Rectum, Gastroenterology and Hepatology FAQ - Page 14

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Understanding Rectal Bleeding: Causes and Concerns for Your Health

Rectal bleeding Dear Doctor, Hello. My sister has recently noticed blood in her stool when she goes to the bathroom. She mentioned that it resembles menstrual bleeding, and at first, she thought it was an early period. However, she later realized that it was blood from her bowe...


Dr. Chen Zhiping Reply:
Hello, experiencing fresh blood during bowel movements, which appears to be from the anus or rectum, without abdominal pain, and considering your young age, is less likely to be indicative of intestinal tumors or inflammatory bowel disease. The most probable cause is hemorrhoidal...

[Read More] Understanding Rectal Bleeding: Causes and Concerns for Your Health


Understanding Abdominal Pain: When to See a Gastroenterologist

Which area is affected? Hello, I have a few questions to ask: 1. Below the navel (above the genitals), I can feel a bone, which should be the pelvic cavity. Recently, I have occasionally felt a slight dull pain in the lower abdomen on the right side, near the upper right edge o...


Dr. Chen Zhiping Reply:
Reply: Hello, 1. This area may correspond to the terminal ileum, cecum, or appendix in males, as you mentioned. Other possibilities include the sigmoid colon, ureters, and bladder (though less likely), which could be evaluated by either gastroenterology or colorectal surgery. ...

[Read More] Understanding Abdominal Pain: When to See a Gastroenterologist


Understanding the Causes of Rectal Bleeding: Insights from Gastroenterology

Consultation I visited the colorectal department at the Veterans General Hospital, where I was informed that I have a mild case of hemorrhoids and some skin breakdown around the anus due to scratching. They prescribed some topical treatment and recommended a stool test since I ha...


Dr. Chen Zhiping Reply:
Hello, the presence of occult blood in the stool indicates that there are blood components in the feces. There are many reasons that can cause a positive occult blood reaction, such as consumption of red meat (beef, lamb), broccoli, or Brussels sprouts, or even eating pig or chic...

[Read More] Understanding the Causes of Rectal Bleeding: Insights from Gastroenterology


Do Stomach or Colon Cancers Always Cause Blood in Stool?

I have a question? I would like to ask the doctor... Is it true that stomach cancer or colon cancer always presents with blood in the stool? If there is bleeding in the stomach or intestines, is it always blood in every bowel movement, or can it be intermittent? A few days ago, I...


Dr. Chen Zhiping Reply:
Hello, the presence of blood in the stool does not necessarily indicate gastric or colorectal cancer. If there is gastrointestinal bleeding from the upper digestive tract, the stool is typically black or dark red. In contrast, if the bleeding originates from the lower digestive t...

[Read More] Do Stomach or Colon Cancers Always Cause Blood in Stool?


Understanding Sudden Changes in Bowel Habits: Causes and Concerns

Diarrhea is unusual? Hello, doctor. I originally had a habit of constipation, and my stools were hard. However, a few days ago, I suddenly started experiencing intermittent abdominal pain without any urge to have a bowel movement until I went to the bathroom and strained, which r...


Dr. Chen Zhiping Reply:
Hello, sometimes hard stools can become impacted in the rectum, leading to the passage of watery stools instead. I recommend that you visit a hospital for an abdominal X-ray. If necessary, the physician may also arrange for a colon examination. Sincerely, Dr. Chen Zhi-Ping, Inter...

[Read More] Understanding Sudden Changes in Bowel Habits: Causes and Concerns


Sudden Severe Rectal Bleeding: When to Seek Medical Attention?

Sudden massive bleeding..? Dear Doctor: Recently, I experienced a sudden onset of heavy bleeding during bowel movements, which has persisted for several days. On the first day of these symptoms, I also had diarrhea. The amount of blood this time is unprecedented. For the followin...


Dr. Chen Zhiping Reply:
Hello: The sudden occurrence of fresh blood in the stool is indeed a concerning situation. The causes may include bleeding from hemorrhoids, lesions in the rectum or colon (which could be tumors or inflammation, as well as diverticula, polyps, or vascular abnormalities). A small ...

[Read More] Sudden Severe Rectal Bleeding: When to Seek Medical Attention?


Is Blood in Stool a Sign of Stomach Bleeding? Symptoms to Watch For

Blood in the stool can indicate gastrointestinal bleeding, but it does not necessarily mean it is from the stomach. Symptoms of gastrointestinal bleeding may include: 1. Bright red or dark red blood in the stool. 2. Black, tarry stools (melena), which may indicate bleeding from ...


