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Based on their causes, hypereosinophilias can be sorted into subtypes. However, cases of eosinophilia, which exhibit eosinophil counts between 500 and 1,500/μL, may fit the clinical criteria for, and thus be regarded as falling into, one of these hypereosinophilia categories: the cutoff of 1,500/μL between hypereosinophilia and eosinophilia is somewhat arbitrary.
Depending on eosinophil target-organ infiltration, the clinical presentation of hypereosinophilic syndrome (HES) varies from patient to patient. [13] Individuals with myeloproliferative variant HES may be more likely to experience mucosal ulcerations involving the genitalia or airways, while patients with lymphocytic variant HES typically exhibit prominent skin symptoms such as urticarial ...
Symptoms tend to be brief, but can range from mild to severe and include: fever, vomiting, increased respirations or difficulty breathing, cough, wheeze, and rash. Symptoms typically follow an exposure to allergens or certain drugs, and last approximately two weeks. [3] Eosinophilia is the main feature of diagnostic criteria for Loffler's syndrome.
a) lymphadenopathy occurring in ~60% of patients; b) eosinophil infiltrations in lung similar to, and often diagnosed as, eosinophilic pneumonia, occurring in ~20% of patients; c) episodic angioedema-related gastrointestinal symptoms that are sometimes similar to symptoms of the irritable bowel syndrome occurring in ~20% of patients;
The third stage is a fibrotic stage, i.e. Loeffler endocarditis, wherein scarring replaces damaged heart muscle tissue to cause a poorly contracting heart and/or heart valve disease. Recent publications commonly refer to Loeffler endocarditis as a historical term for the third stage of eosinophilic myocarditis. [5] [6] [7]
Eosinophilic cellulitis, also known as Wells' syndrome (not to be confused with Weil's disease), is a skin disease that presents with painful, red, raised, and warm patches of skin. [2] The rash comes on suddenly, lasts for a few weeks, and often repeatedly comes back. [ 2 ]
Clonal hypereosinophilia, also termed primary hypereosinophilia or clonal eosinophilia, is a grouping of hematological disorders all of which are characterized by the development and growth of a pre-malignant or malignant population of eosinophils, a type of white blood cell that occupies the bone marrow, blood, and other tissues.
The disease may occur more frequently in women over the age of 60. [4] There is increasing awareness of lymphocytic esophagitis among physicians, perhaps affecting the prevalence over time. [1] The majority of the studies on lymphocytic esophagitis are after 2015. [1]