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Images
Published: 01 September 2024
HIV VACUOLAR MYELOPATHY Figure 9-10 HIV VACUOLAR MYELOPATHY A: Spinal cord posterior columns are pale and vacuolated. B: Higher-power view of pale and vacuolated posterior columns. C: Macrophages within the posterior columns on CD68 immunohistochemistry. More about this image found in HIV VACUOLAR MYELOPATHY A: Spinal cord posterior columns are pale and vacu...
Images
Published: 01 September 2024
POLIOMYELITIS Figure 3-21 POLIOMYELITIS Neuronal degeneration (arrowhead) and neuroaxonal swellings (arrows) in the spinal cord in poliovirus infection (Bodian silver stain). More about this image found in POLIOMYELITIS Neuronal degeneration (arrowhead) and neuroaxonal swellings ...
Images
Published: 01 September 2024
FUNISITIS DUE TO ASCENDING CANDIDA SPP INFECTION IN PREGNANCY Figure 22-3 FUNISITIS DUE TO ASCENDING CANDIDA SPP INFECTION IN PREGNANCY A,B: Cross section of the umbilical cord shows a wedge-shaped subamniotic focus of neutrophil microabscess formation. More about this image found in FUNISITIS DUE TO ASCENDING CANDIDA SPP INFECTION IN PREGNA...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-03
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... in certain locations. For example, WNV infection frequently causes changes in the brainstem and anterior horns of the spinal cord. WEST NILE VIRUS ENCEPHALITIS Figure 3-5 WEST NILE VIRUS ENCEPHALITIS Perivascular lymphocyte cuffing (A) and encephalitis with neuronal loss (B). (Courtesy of the CDC...
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
... encephalitis (HIVE) b Brain and spinal cord HIV-CD8 encephalitis (HIV-CD8E) Brain and spinal cord + Vacuolar myelopathy of spinal cord Spinal cord Lymphoid interstitial pneumonia (LIP) b Lung Wasting syndrome b Systemic; gelatinous transformation of bone...
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
... on macroscopic examination, but the umbilical cord, chorion, and amnion often show cysts/tachyzoites on histology. T. gondii tissue cysts range from 5 to 50 μm in diameter, usually appearing spherical in the brain and more elongated in skeletal muscle tissue and the heart. The parasitic organisms...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-18
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
..., and condyloma acuminatum. Tertiary syphilis requires differentiation from other systemic infectious diseases such as brucellosis, and noninfectious granulomatous pathologies such as sarcoidosis. In congenital syphilis, macroscopy may reveal placentomegaly with an increased placental mass, and the umbilical cord...
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
... chorioamnionitis) may complicate vaginal disease ( fig. 22-3 ). FUNISITIS DUE TO ASCENDING CANDIDA SPP INFECTION IN PREGNANCY Figure 22-3 FUNISITIS DUE TO ASCENDING CANDIDA SPP INFECTION IN PREGNANCY A,B: Cross section of the umbilical cord shows a wedge-shaped subamniotic focus of neutrophil...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-06
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... of large nerves, including cranial nerves, and the spinal cord are most frequently involved. VZV elicits both humoral and cell-mediated immune responses, although it is primarily the latter that prevents recurrence. Clinical Features HSV1 and 2 have an incubation period of 1 day to 3 weeks, although most...
Images
Published: 01 January 2024
LOW-GRADE ADENOSQUAMOUS CARCINOMA Figure 8-59 LOW-GRADE ADENOSQUAMOUS CARCINOMA A: At low power, subtle cords, glands, and nests of epithelial cells are seen haphazardly placed in the stroma. Scattered lymphoid aggregates are present. B,C: Some nests have a squamoid appearance (B) and others are... More about this image found in LOW-GRADE ADENOSQUAMOUS CARCINOMA A: At low power, subtle cords, glands, a...
Images
Published: 01 January 2024
SCLEROSING ADENOSIS Figure 6-5 SCLEROSING ADENOSIS A: At low power, this example of sclerosing adenosis appears to be composed predominantly of cords of cells with scattered admixed glands. B: At higher power, both patterns are better appreciated. Myoepithelial cells are difficult to discern. More about this image found in SCLEROSING ADENOSIS A: At low power, this example of sclerosing adenosis a...
Images
Published: 15 November 2023
MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE Figure 10-5 MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE A single ruptured cord (yellow arrow) can lead to an unsupported (flail) valve segment and regurgitation. The most commonly involved segment is the P2 segment of the posterior leaflet. More about this image found in MYXOMATOUS MITRAL VALVE DISEASE: CORD RUPTURE A single ruptured cord (yell...
Images
Published: 15 November 2023
MITRAL VALVE: TENDINOUS CORDS Figure 1-14 MITRAL VALVE: TENDINOUS CORDS A: Atrial aspect of commissural cord (large arrows) provides several branches to both leaflets (*). B: Types of cords (posterior leaflet) viewed on edge: primary (free edge or marginal) cords attach to the edges of leaflets,... More about this image found in MITRAL VALVE: TENDINOUS CORDS A: Atrial aspect of commissural cord (large ...
Images
Published: 15 November 2023
TENDINOUS CORD SAMPLING Figure 24-20 TENDINOUS CORD SAMPLING Tendinous cords of the tricuspid valve may be inadvertently sampled during right ventricular biopsy and result in tricuspid valve regurgitation. More about this image found in TENDINOUS CORD SAMPLING Tendinous cords of the tricuspid valve may be inad...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-12
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
...Sex cord-stromal tumors comprise a group of neoplasms that show differentiation toward tissues derived from the primitive sex cord. These structures are first identified in the 7th week of embryogenesis ( 1 ). In a female, the indifferent gonad develops primitive proliferating sex cords...
Images
Published: 15 November 2023
CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE Figure 9-12 CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE A fenestrated (cord-like) raphe may be present, in which the raphe is attached to the aortic sinus, providing support to the conjoined cusp. A free space (yellow arrow) is benea... More about this image found in CONGENITALLY BICUSPID AORTIC VALVE: FENESTRATED RAPHE A fenestrated (cord-...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-13
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
...) ( 16 ). Occasionally, microcalcifications are present ( 17 ). Microscopic Findings. Microscopically, syringomatous tumor is often subtle. The tumor is composed of small glands, nests, and cords of bland cells with round to oval nuclei ( figs. 13-10 , 13-11 ) ( 14 ). Some of the nests are tadpole...
Images
Published: 15 November 2023
LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Figure 51-25 LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Left: An in situ pseudotendon (yellow arrow) spans between a papillary muscle to the left ventricular free wall. Right: A surgically resected pseudotendon appears as a simple, nondescript fibro... More about this image found in LEFT VENTRICULAR PSEUDOTENDONS (FALSE CORDS) Left: An in situ pseudotendon...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-06
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... of the lesion, resulting in the appearance of solid, linear cords of cells rather than a small, glandular proliferation. The architectural lobulocentricity is retained, however, with the cords of cells arrayed in a swirling pattern ( fig. 6-5 ). SCLEROSING ADENOSIS WITH DENSE EOSINOPHILIC STROMA Figure 6-4...
Images
Published: 15 November 2023
MYXOMA (LEPIDIC) CELLS Figure 41-8 MYXOMA (LEPIDIC) CELLS A: Bland spindle cells occur singly and in small cords and clusters. B: Perivascular ring structures. C: Complex anastomosing cords around small tumoral blood vessels. More about this image found in MYXOMA (LEPIDIC) CELLS A: Bland spindle cells occur singly and in small co...
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