, right), with microvesicul...

DUCTAL ADENOCARCINOMA Figure 7-25 DUCTAL ADENOCARCINOMA The large gland pattern can be very well differentiated, as in this example, mimicking a cystic or intraductal neoplasm. More about this image found in DUCTAL ADENOCARCINOMA The large gland pattern can be very well differentia...

DUCTAL ADENOCARCINOMA Figure 7-29 DUCTAL ADENOCARCINOMA A “naked” gland is seen in fat, with no stroma separating the gland from an adipocyte. More about this image found in DUCTAL ADENOCARCINOMA A “naked” gland is seen in fat, with no stroma separ...

PANCREATOBLASTOMA Figure 10-5 PANCREATOBLASTOMA Left: Gland formation with columnar mucinous cells is rare. Right: The mucin is highlighted by mucicarmine staining. More about this image found in PANCREATOBLASTOMA Left: Gland formation with columnar mucinous cells is ra...

PANCREATIC NEUROENDOCRINE TUMOR Figure 12-31 PANCREATIC NEUROENDOCRINE TUMOR Left: Gland formation in PanNETs in the form of multiple lumens within a large tumor nest. Right: Individual glands, each surrounded by stroma, are uncommon. More about this image found in PANCREATIC NEUROENDOCRINE TUMOR Left: Gland formation in PanNETs in the fo...

PARADUODENAL CHRONIC PANCREATITIS Figure 15-24 PARADUODENAL CHRONIC PANCREATITIS Brunner gland hyperplasia. More about this image found in PARADUODENAL CHRONIC PANCREATITIS Brunner gland hyperplasia.

INTRADUCTAL TUBULOPAPILLARY NEOPLASM Figure 6-55 INTRADUCTAL TUBULOPAPILLARY NEOPLASM Left: Back-to-back tubular glands form a nodular tumor mass nearly filling a dilated duct. Right: A rim of residual non-neoplastic ductal epithelium surrounds the periphery of an intraductal tumor nodule. More about this image found in INTRADUCTAL TUBULOPAPILLARY NEOPLASM Left: Back-to-back tubular glands for...

INTRADUCTAL TUBULOPAPILLARY NEOPLASM Figure 6-56 INTRADUCTAL TUBULOPAPILLARY NEOPLASM A: Closely packed uniform glands with small lumens fill the duct, making the intraductal nature difficult to recognize. B: Transitions to non-neoplastic ductal epithelium (arrow) are only focal. C: Some glands... More about this image found in INTRADUCTAL TUBULOPAPILLARY NEOPLASM A: Closely packed uniform glands with...

CHRONIC PANCREATITIS Figure 7-15 CHRONIC PANCREATITIS Extremely rare examples of benign glands encroaching upon (left) or within (right) nerves. More about this image found in CHRONIC PANCREATITIS Extremely rare examples of benign glands encroaching ...

HEPATIC BILE DUCT HAMARTOMA Figure 7-42 HEPATIC BILE DUCT HAMARTOMA Glands with flattened epithelial lining and luminal bile. More about this image found in HEPATIC BILE DUCT HAMARTOMA Glands with flattened epithelial lining and lu...

DUCTAL ADENOCARCINOMA Figure 7-5 DUCTAL ADENOCARCINOMA A: Gross cross-section of an adenocarcinoma in the body of the pancreas with a normal downstream pancreatic duct (left), a small cancer (center), and dilatation of the upstream pancreatic duct (right). B: Gross cross-section of an adenocarci... More about this image found in DUCTAL ADENOCARCINOMA A: Gross cross-section of an adenocarcinoma in the b...

INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH ASSOCIATED TUBULAR-TYPE INVASIVE ADENOCARCINOMA Figure 6-29 INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH ASSOCIATED TUBULAR-TYPE INVASIVE ADENOCARCINOMA A: The intraductal component (top) gives rise to infiltrative clusters of cells and irregular gland... More about this image found in INTRADUCTAL PAPILLARY MUCINOUS NEOPLASM WITH ASSOCIATED TUBULAR-TYPE INVASI...

CARCINOMA EX SEROUS CYSTADENOMA Figure 4-30 CARCINOMA EX SEROUS CYSTADENOMA There are regions resembling a benign microcystic serous cystadenoma, with variably sized cysts and glands lined by cytologically bland cells (A), alternating with nests and sheets of polygonal clear cells with enlarged n... More about this image found in CARCINOMA EX SEROUS CYSTADENOMA There are regions resembling a benign micr...

BARTHOLIN GLAND Figure 1-20 BARTHOLIN GLAND Left: The Bartholin gland is composed of ducts and acinar tissue, the latter lined by my mucinous epithelium. Right: The ducts are lined by transitional epithelium, which can undergo squamous metaplasia, particularly following an inflammatory process. More about this image found in BARTHOLIN GLAND Left: The Bartholin gland is composed of ducts and acinar ...

DUCTAL ADENOCARCINOMA Figure 7-21 DUCTAL ADENOCARCINOMA Poorly differentiated ductal adenocarcinoma with minimal gland formation. More about this image found in DUCTAL ADENOCARCINOMA Poorly differentiated ductal adenocarcinoma with min...

LIPOMATOUS PSEUDOHYPERTROPHY Figure 15-43 LIPOMATOUS PSEUDOHYPERTROPHY Adipose tissue replaces pancreatic parenchyma in the head of the gland. More about this image found in LIPOMATOUS PSEUDOHYPERTROPHY Adipose tissue replaces pancreatic parenchyma...