MICROFOTOGRAFIAS DE TINCIONES EN PATOLOGIA

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Melanin pigment in cells of malignant melanoma, Fontana-Masson stain.

         

Hemosiderin, liver, iron stain.

Uric acid crystans, polarized, with red plate

Asbestos body, unstained.

Asbestos bodies, iron stain

Silica crystals in silicosis of lung, polarized

Polarizable crystals in lung with intravenous drug use

Black tattoo pigment is seen in the dermis of the skin with H&E stain

Oil red O stain of fat emboli in lung.

Chronic active hepatitis with collapse in liver, trichrome stain

Cerebral abscess in brain, trichrome stain

Scleroderma with fibrosis of submucosa in stomach, trichrome stain

Normal liver at medium magnification, reticulin stain

Normal spleen at high magnification, reticulin stain

Normal aorta, media with parallel elastic fibers, van Gieson stain

Mast cells are apparent in the upper dermis in this section of skin because their cytoplasmic granules stain metachromatically, giving the intense purple color seen here

The granules in eosinophils stain bright red with the giemsa stain in this case of acute esophagitis

This peripheral blood smear is stained with the Wright's stain.

Long, spiraling spirochetes are seen with a Warthin-Starry silver stain

Mycobacterium tuberculosis in lung, Ziehl-Neelsen acid fast stain

Mycobacterium avium-complex, Ziehl-Neelsen acid fast stain.

Cryptosporidium in stool specimen, Ziehl-Neelsen acid fast stain

Mycobacterium tuberculosis in lung, Auramine stain, fluorescence

Nocardia asteroides in lung, acid fast stain

GMS stain for Pneumocystis carinii (Metenamina plata de Gomori para microorganismos)

GMS stain for Cryptococcus neoformans

GMS stain for Coccidoides immitis

Candida in lung, PAS stain

Glycogen in Ewing's sarcoma, PAS stain

This is nodular glomerulosclerosis involving a glomerulus in the kidney, as seen with the PAS stain