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Blue Urine - Blue Diaper Syndrome

Blue Diaper syndrome

Blue diaper syndrome is a rare, autosomal recessive metabolic disorder characterized in infants by bluish urine-stained diapers. It is caused by a defect in tryptophan absorption. ...
Histoplasma capsulatum spiked macroconidia

Microscopic Morphologic Features of the Mold Forms of Various Dimorphic Fungi

The spiked (echinulate) macroconidia seen in Image below is characteristic of the mold form of Histoplasma capsulatum. The mold form of Coccidioides immitis (Image below) is characterized ...
GasPak system - notice the methylene blue indicator strip

GasPak System (The Anaerobic jar)

Agar plates are inoculated and placed in the jar. Water is added to the GasPak generator envelope, causing the evolution of H2 and CO2. he hydrogen reacts with oxygen on the surface ...
Nagler's reaction of Cl. perfringens

Nagler’s reaction (Lecithinase test)

Nagler’s reaction is a test for the identification of alpha toxin of Clostridium perfringens. The toxin is lecithinase which hydrolyses the phospholipid lecithin (a component ...
Cooked Meat Broth (CMB)

Media used for Cultivation of Anaerobic Bacteria

Cooked Meat Broth (CMB) is recommended for the cultivation of aerobic, microaerophilic, and anaerobic microorganisms, especially Clostridium species. The medium can be inoculated with ...
Clostridium perfringens - gas gangrene

Most Common Species of Clostridium

Clostridium consists of around 100 species that include common free-living bacteria as well as important pathogens There are five main species responsible for disease in humans. C. ...
1: Muddy brown cast  (dirty brown hemoglobinuric pigment)
2: Waxy cast
3: Necrotic RTC cells
4: RTC-hyaline cast

Muddy brown granular casts

Urine sediment showing multiple, muddy brown granular casts.  These findings are highly suggestive of acute tubular necrosis in a patient with Acute kidney injury (Acute renal failure).
Terminal endospore of Clostridium tetani

Clostridium Characteristics

Clostridium are Gram-positive obligate anaerobes bacteria capable of producing endospores which protect them in harmful environment .  Individual cells are rod shaped while the spores ...
Short blue-staining hyphae and spherical spores of Malassezia furfur

Tinea versicolor caused by Malassezia furfur infection and laboratory diagnosis

The yeast-like colonies seen growing on the blood agar surface in the image below are lipid-dependent and grow only where olive oil had been applied. This is characteristic of the ...
Microsporum canis macroconidia stained with lactophenol cotton blue

Lactophenol Cotton Blue Stain

Lactophenol Cotton Blue Stain is recommended for mounting and staining yeast and molds. Lactophenol Cotton Blue Stain is formulated with lactophenol, which serves as a mounting fluid, ...
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