Science Source December 1, 2009 DVD
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PHOLight micrograph of postule. Postules represent a small accumulation of neutrophils forming a small elevation of the skin.
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PHOLM of hyperkeratosis of the epidermis, an abnormal thickening of the epidermis. It is caused by an excessive accumulation of keratin in the outer laye...
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PHOVasculitis is the inflammation of blood vessels, short or long-term. The inflammation can lead to changes in the blood vessels such as thickening, nar...
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PHOSpongiosis is a condition characterized by increased intercellular fluid in the epidermis (intercellular edema), leading to dermatitis.
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PHOLight micrograph of a skin section of a patient suffering from Dermatitis herpetiformis, a skin disorder often associated with coeliac disease. Its na...
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PHODermatitis herpetiformis, a skin disorder often associated with coeliac disease. Its name is derived from its having an appearance similar to the lesi...
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PHOGuttate psoriasis, an eruption characterized by small, drop-like, (1-10 mm in diameter) salmon-pink papules, usually with a fine scale. The word "gutt...
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PHOPustular psoriasis, an uncommon form of psoriasis consisting of widespread pustules on an erythematous (red) background.
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PHOLight micrograph of a skin sample of a patient with classical psoriasis. Psoriasis is a chronic skin disease, occuring in about 1% of adults, characte...
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PHOLight micrograph of a skin sample from a patient with lichen planus, a self-limiting inflammatory skin condition.
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PHOLight micrograph of a sample of skin from a patient with pustular psoriasis, an uncommon form of psoriasis consisting of widespread pustules on an ery...
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PHOPustular psoriasis, an uncommon form of psoriasis consisting of widespread pustules on an erythematous (red) background.
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PHOLight micrograph of a skin sample from a patient with classical lichen planus, a self-limiting inflammatory skin condition.
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PHOTemporal arteritis at the histiocytic/giant cell stage. Arteritis is the inflammation of arterial walls. Temporal arteritis affects blood vessels that...
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PHOTissue sample of the macular telangiectasis variant of Urticaria Pigmentosa. Urticaria pigmentosa is a rare disease that produces skin lesions and int...
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PHOGold-induced thrombocytopenia. Thrombocytopenia is the condition of having a low platelet (thrombocyte) count. Platelets are blood fragments that clot...
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PHOErythema multiforme, a skin condition of unknown etiology. It is a common disorder, with peak incidence in the second and third decades of life. The c...
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PHOSmall vessel neutrophilic vasculitis. Vasculitis is the inflammation of blood vessels, short or long-term. The inflammation can lead to changes in the...
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PHOSmall vessel neutrophilic vasculitis. Vasculitis is the inflammation of blood vessels, short or long-term. The inflammation can lead to changes in the...
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PHOLarge vessel neutrophilic vasculitis. Vasculitis is the inflammation of blood vessels, short or long-term. The inflammation can lead to changes in the...
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PHOLight micrograph of a skin section of a patient suffering from chronic dermatitis. Chronic dermatitis (or eczema) refers to a longstanding irritable a...
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PHOSmall vessel neutrophilic vasculitis. Vasculitis is the inflammation of blood vessels, short or long-term. The inflammation can lead to changes in the...
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PHOLymphocytic vasculitis is the inflammation of blood vessels caused by an infiltration of lymphocytes (white blood cells) in the blood vessel walls.
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PHORheumatoid nodule, light micrograph. A rheumatoid nodule is a local swelling or tissue lump which occurs almost exclusively in associated with rheumat...
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PHOLight micrograph of a skin section of a patient suffering from acute dermatitis.
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PHOErythema multiforme; target lesions. A skin condition of unknown etiology, E. multiforme is a common disorder, with peak incidence in the second and t...
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PHOLymphocytoma cutis, a benign skin disorder, is a response to a given stimuli resulting in the accumulation of lymphocytes and other inflammatory cells...
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PHOMicrograph of Letterer-Siwe disease, a form of histiocytosis, a condition characterized by an excessive amount of histiocytes (tissue macrophages) cau...
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PHOLight micrograph of a malignant fibrous histiocytoma. This benign tumor usually occurs in the hands or feet. Such tumors are made up of cellular fibro...
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PHOImage shows a leiomyoma, (uterine fibroma). Uterine leiomyomata are benign tumors that grow from the uterus's muscle layer.
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PHOLight micrograph of a section through a neurofibroma, a tumor of the protective sheaths of nerves. The tumor is slow-growing and benign (non-cancerous...
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PHOA light micrograph of a merkel cell tumor. Merkel cell cancer is a rare and highly aggressive cancer where malignant cancer cells develop on or just b...
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PHOA light micrograph of a merkel cell tumor. Merkel cell cancer is a rare and highly aggressive cancer where malignant cancer cells develop on or just b...
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PHOPatient with two xanthelasmata (or xanthelasma palpebrarum; singular xanthelasma), a sharply demarcated yellowish collection of cholesterol under the...
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PHOLeukemic infiltration of the skin. Leukemia is a cancer of the blood or bone marrow characterized by the production of abnormal white blood cells. Leu...
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PHOLeukemic infiltration of the skin. Leukemia is a cancer of the blood or bone marrow characterized by the production of abnormal white blood cells. Leu...
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PHOBenign lentigo. Also called "age spots" or "liver spots," these flat and brown discolored patches on the skin may occur singly or in groups. They are...
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PHOLight micrograph of junctional nevus, more commonly known as a mole. It is usually found in the border between the dermis and epidermis layers of the...
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PHOLight micrograph of a section through a junctional or junction naevus, a type of skin mole. This pigmented naevus is produced by abnormal clustering o...
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PHOPatient with scleroderma, a chronic autoimmune disease characterized by a hardening or sclerosis in the skin or other organs.
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PHOScleroderma, a chronic autoimmune disease characterized by hardening or sclerosis in the skin or other organs.
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PHOScleroderma is an autoimmune disorder where the body's immune system attacks its own cells. Scleroderma results in the persistent hardening of the bod...
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PHOMicrograph of a pyogenic granuloma. A pyogenic granuloma is neither pyogenic (producing pus) nor a granuloma (inflamed cells). It is a harmless overgr...
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PHOLight micrograph of a skin section of a patient with strawberry naevus, also known as strawberry hemangioma or infantile haemangioma. The raised, red,...
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PHOLymphangioma on a person's neck. This rare, harmless tumor consists of proliferation of lymph vessels. They resemble blisters that, if damaged, fill w...
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PHOLight Micrograph of lymphangioma. This rare, harmless tumor consists of proliferation of lymph vessels. They resemble blisters that, if damaged, fill...
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