Search Results for bacterial

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 More about this image found in MENINGOCOCCAL (BACTERIAL) MYOCARDITIS A: There is a pronounced interstitia...

LEGIONNAIRES’ DISEASE Figure 12-9 LEGIONNAIRES’ DISEASE The etiologic bacterial organisms are seen with Steiner silver (A) and immunohistochemical (B) stains. (A: courtesy of the CDC IDPB; B: courtesy of the CDC PHIL) More about this image found in LEGIONNAIRES’ DISEASE The etiologic bacterial organisms are seen with Stei...

PARTLY TREATED BACTERIAL INFECTION (FUSOBACTERIUM SPP) Figure 12-25 PARTLY TREATED BACTERIAL INFECTION (FUSOBACTERIUM SPP) Paucicellular tissue with abundant fibrin (A, low power), scattered neutrophils, and granular cell debris (D, high power) are seen. There are associated More about this image found in PARTLY TREATED BACTERIAL INFECTION (FUSOBACTERIUM SPP) Pa...

GRAM-NEGATIVE BACTERIAL WALL AND OTHER COMPONENTS Figure 12-38 GRAM-NEGATIVE BACTERIAL WALL AND OTHER COMPONENTS More about this image found in GRAM-NEGATIVE BACTERIAL WALL AND OTHER COMPONENTS

BACTERIAL DYSENTERY Figure 13-1 BACTERIAL DYSENTERY Gram stain demonstrating Shigella spp (A), and E. coli (B). (A: courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL]) More about this image found in BACTERIAL DYSENTERY Gram stain demonstrating Shigella spp...

ACTINOMYCETOMA OR BACTERIAL MYCETOMA Figure 24-17 ACTINOMYCETOMA OR BACTERIAL MYCETOMA The periphery of this dense granular colony of filamentous bacteria exhibits the Splendore-Hoeppli phenomenon. (Courtesy of Dr. T. Pitjadi, Ampath Pathology Laboratories, Johannesburg, South Africa) More about this image found in ACTINOMYCETOMA OR BACTERIAL MYCETOMA The periphery of this dense granular ...

LEPTOSPIROSIS Figure 14-27 LEPTOSPIROSIS Leptospira spp are highlighted by a bacterial silver (A) and immunohistochemical (B) stain. (Courtesy of the CDC PHIL) More about this image found in LEPTOSPIROSIS Leptospira spp are highlighted by a bacteri...

ACTINOMYCETOMA Figure 24-18 ACTINOMYCETOMA Gram stain highlights the filamentous gram-positive bacteria in this granule. (Courtesy of Dr T. Pitjadi, Ampath Pathology Laboratories, Johannesburg, South Africa) More about this image found in ACTINOMYCETOMA Gram stain highlights the filamentous gram-positive bacteri...

USE OF MOLECULAR TECHNIQUE (rRNA) IN DIAGNOSING INFECTIOUS DISEASES Figure 1-6 USE OF MOLECULAR TECHNIQUE (rRNA) IN DIAGNOSING INFECTIOUS DISEASES Polymerase chain reaction (PCR) using one of the 16S mRNA conserved regions (V1-3) on a suspected bacterial tissue pathogen yields a product More about this image found in USE OF MOLECULAR TECHNIQUE (rRNA) IN DIAGNOSING INFECTIOUS DISEASES Polyme...

ACANTHAMOEBA SPP Figure 25-18 ACANTHAMOEBA SPP On culture, protozoal trophozoites show bacterial engulfment. (Courtesy of the CDC PHIL) More about this image found in ACANTHAMOEBA SPP On culture, protozoal trophozoites show ...

CUTANEOUS NOCARDIOSIS Figure 12-22 CUTANEOUS NOCARDIOSIS Clinical features of primary cutaneous nocardiosis (A), including Nocardia (bacterial) “mycetoma” (B). (Courtesy of the CDC PHIL) More about this image found in CUTANEOUS NOCARDIOSIS Clinical features of primary cutaneous nocardiosis (...

BORRELIA SPP PATHOGENESIS Figure 15-6 BORRELIA SPP PATHOGENESIS Blue arrows show vector and bacterial factors while red arrows show host factors. More about this image found in BORRELIA SPP PATHOGENESIS Blue arrows show vector and bac...

NEISSERIA MENINGITIDIS IMMUNOHISTOCHEMISTRY Figure 11-8 NEISSERIA MENINGITIDIS IMMUNOHISTOCHEMISTRY Meninges (A) and brain (B) demonstrate background inflammation and numerous positively stained intracellular bacterial cocci. (Courtesy of the CDC IDPB) More about this image found in NEISSERIA MENINGITIDIS IMMUNOHISTOCHEMISTRY Meninges (A) ...

STAPHYLOCOCCUS AUREUS NECROTIZING PNEUMONIA Figure 12-14 STAPHYLOCOCCUS AUREUS NECROTIZING PNEUMONIA H&E (A) and immunohistochemical stains highlight the bacterial organisms (B) and airway-centered infection (C). (Courtesy of the CDC IDPB) More about this image found in STAPHYLOCOCCUS AUREUS NECROTIZING PNEUMONIA H&E (A) a...

INFECTIVE ENDOCARDITIS DUE TO BARTONELLA SPP Figure 17-6 INFECTIVE ENDOCARDITIS DUE TO BARTONELLA SPP Valvular vegetations are composed of fibrin and neutrophils (A,B). Clusters of associated bacilli are confirmed on a bacterial silver stain (C). More about this image found in INFECTIVE ENDOCARDITIS DUE TO BARTONELLA SPP Valvular veg...

ESOPHAGEAL CANDIDIASIS Figure 22-5 ESOPHAGEAL CANDIDIASIS Alcian blue/PAS-d stain of a pseudomembrane demonstrates an abundance of fungal yeasts and filamentous forms in a background of necrotic debris, bacterial organisms, and isolated degenerated squames. More about this image found in ESOPHAGEAL CANDIDIASIS Alcian blue/PAS-d stain of a pseudomembrane demonst...

MENINGOCOCCEMIA Figure 11-7 MENINGOCOCCEMIA Meningococcal skin lesion (A) with relatively inapparent bacterial organisms. Gram stain on heart tissue (B), in contrast, shows numerous, more obvious intracellular gram-negative cocci. (Courtesy of the CDC IDPB) More about this image found in MENINGOCOCCEMIA Meningococcal skin lesion (A) with relatively inapparent b...

LEGIONNAIRES’ DISEASE Figure 12-8 LEGIONNAIRES’ DISEASE A: Prominent intra-alveolar inflammatory infiltrate with fibrin is seen. (Courtesy of the CDC IDPB) B: High-power view of prominent intra-alveolar macrophages with ingested debris and bacterial organisms. (Courtesy of the CDC PHIL) More about this image found in LEGIONNAIRES’ DISEASE A: Prominent intra-alveolar inflammatory infiltrate ...

PLACENTA AND AMNION IN NEONATAL LISTERIOSIS Figure 11-4 PLACENTA AND AMNION IN NEONATAL LISTERIOSIS A placental abscess (A, top) and scant necrotic debris in the amnion (B) are seen, with detectable bacterial organisms on a Gram stain (C). (Courtesy of the CDC Infectious Disease Pathology Branch More about this image found in PLACENTA AND AMNION IN NEONATAL LISTERIOSIS A placental abscess (A, top) a...