GRAM STAIN Figure 12-39 GRAM STAIN Gram-negative bacilli (A) and intracellular gram-negative coccobacilli (B). (Courtesy of the CDC PHIL) More about this image found in GRAM STAIN Gram-negative bacilli (A) and intracellular gram-negative cocco...

BRUCELLOSIS Figure 14-1 BRUCELLOSIS Gram stain of Brucella suis, showing gram-negative coccobacillary morphology. (Courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL]) More about this image found in BRUCELLOSIS Gram stain of Brucella suis, showing gram-neg...

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...

EARLY-ONSET NEONATAL LISTERIOSIS Figure 11-2 EARLY-ONSET NEONATAL LISTERIOSIS Gram stain of lung (A) and central nervous system (B) tissue demonstrates abundant gram-positive bacillary organisms. (Courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL])... More about this image found in EARLY-ONSET NEONATAL LISTERIOSIS Gram stain of lung (A) and central nervou...

BORDETELLA PERTUSSIS ORGANISMS Figure 12-19 BORDETELLA PERTUSSIS ORGANISMS Gram (A) and immunohistochemical (B) stains of tracheobronchial respiratory epithelium. (Courtesy of the CDC IDPB) More about this image found in BORDETELLA PERTUSSIS ORGANISMS Gram (A) and immunohistoch...

NOCARDIA SPP Figure 12-21 NOCARDIA SPP Gram (A) and modified acid-fast (B) stains. More about this image found in NOCARDIA SPP Gram (A) and modified acid-fast (B) stains.

ACTINOMYCES SPP Figure 12-27 ACTINOMYCES SPP Gram stain of Actinomyces spp culture (A) and a primary lesion (B). Abundant gram-negative bacilli associated with Actinomyces spp are seen in B. (Courtesy of the CDC PHIL) More about this image found in ACTINOMYCES SPP Gram stain of Actinomyces...

ACTINOMYCOSIS Figure 12-31 ACTINOMYCOSIS High-power microscopic view of scattered filamentous, gram-positive Actinomyces bacilli. (Courtesy of the CDC PHIL) More about this image found in ACTINOMYCOSIS High-power microscopic view of scattered filamentous, gram-p...

COXIELLA BURNETII Figure 12-34 COXIELLA BURNETII Gram stain shows intracellular and extracellular organisms, the latter from lysis of cells containing bacteria. (Courtesy of the CDC PHIL) More about this image found in COXIELLA BURNETII Gram stain shows intracellular and extr...

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

GRAM-NEGATIVE BACTERIA Figure 12-42 GRAM-NEGATIVE BACTERIA Histopathology of the vasocentric pattern of inflammation due to gram-negative bacteria in the larynx, showing zones of vessel-associated necrosis at low power (A). Note the gram-negative bacilli in relation to the blood vessel wall and s... More about this image found in GRAM-NEGATIVE BACTERIA Histopathology of the vasocentric pattern of inflam...

GRAM-NEGATIVE BACTERIA Figure 12-43 GRAM-NEGATIVE BACTERIA Histopathology of necrotizing bronchocentric pattern due to gram-negative bacteria in the lung, showing early abscess formation with acute inflammation and necrosis (A). A large number of associated gram-negative bacilli are seen with a G... More about this image found in GRAM-NEGATIVE BACTERIA Histopathology of necrotizing bronchocentric patter...

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...

YERSINIA ENTEROCOLITICA Figure 13-11 YERSINIA ENTEROCOLITICA Gram stain. (Courtesy of the CDC PHIL) More about this image found in YERSINIA ENTEROCOLITICA Gram stain. (Courtesy of the CDC ...

CLOSTRIDIUM SPP Figure 13-22 CLOSTRIDIUM SPP Gram stain of C. perfringens (A) and C. difficile (B), which shows spore formation. (Courtesy of the CDC PHIL) More about this image found in CLOSTRIDIUM SPP Gram stain of C. perfringens...

INHALATION ANTHRAX Figure 14-13 INHALATION ANTHRAX Gram (A), Steiner silver (C), and immunohistochemical (B,D) stains. The patient had received antibiotics before death. (Courtesy of the CDC IDPB) More about this image found in INHALATION ANTHRAX Gram (A), Steiner silver (C), and immunohistochemical (...

GRAM STAIN OF SKIN AND SOFT TISSUE INFECTIONS BY VARIOUS BACTERIA Figure 15-4 GRAM STAIN OF SKIN AND SOFT TISSUE INFECTIONS BY VARIOUS BACTERIA Clostridium spp (gram positive bacilli; A), Streptococcus spp (gram-positive cocci; B), Acinetobacter spp (gram-negative coccobacilli; C) and Klebsiella spp (gram-negative bacilli; D). More about this image found in GRAM STAIN OF SKIN AND SOFT TISSUE INFECTIONS BY VARIOUS BACTERIA ...

MICROSPORIDIOSIS Figure 22-17 MICROSPORIDIOSIS High-power view of a modified Gram stain highlighting numerous microsporidian spores in the upper cytoplasm of an enterocyte. (Courtesy of Dr. J. Greenson, University of Michigan, Ann Arbor, MI) More about this image found in MICROSPORIDIOSIS High-power view of a modified Gram stain highlighting num...

ANTHRAX Figure 14-14 ANTHRAX Typical appearance of Bacillus anthracis colonies in culture (A) and Gram stain (B) showing the chain-like arrangement of the gram-positive bacilli. (Courtesy of the CDC PHIL) More about this image found in ANTHRAX Typical appearance of Bacillus anthracis colonies...

PNEUMOCOCCAL PNEUMONIA Figure 12-3 PNEUMOCOCCAL PNEUMONIA There is a diffuse intra-alveolar neutrophil infiltrate (A, hematoxylin and eosin [H&E] stain) with numerous interspersed gram-positive cocci (B, Gram stain). More about this image found in PNEUMOCOCCAL PNEUMONIA There is a diffuse intra-alveolar neutrophil infilt...