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113 Cards in this Set
- Front
- Back
Bronchopneumonia showing patchy areas of consolidation
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Cerebellum in a patient with rabies showing Purkinje cells with intracytoplasmic, eosinophilic inclusions (arrows) called Negri bodies
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Common systemic fungal infections. The yeast form of Cryptococcus neoformans (A) produces a narrow-based bud (arrow). Coccidioides immitis (B) has spherules containing endospores (arrows). Multinucleated giant cells
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Diffuse type of gastric adenocarcinoma with signet-ring carcinoma cells (arrows)
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Embryonated eggs of Enterobius vermicularis
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Fibroadenoma
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Benign prostatic hyperplasia
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Intestinal metaplasia of the gastric mucosal epithelium in chronic gastritis
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Squamous dysplasia of the cervix, a precursor of squamous cell carcinoma.
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Acute myocardial infarction (MI) showing a pale infarction of the posterior wall of the left ventricle (bottom left)
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Signs of acute inflammation. The patient has erysipelas of the face due to group A streptococcus. Signs of acute inflammation that are present in the photograph include redness (rubor) and swelling (tumor)
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Fibrinous inflammation. The epicardial surface of the heart is covered by a shaggy layer of fibrin material
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Pseudomembranous inflammation. There is necrosis and a yellow-colored exudate covering the mucosal surface of the colon due to a toxin produced by Clostridium difficile.
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Ehlers-Danlos syndrome
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Absolute leukocytosis with left shift. Arrows point to band (stab) neutrophils, which exhibit prominence of the azurophilic granules (toxic granulation). Vacuoles in the cytoplasm represent phagolysosomes
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Kaposi's sarcoma in HIV. Skin lesions are raised, red, and nonpruritic
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Prader-Willi syndrome
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Angelman syndrome
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Testicular feminization. The patient is genotypically male, but phenotypically female
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Adenocarcinoma. Irregular glands infiltrate the stroma
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Osteogenic sarcoma of the distal femur. The light-colored mass of tumor in the metaphysis abuts the epiphyseal plate (arrow)
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Henoch-Schönlein purpura
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Acute myocardial infarction (day 7) in the posterior wall of the left ventricle
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Fibrinous pericarditis. The surface of the heart is covered by a shaggy, fibrinous exudate
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Acute rheumatic fever. Uniform, verrucoid-appearing sterile vegetations appear along the line of closure of the mitral valve
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Mitral valve prolapse. The arrow shows prolapse of the posterior mitral leaflet into the left atrium
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Aortic stenosis
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Acute bacterial endocarditis
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Myocarditis. The biopsy shows a lymphocytic infiltrate with dissolution of myocardial fibers
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Peripheral blood reticulocytes with supravital stain (new methylene blue). Red blood cells with thread-like material in the cytosol represent residual RNA filaments and protein (arrow)
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Peripheral blood with coarse basophilic stippling of RBCs in lead poisoning. Note the mature RBC containing numerous dots representing ribosomes (arrow)
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Peripheral blood with sickle cells and target cells, showing the dense, boat-shaped sickle cells. Cells with a bull's-eye appearance are target cells (arrows), which have excess RBC membrane that bulges
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Peripheral blood with sickle cells and Howell-Jolly bodies. The three dense boat-shaped sickle cells and the two cells containing a single dark, round inclusion (arrows) represent nuclear remnants. Howel
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Plasmodium falciparum ring forms in red blood cells (RBCs). This RBC has two ring forms. Multiple infestation of an RBC is characteristic of P. falciparum malaria
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Leukoerythroblastic reaction. Numerous bone marrow reticulocytes with a blue discoloration
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Peripheral blood in CML.
Marked leukocytosis shows neutrophils at different stages of development (segmented and band neutrophils, metamyelocytes and myelocytes) |
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Peripheral blood in CLL.
