Skip Nav Destination
Close Modal
1-20 of 902 Search Results for
tract
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
1
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-04
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
...INFLUENZA General Considerations, Including Etiology and Synonyms Influenza, also known as flu, grippe, or catarrh, is a viral infectious disease affecting primarily the respiratory tract. Viruses causing influenza belong to the Orthomyxoviridae family, enveloped...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-05
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... includes lymphocytes, plasma cells, and macrophages, which may be present in relation to necrotic hepatocytes, as well as in the portal tracts. ACUTE VIRAL HEPATITIS Figure 5-2 ACUTE VIRAL HEPATITIS A: Single cell dropout (spotty necrosis) at left, and more extensive confluent necrosis at top right...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-12
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... ). There are over 90 serotypes of S. pneumoniae, some causing disease and others merely colonizers of the respiratory tract. Interestingly, the bacterium, also known as pneumococcus, can change serotypes as it naturally acquires DNA from other bacteria. STREPTOCOCCUS PNEUMONIAE Figure 12...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-13
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
...OVERVIEW Acute Bacterial Gastrointestinal Infections Diarrheal disease due to gastrointestinal tract (GIT) infections is a major global health problem and remains one of the leading causes of child morbidity and mortality worldwide ( 1 ). Although a specific pathogen cannot be identified...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-21
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... Blastomyces organisms showing broad-based budding in a skin specimen in 1894 ( 4 ). In 1951, Schwarz and Baum defined the portal of entry of this fungus as the respiratory tract ( 5 ). There is paleopathologic evidence that blastomycosis already occurred in Late Woodland Native Americans who lived in the east...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-22
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... for the same species have resulted in seeing a variety of names for the same genus (some presented in Table 22-1 ( 1 ). The fungi are important normal human commensals, mainly found on the skin, as well as mucosa of the oral cavity, gastrointestinal tract, and female genital tract. Infection is typically...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-26
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... abscess may be complicated by perforation and secondary amebic peritonitis, as well as direct extension to the abdominal wall and thoracic structures such as the pleura, lung, and pericardium. There may be associated fistulous tract formation. Hematogenous (metastatic) dissemination can lead...
Images
Published: 01 September 2024
LIVER IN EARLY HIV INFECTION Figure 9-21 LIVER IN EARLY HIV INFECTION A: Portal tract with a reactive lymphoid follicle. B: HIVp24 immunohistochemistry in liver portal tract lymphoid follicle shows virus in dendritic cells. More about this image found in LIVER IN EARLY HIV INFECTION A: Portal tract with a reactive lymphoid foll...
Images
Published: 01 September 2024
VANISHING BILE DUCT SYNDROME Figure 9-26 VANISHING BILE DUCT SYNDROME The central portal tract has an absent bile ductule that has disappeared in the chronic inflammation. More about this image found in VANISHING BILE DUCT SYNDROME The central portal tract has an absent bile d...
Images
Published: 01 September 2024
LIVER HISTOPATHOLOGY IN LASSA FEVER Figure 10-8 LIVER HISTOPATHOLOGY IN LASSA FEVER Portal tract inflammatory infiltrate and foci of necrosis (A), as well as apoptotic hepatocytes (B) are seen. (Courtesy of the CDC IDPB) More about this image found in LIVER HISTOPATHOLOGY IN LASSA FEVER Portal tract inflammatory infiltrate a...
Images
Published: 01 September 2024
CONGENITAL SYPHILIS Figure 18-9 CONGENITAL SYPHILIS The wall of the intestinal tract (A) and liver (B) are involved. Note the scattered plasma cells. More about this image found in CONGENITAL SYPHILIS The wall of the intestinal tract (A) and liver (B) are...
Images
Published: 01 September 2024
BASIDIOBOLUS INFECTION OF THE GASTROINTESTINAL TRACT Figure 21-43 BASIDIOBOLUS INFECTION OF THE GASTROINTESTINAL TRACT A: Prominent eosinophil infiltration is seen with H&E stain. B: Characteristic pauciseptate, broad ribbonlike hyphae seen with a PAS stain. More about this image found in BASIDIOBOLUS INFECTION OF THE GASTROINTESTINAL TRACT A: P...
Images
Published: 01 September 2024
TUBERCULOUS GRANULOMAS Figure 12-49 TUBERCULOUS GRANULOMAS Small tuberculous granulomas in the gastrointestinal tract (A). A long, slender, acid-fast bacillus is at the center of the field (B). More about this image found in TUBERCULOUS GRANULOMAS Small tuberculous granulomas in the gastrointestina...
Images
Published: 01 September 2024
DISSEMINATED PNEUMOCYSTOSIS Figure 21-23 DISSEMINATED PNEUMOCYSTOSIS A,B: The characteristic foamy exudate is seen. Gastrointestinal tract involvement, with organisms highlighted on GMS (right). (Courtesy of Dr. R. Geller, Emory University, Atlanta, GA) C,D: Tumoral middle ear spread in an indiv... More about this image found in DISSEMINATED PNEUMOCYSTOSIS A,B: The characteristic foamy exudate is seen....
Images
Published: 01 September 2024
ACUTE VIRAL HEPATITIS Figure 5-2 ACUTE VIRAL HEPATITIS A: Single cell dropout (spotty necrosis) at left, and more extensive confluent necrosis at top right. Note the dark eosinophilic cytoplasm and pyknotic nuclei of the degenerated liver cells. B,C: Degeneration of large numbers of adjacent hep... More about this image found in ACUTE VIRAL HEPATITIS A: Single cell dropout (spotty necrosis) at left, an...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-16
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... syndrome) and hypercoagulability states, particularly those associated with malignancy. Adenocarcinomas, particularly mucin-secreting tumors of the lung, pancreas and biliary tract, ovary, gastrointestinal tract, and of unknown primary, are the most frequent underlying malignancies ( 1 ). Epidemiology...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-09
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
..., the gastrointestinal tract, is infected with irreversible destruction of much of its gut-associated lymphoid tissue (GALT). This initial infection phase produces a transient spike of blood HIV infection and a corresponding brief drop in peripheral blood CD4-positive T-cell count (known as “CD4 count”). This phase...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-11
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... foods can occur after pasteurization, processing, and listericidal application, and before the food is packed and refrigerated. L. monocytogenes is transient in the gastrointestinal tract of animals and humans, and bacterial carriage is estimated to occur in 2 to 10 percent of the general...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-10
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
...) have shown foci of necrosis in many organs, although most prominent in the liver and lymphatic tissues ( 1 ). Numerous plasma cells and large monocytes are observed in the gastrointestinal tract mucosa and other lymphoid tissues. Small hemorrhages or petechiae were present in all tissues studied. Other...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-20
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... the yeasts are able to penetrate the blood brain barrier, central nervous system (CNS) involvement is a particularly serious consequence of systemic spread. Other sites of dissemination include the skin, genitourinary tract (especially the prostate gland), eye, bone, joints, muscle, endocrine organs...
1
