1-20 of 9120 Search Results for

tumor

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
Book Cover Image
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  A multinodular tan to pink <span class="search-highlight">tumor</span> has areas...
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
CYSTIC PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Left: The <span class="search-highlight">tumor</span> is well circumscrib...
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
GASTROINTESTINAL STROMAL <span class="search-highlight">TUMOR</span> (GIST)  The cut surface of the <span class="search-highlight">tumor</span> abut ti...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Smaller <span class="search-highlight">tumors</span> are well circumscribed (A) ...
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
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
VHL-ASSOCIATED SEROUS CYSTADENOMA AND NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Both small sero...
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
INTRADUCTAL TUBULOPAPILLARY NEOPLASM  Left: Solid nodular <span class="search-highlight">tumor</span> within the ...
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
MIXED ACINAR-DUCTAL CARCINOMA  The firm, solid, pink-tan <span class="search-highlight">tumor</span> in the head ...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span> (PanNET)  In a computerized tomography (CT)...
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
CYSTIC PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  CT of a central unilocular cyst pre...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  A PanNET in a patient with neurofibromatos...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Smaller PanNETs are well circumscribed and...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Left: In this patient with MEN1, there are...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Polypoid extension into the pancreatic duc...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  Left: Yellow areas signify the presence of...
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
PANCREATIC NEUROENDOCRINE <span class="search-highlight">TUMOR</span>  A small, sclerotic, periductal PanNET (lef...
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