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Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
DOI:
10.55418/9781933477268-3
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... squamous cell carcinomas, metastatic high-grade serous carcinoma colonizing the squamous mucosa, and epithelioid trophoblastic tumor. Level sections are useful in uncovering diagnostic features of invasion in the setting of a poorly sampled invasive squamous cell carcinoma, although...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
DOI:
10.55418/9781933477268-4
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... VAGINAL SQUAMOUS CELL CARCINOMA The tumor shows irregularly shaped and variably sized nests of atypical squamous epithelium with focal keratinization. INVASIVE SQUAMOUS CELL CARCINOMA, POORLY DIFFERENTIATED Figure 4-9 INVASIVE SQUAMOUS CELL CARCINOMA, POORLY DIFFERENTIATED This tumor may be difficult...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
DOI:
10.55418/9781933477268-5
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... invasion) Verrucous carcinoma (dyskeratosis, epithelial pallor, absence of HPV nucleic acids) Conventional condyloma (absence of tumor cell nests in underlying stroma) Conventional HPV-negative verruciform VSCC (interface atypia and infiltrative invasion) HPV-associated VSCC Basaloid or warty...
Book
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
DOI:
10.55418/9781933477275
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-10 PANCREATIC NEUROENDOCRINE TUMOR A multinodular tan to pink tumor has areas of infarct-like necrosis (yellow) and infiltrates adjacent pancreatic tissue (lower right). More
Images
Published: 01 March 2023
CYSTIC PANCREATIC NEUROENDOCRINE TUMOR Figure 12-14 CYSTIC PANCREATIC NEUROENDOCRINE TUMOR Left: The tumor is well circumscribed and has a single, central cystic cavity. The pancreatic duct is not involved. Right: The cyst lining is smooth and hemorrhagic. Only a thin rim of preserved tumor tiss... More
Images
Published: 01 March 2023
GASTROINTESTINAL STROMAL TUMOR (GIST) Figure 13-13 GASTROINTESTINAL STROMAL TUMOR (GIST) The cut surface of the tumor abut ting the pancreatic tail is firm and white to tan. More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-17 PANCREATIC NEUROENDOCRINE TUMOR Smaller tumors are well circumscribed (A) and some are surrounded by a fibrous pseudocapsule (B), but infiltration into adjacent tissues is common (C). More
Book Chapter
Book: Tumors of the Pancreas
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
DOI:
10.55418/9781933477275-02
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
.... Mixed acinar-ductal carcinoma iii. Mixed acinar-neuroendocrine-ductal carcinoma B. Neuroendocrine neoplasms 1. Neuroendocrine microtumor (<0.5 cm) 2. Pancreatic neuroendocrine tumor (PanNET) a. Nonfunctioning PanNET b. Functioning and hormone-producing PanNETs...
Images
Published: 01 March 2023
VHL-ASSOCIATED SEROUS CYSTADENOMA AND NEUROENDOCRINE TUMOR Figure 4-19 VHL-ASSOCIATED SEROUS CYSTADENOMA AND NEUROENDOCRINE TUMOR Both small serous neoplasms (A, top) and a neuroendocrine tumor (A, bottom) are present in this patient with VHL. The serous neoplasms are microcystic (B) and some are... More
Images
Published: 01 March 2023
INTRADUCTAL TUBULOPAPILLARY NEOPLASM Figure 6-54 INTRADUCTAL TUBULOPAPILLARY NEOPLASM Left: Solid nodular tumor within the main pancreatic duct in the head of pancreas extends to the ampulla of Vater. Right: Well-demarcated nodular tumor (yellow area) in the head of the pancreas with almost comp... More
Images
Published: 01 March 2023
MIXED ACINAR-DUCTAL CARCINOMA Figure 9-46 MIXED ACINAR-DUCTAL CARCINOMA The firm, solid, pink-tan tumor in the head of the pancreas has somewhat ill-defined borders. More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR (PanNET) Figure 12-6 PANCREATIC NEUROENDOCRINE TUMOR (PanNET) In a computerized tomography (CT) scan, this multi-nodular, variably enhancing mass replaces much of the pancreatic tissue. More
Images
Published: 01 March 2023
CYSTIC PANCREATIC NEUROENDOCRINE TUMOR Figure 12-7 CYSTIC PANCREATIC NEUROENDOCRINE TUMOR CT of a central unilocular cyst present in a well-circum-scribed tumor involving the pancreatic tail. More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-8 PANCREATIC NEUROENDOCRINE TUMOR A PanNET in a patient with neurofibromatosis shows adjacent neointimal vascular alteration (top). More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-9 PANCREATIC NEUROENDOCRINE TUMOR Smaller PanNETs are well circumscribed and displace the pancreatic duct (left). They are often tan to yellow and moderately firm (right). More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-11 PANCREATIC NEUROENDOCRINE TUMOR Left: In this patient with MEN1, there are multiple well-circumscribed tumors (large arrows) associated with numerous microtumors (small arrows). Right: There is nodular extension into the spleen. More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-12 PANCREATIC NEUROENDOCRINE TUMOR Polypoid extension into the pancreatic duct (left, arrow) or large peripancreatic veins (right, arrow). More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-13 PANCREATIC NEUROENDOCRINE TUMOR Left: Yellow areas signify the presence of lipid within the PanNET. Right: Red, hypervascular regions alternating with yellow, lipid-rich regions simulate the gross appearance of conventional renal cell carcinoma in a p... More
Images
Published: 01 March 2023
PANCREATIC NEUROENDOCRINE TUMOR Figure 12-15 PANCREATIC NEUROENDOCRINE TUMOR A small, sclerotic, periductal PanNET (left) causes dilatation of the upstream duct (center, right). More