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Gaucher disease
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Niemann-Pick disease
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Senile purpura
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Laryngeal squamous cell carcinoma
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Asbestos ferruginous body
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Malignant mesothelioma
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Sarcoid granuloma
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Primary lung cancer
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Small cell carcinoma of the lung
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Hairy leukoplakia along the lateral.
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Leukoplakia of the tongue
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.Barrett's esophagus
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. Gastric adenocarcinoma
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Entamoeba histolytica trophozoites
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Celiac disease
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Dermatitis herpetiformis
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Sigmoid diverticulosis
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Crohn's disease
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Normal glomerulus
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.Subepithelial immunocomplex
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RBC cast in the urine
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. Crescentic glomerulonephritis
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Fatty cast under polarization
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.Acute pyelonephritis.
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Benign nephrosclerosis
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Benign prostatic hyperplasia
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Prostate cancer. Arrow.
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A, Candida.
B, Chlamydia trachomatis. C, Gardnerella vaginalis. D, Herpes type E, Herpes type 2. F, Human papillomavirus. |
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G, Neisseria gonorrhoeae.
H, Treponema pallidum. I, Treponema pallidum. J, Trichomonas vaginalis. |
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Extramammary Paget's disease
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.Squamous cell carcinoma of cervix
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.Simple hyperplasia of endometria.jpg
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. Endometrial carcinoma
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. Ruptured ectopic tubal pregnancy
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.Ductal carcinoma in situ (DCIS)
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.Lobular carcinoma in situ
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.Infiltrating ductal carcinoma.
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.Paget's disease of the breast
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. Primary hypothyroidism
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Papillary carcinoma of thyroid.
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.Tophi (arrows)
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.Erythema chronicum migrans
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.Erythema infectiosum
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. Tinea versicolor.
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. Lymphocutaneous sporotrichosis
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.Contact dermatitis.
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.Nail changes in psoriasis
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. Erythema multiforme
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. Erythema nodosum
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.Solar lentigo
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. Seborrheic keratosis on the breast
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. Compound nevus
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.Lentigo maligna melanoma
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.Epidural hematoma
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.Subdural hematoma
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.Atherosclerotic stroke.
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.Embolic stroke
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. Intracerebral hemorrhage
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.Granular immunofluorescence. Granular irregular deposits in the capillaries are caused by immunocomplex deposition (e.g., poststreptococcal glomerulonephritis
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.Huntington disease. Coronal section (A) shows a dilated lateral ventricle and atrophy of the caudate, putamen, and globus pallidus when compared with a normal coronal section (B)
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. Giardia lamblia with two nuclei
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.Keratoacanthoma
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.Liver biopsy stained with Prussian blue in a patient with hereditary hemochromatosis
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.Lung biopsy stained with Gomori methenamine-silver showing septated hyphae and fruiting body (inset) of Aspergillus fumigatus
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.Multiple sclerosis showing multiple areas of demyelinated white matter (arrows pointing to brown plaques)
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analgesic nephropathy showing multiple brownish necrotic papillae (arrows)
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.Neonatal respiratory distress syndrome
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.Neurocysticercosis showing multiple cysts between the gray and white matter
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.Optic disk with papilledema showing loss of the disk margin and hard exudates (white streaks
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.Petechiae in idiopathic thrombocytopenic purpura showing pinpoint hemorrhages, a sign of platelet dysfunction
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.Poststreptococcal diffuse proliferative glomerulonephritis
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.Senile plaque (arrow) shows an eosinophilic center with peripherally located distended neuronal processes (neurites).
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.Tinea corporis showing annular lesions with erythematous margins and clear centers
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.subnuclear vacuoles (arrows) containing mucin push the nuclei of the endometrial cells toward the apex of the cell
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Wernicke's encephalopathy showing hemorrhage and discoloration of mamillary bodies and the wall of the third ventricle
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Wilson's disease showing cavitary necrosis of the putamen on both sides of the brain
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