CREUTZFELDT-JAKOB DISEASE Figure 2-2 CREUTZFELDT-JAKOB DISEASE Whole brain specimen shows prominent cerebral and cerebellar atrophy. More about this image found in CREUTZFELDT-JAKOB DISEASE Whole brain specimen shows prominent cerebral an...

MERS-CoV MULTINUCLEATED SYNCYTIAL CELL Figure 4-8 MERS-CoV MULTINUCLEATED SYNCYTIAL CELL Lung history specimen. (Courtesy of the CDC PHIL) More about this image found in MERS-CoV MULTINUCLEATED SYNCYTIAL CELL Lung history specimen. (Courtesy of...

ADENOVIRUS PNEUMONITIS IN A CHILD Figure 4-12 ADENOVIRUS PNEUMONITIS IN A CHILD Autopsy specimen shows congestion and vaguely circumscribed paler areas of consolidation. (Courtesy of Dr. L. S. de Haas, University of Pretoria, Pretoria, South Africa) More about this image found in ADENOVIRUS PNEUMONITIS IN A CHILD Autopsy specimen shows congestion and va...

LIVER STEATOSIS Figure 9-22 LIVER STEATOSIS A: Liver macroscopic specimen from a patient treated with didanosine (ddI) HAART, who died of metabolic lactic acidosis and had a soft yellow, diffusely steatotic liver. B: There is pronounced microvesicular steatosis devoid of inflammation. More about this image found in LIVER STEATOSIS A: Liver macroscopic specimen from a patient treated with ...

STREPTOCOCCUS PNEUMONIAE Figure 12-1 STREPTOCOCCUS PNEUMONIAE The microbiology specimen shows characteristic gram-positive cocci arranged in pairs (diplococci). (Courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL]) More about this image found in STREPTOCOCCUS PNEUMONIAE The microbiology specimen shows ...

PNEUMOCYSTIS SPP ON A CYTOLOGY SPECIMEN Figure 21-25 PNEUMOCYSTIS SPP ON A CYTOLOGY SPECIMEN The characteristic cyst morphology and multiple intracytoplasmic double dots are seen. More about this image found in PNEUMOCYSTIS SPP ON A CYTOLOGY SPECIMEN The characteristi...

TINEA CORPORIS Figure 24-42 TINEA CORPORIS High-power view of a PAS-stained specimen illustrates the fungal hyphae within the acral stratum corneum. More about this image found in TINEA CORPORIS High-power view of a PAS-stained specimen illustrates the f...

GIARDIASIS Figure 26-21 GIARDIASIS Trichrome stain of a stool specimen highlights a characteristic cyst (A) with visible nuclei and median body, as well as a trophozoite (B) with two anterior nuclei and characteristic pear shape. (Courtesy of the CDC PHIL) More about this image found in GIARDIASIS Trichrome stain of a stool specimen highlights a characteristic...

TRICHOMONAS Figure 30-7 TRICHOMONAS Wet mount of cervical specimen shows numerous trophozoites in relation to squamous epithelial cells. (Courtesy of the CDC PHIL) More about this image found in TRICHOMONAS Wet mount of cervical specimen shows numerous...

DECOY CELLS IN URINE CYTOLOGY SPECIMENS Figure 9-49 DECOY CELLS IN URINE CYTOLOGY SPECIMENS A: Papanicolaou stain shows variation in epithelial nuclear size and characteristic intranuclear inclusions. B: Diff quick stain, with ground-glass nuclear inclusion and peripheral chromatin margination. ... More about this image found in DECOY CELLS IN URINE CYTOLOGY SPECIMENS A: Papanicolaou stain shows variat...

TYPHOID FEVER Figure 13-15 TYPHOID FEVER A: Small intestine from a typhoid patient shows mural thickening, numerous foci of ulceration, and an area of bowel perforation. B: Postmortem ileum specimen shows raised, irregularly convoluted and discolored Peyer patches with associated necrosis and ul... More about this image found in TYPHOID FEVER A: Small intestine from a typhoid patient shows mural thicke...

USE OF SPECIAL STAINS IN THE DIAGNOSIS OF INFECTIOUS DISEASES Figure 1-2 USE OF SPECIAL STAINS IN THE DIAGNOSIS OF INFECTIOUS DISEASES A,B: Bone marrow H&E (A) and Grocott methenamine silver (B) stains. The latter shows numerous budding Histoplasma capsulatum yeasts. C–E: H&E stain (C,D) on a pituitary gland specimen showing histologic findings suspicious for tissue pathogens. A strongly positive von Kossa calcium stain (E), however, confirms the suspicious deposits as calcifications and excludes infectious microorganisms. More about this image found in USE OF SPECIAL STAINS IN THE DIAGNOSIS OF INFECTIOUS DISEASES A,B: Bone ma...

PERSISTENT GENERALIZED LYMPHADENOPATHY (PGL) Figure 9-2 PERSISTENT GENERALIZED LYMPHADENOPATHY (PGL) A: The lymph node has irregularly shaped reactive follicles. B: PGL lymph node follicle in center with macrophage phagocytosis and apoptotic debris. C: HIVp24 stains HIV virus in follicular dend... More about this image found in PERSISTENT GENERALIZED LYMPHADENOPATHY (PGL) A: The lymph node has irregul...