Lump in the middle and lower part of abdomen may be colorectal cancer, or some benign diseases such as peri-appendiceal abscess, intestinal tuberculosis, extra-abdominal hernia, etc. It is necessary to do further examination to clarify the cause of the disease and then provide symptomatic treatment.
1. Colorectal cancer: Colorectal cancer patients may have abdominal mass, which is hard and irregular on palpation, with unclear boundary with surrounding tissues. When intestinal perforation and infection occur, the mass is relatively fixed and there are symptoms such as abdominal pain and pressure pain.
2. Periappendiceal abscess: acute appendicitis perforation, untreated, the greater omentum can migrate to the site of infection will be infected foci wrapped in the formation of inflammatory masses or abscesses, the patient more recently, right lower abdominal pain, fever, chills and other acute appendicitis manifestations, the examination can be found in the right lower abdominal mass, with compression pain.
3. Intestinal tuberculosis: intestinal tuberculosis abdominal mass is mostly proliferative intestinal tuberculosis, in addition to abdominal pain, mucopurulent blood stools, abdominal mass and other local symptoms, the patient has systemic tuberculosis symptoms, such as prolonged low-grade fever, night sweats (sweating abnormally after going to sleep, and waking up sweating stops), malaise, emaciation and so on.
4. Extra-abdominal hernia: Extra-abdominal hernia can be formed when the organs and tissues in the abdominal cavity protrude outward through the defect of the abdominal wall, and the mass in the middle and lower abdomen may be caused by extra-abdominal hernia such as straight hernia, umbilical hernia, incisional hernia, and so on.
It is recommended to go to the hospital as soon as possible to improve the colonoscopy, abdominal CT, tumor markers and other related tests, as soon as possible to identify the cause to be treated accordingly.