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Eosinophils are a type of granulocyte key to immune system modulation seen in a number of disease processes. Nearly every major organ system can be connected to peripheral eosinophilia through a number of different disease processes, ranging from benign conditions to malignancy. In this paper, we review both common and rare causes of peripheral eosinophilia, their symptoms, and a framework for the workup of peripheral eosinophilia of unknown etiology. [ABSTRACT FROM AUTHOR]

Angiolymphoid Hyperplasia with Eosinophilia (ALHE) is a benign vascular proliferative disorder with uncertain etiology and pathogenesis. The aim of this paper is to report a case of ALHE in the temporal artery and discuss the general aspects of this pathology. A 29-year-old female black patient sought the Vascular Surgery Outpatient Service, complaining of bulging in the right temporal region, associated with pain and local discomfort. Physical examination revealed pulsatile bulging in the right temporal region measuring approximately 2.5 × 1.5 cm. Nuclear Magnetic Resonance showed an expansive fusiform lesion in the superficial soft parts of the right temporal region, measuring 2.9 cm in the longest longitudinal axis. Surgical excision proved to be the best therapeutic option for the patient in this case. Histopathological sections showed the proliferation of vessels of different sizes, covered by swollen endothelium, prominent inflammatory infiltrate composed of lymphocytes, plasma cells, eosinophils, and scarce histiocytes. Immunohistochemical analysis of the lesion showed positivity for CD31, corroborating the diagnosis of ALHE. [ABSTRACT FROM AUTHOR]

M. Y. Kim, J. Yun, D. Y. Kang, T. H. Kim, M. K. Oh, S. Lee, et al. HLA‐A* 24: 02 increase the risk of allopurinol‐induced drug reaction with eosinophilia and systemic symptoms in HLA‐B* 58: 01 carriers in a Korean population; a multicenter cross‐sectional case‐control study. Clin Transl Allergy. 2022 Sep 15;12(9):e12193.This article [1] was published with a technical error in Figure 2, a size of bars in the allopurinol‐tolerant controls. The authors have re‐examined the data and confirmed that this correction would not have resulted in any alteration to the results or conclusion of the paper. The figure 2 should be shown as below.GRAPH [Extracted from the article]