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Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-07
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
...VIRAL MYOCARDITIS General Considerations, Including Etiology and Synonyms Myocarditis, inflammation of the heart muscle frequently associated with myocyte injury and cardiac dysfunction, can have various causes, including viral infection. An integral part of the definitive diagnosis...
Images
Published: 01 September 2024
THE DIFFERENT STAGES OF MYOCARDITIS Figure 7-1 THE DIFFERENT STAGES OF MYOCARDITIS More about this image found in THE DIFFERENT STAGES OF MYOCARDITIS
Images
Published: 01 September 2024
TOXOPLASMA MYOCARDITIS Figure 25-5 TOXOPLASMA MYOCARDITIS There is minimal mononuclear inflammation (A) and numerous parasitic organisms (B). More about this image found in TOXOPLASMA MYOCARDITIS There is minimal mononuclear infla...
Images
Published: 01 September 2024
MENINGOCOCCAL (BACTERIAL) MYOCARDITIS Figure 7-4 MENINGOCOCCAL (BACTERIAL) MYOCARDITIS A: There is a pronounced interstitial neutrophil infiltrate in a patient with meningococcemia. B: Red Neisseria meningitidis cytoplasmic positivity is seen on immunohistochemistry in many of the phagocytic and inflammatory cells. (Courtesy of the CDC IDPB) More about this image found in MENINGOCOCCAL (BACTERIAL) MYOCARDITIS A: There is a pronounced interstitia...
Images
Published: 01 September 2024
ENTEROVIRUS MYOCARDITIS Figure 7-2 ENTEROVIRUS MYOCARDITIS A scant lymphocyte infiltrate and myocyte injury (A) are seen. Lymphocytic infiltration can be patchy (C), making detection on endomyocardial biopsy difficult. Confirmatory enterovirus immunohistochemistry (B) demonstrates red cytoplasmic... More about this image found in ENTEROVIRUS MYOCARDITIS A scant lymphocyte infiltrate and myocyte injury (...
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Published: 01 September 2024
INFLUENZA B VIRUS MYOCARDITIS Figure 7-3 INFLUENZA B VIRUS MYOCARDITIS At low (A) and high power (B), a discrete perivascular lymphocyte infiltrate and associated myocyte injury are seen. Immunohistochemical staining did not demonstrate influenza B virus in the myocardium, although it was demonst... More about this image found in INFLUENZA B VIRUS MYOCARDITIS At low (A) and high power (B), a discrete pe...
Images
Published: 01 September 2024
ASPERGILLUS MYOCARDITIS Figure 7-5 ASPERGILLUS MYOCARDITIS Gross appearance of a horizontal heart slice, showing areas of hemorrhage and infarction (A). Hematoxylin and eosin (H&E) histology shows angioinvasive growth (B) with numerous partly degenerated fungal hyphae and surrounding neutrophils (C). Grocott methenamine silver stain highlights focally branching fungal hyphae (D). More about this image found in ASPERGILLUS MYOCARDITIS Gross appearance of a horizontal ...
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Published: 01 September 2024
HISTOLOGY OF MENINGOCOCCEMIA Figure 11-9 HISTOLOGY OF MENINGOCOCCEMIA A: Adrenal gland with prominent hemorrhage and focal necrosis. B: Lung showing mild interstitial edema and early intra-alveolar hemorrhage. C: Heart with myocarditis demonstrating striking neutrophil infiltration. (All: court... More about this image found in HISTOLOGY OF MENINGOCOCCEMIA A: Adrenal gland with prominent hemorrhage an...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-29
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... of the liver, spleen, and lymph nodes A rash near the eye is known as the Romaña sign and consists of conjunctivitis, chemosis, and periorbital edema Infection acquired by ingestion also leads to nausea, vomiting, and abdominal pain 0.01-0.05%; mostly in children, due to myocarditis or encephalitis...
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
..., and myocarditis. In the case of meningococcal pneumonia, the main entities in the differential diagnosis are other causes of bacterial and viral pneumonia. Pathologic Findings Grossly, meningitis due to meningococci shows opacified meninges, similar to other, more frequent forms of bacterial meningitis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-25
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... (CNS) involvement manifests as an inflammatory mass or meningoencephalitis, and symptoms include fever, headache, seizures, neurologic fallout (including ataxia and incoordination), hemiparesis, amnesia, dementia, and lethargy. Systemic involvement can be associated with myocarditis, pneumonitis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-08
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
.... This leads to release of viral particles from the infected erythroid precursors. C1q, another host cell receptor for parvovirus B19, is thought to allow attachment to and entry into endothelial cells, particularly in patients with myocarditis. It is not certain, however, whether infection of endothelium can...
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
... necrosis. In men, the prostate gland may also be infected. Candida endocarditis is usually seen in patients with underlying valvular pathology or prosthetic valves, in drug addicts, and in those with IV catheters. The symptomatology is similar to bacterial endocarditis. Myocarditis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-14
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... surfaces (pleural effusion and spontaneous bacterial peritonitis), gastrointestinal and hepatopancreatobiliary tracts (enterocolitis, intestinal obstruction, granulomatous hepatitis, liver abscesses, and acute and chronic pancreatitis), and heart (endocarditis, myocarditis, and pericarditis), among others...
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
... and rhabdomyolysis, and cardiac manifestations such as myocarditis, pericarditis, and exacerbations of underlying cardiac problems. There may be central nervous system (CNS) complications, including transverse myelitis, Guillain-Barre syndrome, encephalitis, encephalomyelitis, and aseptic meningitis. In children...
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
... of necrosis (A), as well as apoptotic hepatocytes (B) are seen. (Courtesy of the CDC IDPB) Less often, varying degrees of inflammation (usually mild) are seen in numerous organs and include interstitial pneumonitis, myocarditis, lymph node sinus histiocytosis, and interstitial nephritis. The gastrointestinal...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-17
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
..., spleen, and eyes Lesions are accompanied by fever, weight loss, abdominal pain, and organomegaly In immunosuppressed individuals (including AIDS) Other Systemic Bacteremia, myocarditis, endocarditis (“culture negative”), and neuroretinitis BARTONELLOSES Figure 17-2 BARTONELLOSES A,B: Skin lesion...
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
... in asthma exacerbations Acute complications include encephalitis and myocarditis Possible role in atherosclerosis, arthritis, Alzheimer disease, multiple sclerosis, and schizophrenia Irregular circumscribed infiltrates Usually normal white blood cell count Psittacosis (Chlamydia psittaci...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-15
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... myocarditis, hepatitis, and meningitis. Infarcts can be seen in numerous organs, including the brain, lung, and abdominal viscera. Patients are also susceptible to splenic rupture due to the presence of hemorrhages. BORRELIAL TICK-BORNE RELAPSING FEVER Figure 15-8 BORRELIAL TICK-BORNE RELAPSING FEVER Blood...
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
... be affected secondarily in HIV disease, but several entities once considered to be linked directly to HIV are now no longer seen as such. These include some malignancies, such as prostate cancer and myeloma, although lung adenocarcinoma remains etiologically linked to HIV. Skeletal myositis and myocarditis...
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