Appendix fibrosis

Chronic appendicitis refers to chronic inflammation of the appendix after the acute inflammation of the appendix subsides, such as fibrous connective tissue hyperplasia, narrowing or occlusion of the lumen, distortion of the appendix, and adhesion to surrounding tissues. The appendix wall is hypertrophic, fibrotic, thick, short and tough, with a gray-white surface, thickened, shortened, and hardened mesangial appendix, infiltration of lymphocytes and eosinophils around blood vessels under the mucosa or serosa, and some foreign bodies The cells exist. Sometimes the appendix wall is fibrotic and the lumen is narrowed, or even occluded into a rope, similar to the aging and atrophy of the appendix. Stenosis and occlusion start from the appendix tip to the root. If only the root is occluded, the distal lumen can be filled with mucus, forming a mucocyst. After chronic inflammation of the appendix, it can curl on its own, or be surrounded by a large number of fibrous adhesions. The lumen contains fecal stones or other foreign bodies.

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