chronic appendicitis

appendicitis /ap·pen·di·ci·tis/ (ah-pen″dĭ-si´tis) inflammation of the vermiform appendix.

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acute appendicitis  appendicitis of acute onset, requiring prompt surgery, and usually marked by pain in the right lower abdominal quadrant, referred rebound tenderness, overlying muscle spasm, and cutaneous hyperesthesia.

chronic appendicitis 

1. that characterized by fibrotic thickening of the organ wall due to previous acute inflammation.

2. formerly, chronic or recurrent pain in the appendiceal area, without evidence of acute inflammation.

fulminating appendicitis  that marked by sudden onset and usually death.

gangrenous appendicitis  that complicated by gangrene of the organ, due to interference of blood supply.

obstructive appendicitis  a common form with obstruction of the lumen, usually by a fecalith.

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chronic appendicitis,

a type of appendicitis characterized by thickening or scarring of the vermiform appendix, caused by previous inflammation.