Formation of hard bezoars in the colon

Introduction

Introduction Intestinal obstruction symptoms, due to frequent bowel movements, feces accumulate in the colon can form a hard fecal stone, or secondary megacolon, most of which affect growth and development, can also cause vaginitis or ascending infection, check the anus, common hip flat round The gluteal groove becomes shallow, there is no hole in the anus or only one trace, and the low position deformity can refer to the swelling feeling of the blind end of the rectum. Fecal stone intestinal obstruction is a mechanical intestinal obstruction caused by intestinal feces, etc., and early diagnosis is difficult. In recent years, with the changes in dietary structure, the incidence rate has increased. In addition, with the aging of society, senile fecal stone colon obstruction is increasing. Older patients, due to the particularity of their pathophysiology, make the disease develop rapidly and the mortality rate is high. Many scholars have put forward the key points of early diagnosis and grasping the timing of surgery from the perspective of surgery.

Cause

Cause

Old fecal stone colonic obstruction occurs in elderly patients who are frail and have long-term bedridden habitual constipation. Common in two cases: one is defecation dysfunction, stool excretion is not clean, dry stools and condensed into fecal stones; one is long-term chronic intestinal obstruction caused by tumors, intestinal adhesions, etc., forming fecal stones at the proximal end of the obstruction. hair

The disease mechanism includes:

(1) The patient has constipation caused by rectocele, puborectal muscle syndrome, pelvic floor syndrome and other diseases and factors that can not pass the bowel stenosis;

(2) Defecation feelings decreased or disappeared after surgery, and perianal disease consciously inhibited normal bowel movement;

(3) Edible persimmons, hawthorn and other phthalic acid-containing sulphate and other hard-to-digest foods block the intestinal lumen;

(4) The diarrhea uses excessive hardening stool medicine, which is not excluded after the examination of the sputum, and forms a hard block after drying.

Examine

an examination

Related inspection

Conventional fecal calcium stool stones

Combined with a typical medical history: paroxysmal abdominal pain, bloating, vomiting, and no peritonitis, this diagnosis can be considered. Diagnosis can be confirmed by combining imaging, colonoscopy or discharge of hard stools. If there is comorbidity, the diagnosis of fecal stone colonic obstruction is more difficult.

Diagnosis

Differential diagnosis

Old colon cancer has its own characteristics, mainly as follows:

(1) At the time of the visit, there were many people in the late stage.

(2) A large proportion of patients with cancer obstruction often come to see a doctor when the condition is serious (such as obstruction), and the perioperative period and surgical mortality rate are high, the radical cure rate is low, and complications are many. Through octreotide, colon treatment machine high enema and other treatments, relieve intestinal obstruction, elective surgery, intestinal preparation to fully achieve the first stage suture. Therefore, non-surgical treatment is very important for the treatment of fecal colonic obstruction in elderly colon cancer. Suspected patients with tumors, surgical exploration is the most direct method to clearly diagnose and resolve obstruction. But the overall response to patients is not the best method. After colon enema, if the vital signs are stable, a colonoscopy can be performed directly to confirm the diagnosis by non-invasive methods.

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