Background: Rapunzel syndrome refers to a gastric bezoar with post-pyloric extension.
Case Presentation: A child of primary school age presented with four days of abdominal pain, nausea, vomiting and a non-tender palpable mass in the upper part of the abdomen. The child had a history of trichotillomania and trichotillophagia.
Nickel allergy is the most common cause of allergic reactions worldwide, with cutaneous and systemic effects potentially affecting multiple organs. Monocytes are precursors of not only macrophages but also dendritic cells, the most potent activators of nickel hypersensitivity. Monocytes are themselves important antigen-presenting cells, capable of nickel-specific T-cell activation in vivo and in vitro, in addition to being important for immediate innate immune inflammation.
View Article and Find Full Text PDF