20 Result(s)
within
Chapter
Da**g **a
Allergology
General Practice / Family Medicine
Internal Medicine
Medicine/Public Health, general
Primary Care Medicine
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Immune-Mediated Rheumatic Diseases
Systemic lupus erythematosus (SLE) is the prototypical human, autoimmune disease and is characterized by immune dysregulation, production of autoantibodies, generation of circulating immune complexes, and acti...
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Rhinitis
Rhinitis is a common problem encountered daily by most health professionals. Although allergy is the most common cause of rhinitis, the clinician should be aware of the complex differential diagnosis and the v...
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Allergic Diseases of the Eye
The eye is a common target of inflammatory responses induced by local and systemic immunological hypersensitivity reactions. Inflammatory ocular conditions resulting from immune responses are highly prominent ...
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Allergic Contact Dermatitis
Allergic contact dermatitis, an inflammatory skin disease characterized by erythema, edema, vesiculation, and scaling, is a delayed type hypersensitivity reaction following cutaneous exposure to allergenic che...
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Atopic Dermatitis
Atopy can be defined as a familial hypersensitivity of skin and mucous membranes against environmental substances, associated with increased immunogloblin E (IgE) production and/or altered unspecific reactivit...
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Drug Allergy
Drug allergy and sensitivity is one of the most challenging presentations that the practicing allergist encounters. Because of the extensively complex nature of these cases and the multiply mediated forms of d...
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Anaphylaxis
Anaphylaxis is the most severe presentation of immediate-type hypersensitivity. It occurs rapidly and is often dramatic and unanticipated. Most episodes are not fatal; however, death may occur suddenly through...
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Occupational Asthma
Occupational asthma is believed to be responsible for up to 15% of all new cases of asthma in the United States. Evaluation of patients with asthma, therefore, requires a careful and complete work history to i...
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Mastocytosis
Mastocytosis is a neoplastic disease involving mast cells (MC) and their CD34+ progenitors and consists of a heterogeneous group of diseases with a clinical spectrum ranging from localized mastocytoma to gener...
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HIV/AIDS and Complications
In the setting of human immunodeficiency virus (HIV) and acquired immune deficiency syndrome (AIDS), two well-characterized syndromes can present with fevers, rash, headache, and other nonspecific complaints t...
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Immunodeficiency
In this chapter, we will describe two cases involving human immune deficiency. One case involves a unique complication while the other case involves an atypical presentation. The first case describes a pregnan...
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Autoimmune Diseases
Autoimmune diseases are characterized by autoantibody formation and visceral involvement that is often of an inflammatory nature. Rheumatoid arthritis (RA) is a classic immune complex disease characterized by ...
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Chronic Rhinosinusitis
Rhinosinusitis describes a group of inflammatory conditions of the nasal mucosa and paranasal sinuses that affect 31 million people in the USA each year. When the term chronic rhinosinusitis (CRS) is used, it ...
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Urticaria and Angioedema
The different urticaria subtypes represent a common diagnostic and treatment challenge. In acute urticaria that is often induced by an acute infection and/or intake of NSAID such as acetylsalicylic acid, no fu...
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Hypersensitivity Pneumonitis
Hypersensitivity pneumonitis (HP), also known as extrinsic allergic alveolitis, encompasses a group of pulmonary disorders characterized by immune response to a variety of antigens derived from medications, ch...
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Food Allergy
IgE-mediated food allergies are part of a spectrum of adverse reactions to foods including immune and nonimmune mechanisms. Anaphylaxis is the most serious and life-threatening manifestation of food allergy. A...
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Eosinophilia and Eosinophilic Disorder
Eosinophilic disorders are a spectrum of diseases characterized by peripheral eosinophilia and eosinophilic infiltration in various organs. The manifestation of each disease varies by the affected organ. Here,...
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Asthma Conundrums
Difficult-to-control asthma in adult patients is a conundrum encountered frequently in clinical practice. Recognizing the range of asthma case presentations and conundrums can improve asthma treatment plans an...
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Allergic Bronchopulmonary Aspergillosis
Allergic bronchopulmonary aspergillosis (ABPA) is a hypersensitivity response to Aspergillus antigens in the lung, which is an uncommon but serious respiratory condition characterized by chronic airway inflammati...
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Disorders of Immune Regulation
Immune system homeostasis is tightly maintained by regulatory mechanisms that allow for the destruction of pathologic microorganisms while preventing pathologic inflammation. Disruption of these regulatory mec...
