Term
pathogenesis of acute
appendicitis |
|
Definition
| related to blockage of small central lumen of appendix by fecolith.Mucosa is damaged. Bacteria normally present in large bowel gain access - cause inflammation |
|
|
Term
clinical symptoms of acute
appendicitis |
|
Definition
| Complications - perforation, peritonitis, abscess, adhesions. The pain associate with appendicitis is due to infiltration of the muscle wall of the appendix by inflammatory cells. |
|
|
Term
important complication of acute
appendicitis |
|
Definition
| Mcburney’s sign- deep tenderness notated at a location two thirds of the distance from the umbilicus to right anterior superios iliac spine |
|
|
Term
| mucocele of the appendix definition |
|
Definition
| mucus secretion of epithelial cells continues, resulting in a greatly dilated appendix filled with mucus material. This condition is known as pseudomyxoma peritonei - "jelly belly |
|
|
Term
| morphology of mucocele of the appendix |
|
Definition
| blocked proximal end (fecolith) |
|
|
Term
| clinical significance of mucocele of the appendix |
|
Definition
| Danger is if mucocele ruptures, mucus-producing epithelium can be spread throughout peritoneal cavity and continue to produce mucus |
|
|
Term
| pseudomyxoma peritonei definition |
|
Definition
| jelly belly caused by mucus secretion of epithelial cells continues, resulting in a greatly dilated appendix filled with mucus material |
|
|
Term
| morphology of pseudomyxoma peritonei |
|
Definition
| Similar condition can occur with a mucinous tumor of the ovary. |
|
|
Term
| clinical significance of pseudomyxoma peritonei |
|
Definition
| dangerous if ruptured, can spread |
|
|
Term
| carcinoid tumor of the appendix definition |
|
Definition
| most common tumor of the appendix |
|
|
Term
| gross appearance of carcinoid tumor of the appendix |
|
Definition
| solid bulbous swelling two to three centimeters in diameter. |
|
|
Term
| clinical significance of carcinoid tumor of the appendix |
|
Definition
| Extremely rare for carcinoid tumors of appendix to behave in a malignant fashion. In this location they are generally considered benign and are often only incidental findings, producing no clinical disease. |
|
|
Term
| A 70-year-old previously healthy man noted blood streaked stool and saw his physician. On physical examination the stool was positive for blood, though a lesion could not be palpated by digital rectal examination (DRE). There were no palpable abdominal masses or organomegaly. There was no tenderness and bowel sounds were active. An appendectomy scar was present in the right lower quadrant. A colonoscopy was performed, and there was an area of obstruction from an encircling mass with superficial ulceration that was located at 20 cm above the peri-anal area. Which of the following risk factors was most likely to have been present for development of this lesion? |
|
Definition
| prior abdominal surgery . |
|
|
