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Images
Published: 01 September 2024
GRANULOMA INGUINALE SKIN HISTOLOGY Figure 18-19 GRANULOMA INGUINALE SKIN HISTOLOGY Areas of early acanthosis and mixed dermal inflammation. More about this image found in GRANULOMA INGUINALE SKIN HISTOLOGY Areas of early acanthosis and mixed der...
Images
Published: 01 September 2024
DISSEMINATED CRYPTOSPORIDIOSIS IN THE SETTING OF AIDS Figure 26-26 DISSEMINATED CRYPTOSPORIDIOSIS IN THE SETTING OF AIDS Gastric involvement (A), with extension to the gastroesophageal squamocolumnar junction (B). Gallbladder involvement (C,D), which presented clinically as an acute cholecystitis... More about this image found in DISSEMINATED CRYPTOSPORIDIOSIS IN THE SETTING OF AIDS Gastric involvement ...
Images
Published: 01 September 2024
IMMUNE RECONSTITUTION SYNDROME Figure 9-32 IMMUNE RECONSTITUTION SYNDROME A: Vulva florid inflammation with mucosal erosion, developing after HAART, clinically thought to be lymphoma. B: Mixed inflammatory infiltrate with plasma cells, eosinophils, and focal cells showing herpes simplex virus (H... More about this image found in IMMUNE RECONSTITUTION SYNDROME A: Vulva florid inflammation with mucosal e...
Images
Published: 01 September 2024
CAT SCRATCH DISEASE Figure 17-3 CAT SCRATCH DISEASE A: Skin inoculation site shows epidermal acanthosis, hyperkeratosis, and a mixed dense dermal inflammatory cell infiltrate obscuring the dermoepidermal interface. B: Warthin-Starry silver stain demonstrates scattered coccobacillary bacterial or... More about this image found in CAT SCRATCH DISEASE A: Skin inoculation site shows epidermal acanthosis, h...
Images
Published: 01 September 2024
BACILLARY ANGIOMATOSIS Figure 17-4 BACILLARY ANGIOMATOSIS A: The dermal vasoproliferative lesion with associated mixed inflammation shows overlying epidermal hyperplasia. B: Endothelial cells appear plump, with prominent associated neutrophils. C: Warthin-Starry silver stain highlights numerous clusters of etiologic Bartonella organisms. (Courtesy of the CDC IDPB) More about this image found in BACILLARY ANGIOMATOSIS A: The dermal vasoproliferative lesion with associa...
Images
Published: 01 September 2024
CYTOMEGALOVIRUS COLITIS Figure 5-18 CYTOMEGALOVIRUS COLITIS A: The colonic ulcer shows granulation tissue with prominent mixed inflammatory cell infiltration. B,C: Enlarged infected stromal and endothelial cells are present in the ulcer base, with nuclear and cytoplasmic inclusion material. D: ... More about this image found in CYTOMEGALOVIRUS COLITIS A: The colonic ulcer shows granulation tissue with...
Images
Published: 01 September 2024
MPOX Figure 6-11 MPOX Microscopic features of skin lesions. (Courtesy of the CDC IDPB) A: Early changes showing a lichenoid papillary dermal and perivascular mixed inflammatory cell infiltrate, which includes lymphocytes, macrophages, and rare eosinophils. Single dyskeratotic cells are visible i... More about this image found in MPOX Microscopic features of skin lesions. (Courtesy of the CDC IDPB) A: ...
Images
Published: 01 September 2024
MPOX Figure 6-11 MPOX Microscopic features of skin lesions. (Courtesy of the CDC IDPB) A: Early changes showing a lichenoid papillary dermal and perivascular mixed inflammatory cell infiltrate, which includes lymphocytes, macrophages, and rare eosinophils. Single dyskeratotic cells are visible i... More about this image found in MPOX Microscopic features of skin lesions. (Courtesy of the CDC IDPB) A: ...
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
.... Pathologic Findings Biopsy of the inoculation site in cat scratch disease typically shows a papule with a marked mixed inflammatory cell infiltrate that effaces the dermoepidermal interface, and associated dermal blood vessels with swollen endothelial cells ( fig. 17-3 ). The epidermis reveals acanthosis...
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
... with a prominent neutrophil-rich mixed inflammatory cell infiltrate. Many infected epithelial cells fuse to form multinucleated (syncytial) cells with nuclear molding. Characteristic eosinophilic ground-glass intranuclear (Cowdry type-A) viral inclusions lead to margination of the basophilic host chromatin...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-27
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... intermediate host for the first four species, while P. knowlesi infection is considered a zoonosis since the organism also infects macaques in Southeast Asia. Mixed infections occur occasionally. Malarial parasites were first described in human erythrocytes in 1880 by Alphonse Laveran ( 1 ). He made...
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
... HISTOLOGIC EVALUATION OF ENDOMYOCARDIAL BIOPSY IN THE DIAGNOSIS OF MYOCARDITIS Inflammation Distribution Focal, confluent, or diffuse Extent Mild, moderate, or severe Cell type Lymphocytic, neutrophilic, eosinophilic, granulomatous, giant cell, or mixed Fibrosis Distribution...
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
... button”) morphology on transection, showing abundant fibrin, necrotic debris, and trophozoites in the ulcer floor ( fig. 26-5 ). Initially, there is a paucity of inflammatory cells and the undermined mucosa may be raised by the exudate. Later, a mixed secondary inflammatory cell infiltrate consisting...
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
... toxicity is frequent Clostridium spp Fournier gangrene Necrotizing infection of soft tissue of external genitalia and perineum; usually originates in the anorectal or urogenital tracts Mixed aerobic and anaerobic bacteria, most frequently S. aureus and and Pseudomonas spp...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-01
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... and microbiologic studies, together with a stool sample. A routine H&E stain of the biopsies confirms the presence of ulceration with a nonspecific histologic appearance ( fig. 1-4A,B ). The ulcer base reveals a mixed inflammatory cell infiltrate, with isolated enlarged and somewhat atypical cells ( fig. 1-4C...
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
... mixed (mononuclear cell and neutrophil) meningeal and choroid plexus inflammation and ventriculitis ( 9 ). A degree of vasculitis can also be seen, sometimes with associated blood vessel thrombosis. The inflammatory infiltrate frequently extends into the brain cortex, and forms abscesses. Bacteria can...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-24
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... be seen. In ectothrix infections, the outside of each involved hair is coated by fungal arthrospores, with subsequent extension of hyphae into the hair shaft at the level of the mid-follicle. There is mild acanthosis and patchy parakeratosis of the overlying epidermis, accompanied by a mixed inflammatory...
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
... and usually macronodular (or mixed macronodular and micronodular) cirrhotic liver. The regenerative hepatic nodules have a tan to yellow (due to associated steatosis) or green (due to associated cholestasis) color ( fig. 5-4 ). CIRRHOSIS IN CHRONIC HEPATITIS C VIRUS (HCV) INFECTION Figure 5-4 CIRRHOSIS...
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
... degeneration and prominent necrosis. An associated inflammatory response may, however, be absent. If present, it often consists of a mixed cellular infiltrate ranging from lymphoplasmacytic (sometimes with eosinophils) to granulomatous. Biliary tract infection may lead to microscopic features of sclerosing...
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
... , Kirkness CM , Lee WR , Seal DV . Amebic keratitis in a wearer of disposable contact lenses due to a mixed Vahlkampfia and Hartmannella infection . Ophthalmology 1996 ; 103 : 485 - 94 . 23. Balczun C , Scheid PL . Free-living amoebae as hosts for and vectors...
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