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Granular cell tumour (GCT), first described by Abrikosoff typically develops as a benign lesion of yet unclear histogenesis. It occurs rarely, mostly in adults, and is localised on the lateral aspect of the tongue, lips, gingiva, buccal mucosa, and in the pharynx and oesophagus. GCT tends to be a small, smooth, painless, elastic-firm mass which arises slowly and asymptomatically. Diagnosis is established based on histopathological examination. The present paper comprises a review of the literature on the subject and a brief report on four cases of lingual GCT. [ABSTRACT FROM AUTHOR]

Anaphylaxis is a severe, life-threatening systemic or generalized immediate hypersensitivity reaction. The incidence of anaphylaxis has increased significantly over the past 20 years. Foods are the most common cause of anaphylaxis. The paper discusses the epidemiology of food-induced anaphylaxis and pathomechanism with particular reference to the role of PAF (platelet-activating factor), its diagnosis and treatment according to international guidelines. [ABSTRACT FROM AUTHOR]