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Pharyngitis: Encyclopedia - Pharyngitis
Pharyngitis is a painful inflammation of the pharynx, and is colloquially referred to as a sore throat. Infection of the tonsils, tonsill...
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Chronic Fatigue Syndrome: Encyclopedia - Chronic Fatigue Syndrome
Chronic fatigue syndrome (CFS), also known as myalgic encephalomyelitis (ME), post-viral fatigue syndrome (PVFS) and various other names,...
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Hematological Malignancy: Encyclopedia Ii - Hematological Malignancy - Definition
Hematological malignancies are the types of cancer that affect blood, bone marrow and lymph nodes. As the three are intimately connected ...
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Lymphedema: Encyclopedia Ii - Lymphedema - Causes
Lymphedema may be inherited (primary) or caused by injury to the lymphatic vessels (secondary). It was most frequently seen after surgery...
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Hiv: Encyclopedia Ii - Hiv - Introduction
The discovery of HIV was the fruit of a remarkable collaboration. In 1982, Dr Willy Rozenbaum, a clinician at the Hôpital Bichat in Pari...
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Who Disease Staging System For Hiv Infection And Disease In Adults And Adolescents: Encyclopedia Ii - Who Disease Staging System For Hiv Infection And Disease In Adults And Adolescents - Revised Who Clinical Staging Of Hiv/aids For Adults And Adolescents 2005
(This is the interim African Region version for persons aged 15 years or more who have had a positive HIV antibody test or other laborato...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Causes
Epidemiologic studies from Australia suggest that exposure to ultraviolet radiation is one of the major contributors to the development o...
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Dendritic Cell: Encyclopedia Ii - Dendritic Cell - Life Cycle
Dendritic cells start out as immature dendritic cells. These cells are characterized by high endocytic activity and low T-cell activation...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Diagnosis
Any mole that is irregular in color or shape should be examined by a dermatologist to determine if it is a malignant melanoma, the most s...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Proposed Etiologies And Corresponding Treatments
The cause of CFS is unknown, although a large number of causes have been proposed, and several proposed causes have very vocal and partis...
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Pharyngitis: Encyclopedia Ii - Pharyngitis - Types
Pharyngitis - Viral sore throats.
These comprise about 90% of all infectious cases and can be a feature of many different types of vira...
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Hiv: Encyclopedia Ii - Hiv - Genetic Variability Of Hiv
One of the major characteristics of HIV is its high genetic variability as a result of its fast replication cycle and the high error rate...
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Hiv: Encyclopedia Ii - Hiv - Treatment
HIV infection is a chronic infectious disease that can be treated, but not yet cured. There are effective means of preventing complicatio...
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Hiv: Encyclopedia Ii - Hiv - Life Cycle Of Hiv
HIV - Viral entry to the cell.
The interaction between the glycoprotein gp120 on the HIV virion and its receptor, CD4 on the target cel...
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Hiv: Encyclopedia Ii - Hiv - Hiv Structure And Genome
HIV is different in structure from previously described retroviruses. It is around 120 nm in diameter (120 billionths of a meter; around ...
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Hiv: Encyclopedia Ii - Hiv - The Clinical Course Of Hiv-1 Infection
Infection with HIV-1 is associated with a progressive loss of CD4+ T-cells. This rate of loss can be measured and is used to determine th...
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Hiv: Encyclopedia Ii - Hiv - Hiv Tropism
The term viral tropism refers to the cell type that the virus infects and replicates in. HIV can infect a variety of cells such as CD4+ h...
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Hiv: Encyclopedia Ii - Hiv - Epidemiology
UNAIDS and the WHO estimated that between 36 and 44 million people around the world were living with HIV in December 2004 [2]. It was est...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Symptoms
According to the 1994 Fukuda definition there are eight main categories of symptoms in CFS:
Fatigue: People with CFS experience profound...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Diagnosis
At this time, there is no accepted conclusive test or series of tests of chronic fatigue syndrome. CFS is therefore largely an exclusiona...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Diagnosis
Any mole that is irregular in color or shape should be examined by a doctor to determine if it is a malignant melanoma, the most serious ...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Prevention
Malignant melanoma - Primary.
To prevent or detect melanomas (and increase survival rates), it is recommended that the public:
Learn w...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Course
Chronic fatigue syndrome - Onset.
Some cases of CFS start gradually, but the majority start suddenly, often triggered by a 'flu-like vi...
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Hiv: Encyclopedia Ii - Hiv - Transmission
Since the beginning of the epidemic, three main transmission routes of HIV have been identified:
Sexual route. The majority of HIV infec...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Diagnosis
At this time, there is no accepted conclusive test or series of tests of chronic fatigue syndrome. CFS is therefore largely an exclusiona...
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Lymphedema: Encyclopedia Ii - Lymphedema - Symptoms
When the lymphatic impairment becomes so great that the lymph fluid exceeds the lymphatic system's ability to transport it, an abnormal a...
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Lymphedema: Encyclopedia Ii - Lymphedema - Illustration
Presented here is a case of unilateral herediatary Lymphedema which had been present for 25 years without treatment:
Comparison of normal...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Social Issues
Chronic fatigue syndrome carries a considerable stigma, and has frequently been viewed as malingering, hypochondriacal behavior, "wanting...
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Hematological Malignancy: Encyclopedia Ii - Hematological Malignancy - List Of Diseases
The hematological malignancies include:
Leukemia:
Acute lymphoblastic leukemia (ALL)
Acute myelogenous leukemia (AML)
Chronic myelogeno...
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Dendritic Cell: Encyclopedia Ii - Dendritic Cell - Types Of Dendritic Cells
Unfortunately, there are at least two different types of cells involved with immunity that are called dendritic cells. The exact relation...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Causes
Epidemiologic studies from Australian dermatology suggest that exposure to ultraviolet radiation is one of the major contributors to the ...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Prevention
Malignant melanoma - Primary.
To prevent or detect melanomas (and increase survival rates), it is recommended that the public:
Learn w...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Disease Associations
Some diseases show a considerable overlap with CFS, and it may be hard to distinguish between them. People with fibromyalgia have muscle ...
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Chronic Fatigue Syndrome: Encyclopedia Ii - Chronic Fatigue Syndrome - Epidemiology
Due to problems with the definition of CFS, estimates of its prevalence vary widely. Studies in the United States have found between 75 a...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Staging
Further context on cancer staging is available at TNM.
Stage 0: Melanoma in Situ (Clark Level I), 100% Survival
Stage I/II: Invasive Mela...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Prognostic Factors
Features that affect prognosis are tumor thickness in millimeters (Breslow's depth), depth related to skin structures (Clark level), type...
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Malignant Melanoma: Encyclopedia Ii - Malignant Melanoma - Types Of Primary Melanoma
In the skin:
Superficial spreading malignant melanoma (SSMM)
Nodular melanoma
Acral lentiginous melanoma
Lentigo maligna melanoma
Amelan...
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Dendritic Cell: Encyclopedia Ii - Dendritic Cell - Relationship To Hiv Allergy And Autoimmune Diseases
HIV, which causes AIDS, can bind to dendritic cells via various receptors expressed on the cell. The best studied example is DC-SIGN (usu...
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