Dr. Su Baojia Reply:
Blood in the stool typically raises concerns about hemorrhoids or diseases of the colon. In cases of gastrointestinal bleeding, the stool is usually black, unless there is a significant amount of bleeding from the stomach, which may result in red stools.

[Read More] Is Blood in Stool a Sign of Stomach Bleeding? Symptoms to Watch For


Understanding Rectal Carcinoid Tumors: Differences, Treatment, and Prognosis

Carcinoid tumor~~~ Hello Doctor, I recently underwent a comprehensive health check-up at Cheng Kung University Hospital, and during an endoscopic rectal examination, a tumor was discovered. After two outpatient surgeries for biopsy, I was diagnosed with a rectal carcinoid tumor, ...


Dr. Yang Peizhen Reply:
Hello! I apologize for the delayed response to your question. As an internist, I need to consult some resources to address surgical issues. Rectal carcinoids differ histologically from the more commonly referred rectal adenocarcinomas, and they also have different degrees of mali...

[Read More] Understanding Rectal Carcinoid Tumors: Differences, Treatment, and Prognosis


Understanding Gastrointestinal Issues: What to Expect from Exams and Treatments

Poor gastrointestinal motility? I often experience itching and pain in the anal area, and sometimes I have sharp pains. Occasionally, there is blood and discharge when I wipe after a bowel movement. I also have sharp pains that make me hesitant to defecate, and I frequently feel ...


Dr. Yang Peizhen Reply:
Hello! Pain and itching around the anus are usually caused by anal fissures or inflammation of the anal area, which may result from hard stools or inadequate cleaning after bowel movements. It is also possible that there are lesions in the rectum or colon, making a colonoscopy ne...

[Read More] Understanding Gastrointestinal Issues: What to Expect from Exams and Treatments


Blood After Bowel Movements: Causes and Solutions

Blood after bowel movement? Doctor, every time I have a bowel movement, as long as it's not diarrhea (meaning it's firm and formed), I notice blood when I wipe. This has been happening for a while. What could be causing this?


Dr. Yang Peizhen Reply:
Hello! When stool is expelled from the rectum, the anal sphincter muscles contract, and sometimes due to the stool being hard, excessive straining can occur, which may lead to anal fissures and bleeding. Additionally, if there are hemorrhoids (internal or external), this can also...

[Read More] Blood After Bowel Movements: Causes and Solutions


How to Treat a Stomach Ulcer: Overcoming Fear of Endoscopy

How should a perforated stomach be treated? I recently underwent an endoscopy at the hospital, which revealed a perforation in my stomach, and I have been experiencing bloody stools. The hospital informed me that the National Health Insurance requires an endoscopy for coverage, s...


Dr. Yang Peizhen Reply:
Hello: Two days before the colonoscopy, start taking laxatives and drink at least 2000 c.c. of fluids daily, while trying to consume a low-residue diet. On the day of the examination, fast from breakfast (if the procedure is in the morning). Before the procedure, change into a go...

[Read More] How to Treat a Stomach Ulcer: Overcoming Fear of Endoscopy


Understanding Gastrointestinal Symptoms: When to Seek Medical Help

excuse me? Hello, I would like to ask about a recent issue I've been experiencing. After eating, I immediately need to use the restroom, and I've noticed some bleeding. Additionally, there is a small protrusion on the left side of my abdomen that is painful when pressed...


Dr. Yang Peizhen Reply:
Hello! This indicates a problem with the intestines, usually the colon, especially if there is bleeding (red?). This suggests a lesion closer to the lower end of the colon or the rectum. Additionally, there is a protrusion in the left abdomen that is painful when pressed, which i...

[Read More] Understanding Gastrointestinal Symptoms: When to Seek Medical Help


Understanding Colonoscopy: Scope, Limitations, and Insights

Questions about colonoscopy? 1. Is a colonoscopy the same as an endoscopy of the intestines? 2. Does a colonoscopy only examine the proximal part of the colon? Can it also assess the rectum and small intestine? If so, please explain the principle. Thank you!


Dr. Yang Peizhen Reply:
Hello! There are two types of endoscopy: colonoscopy and enteroscopy. A colonoscopy is performed by inserting a scope through the anus, advancing through the sigmoid colon, descending colon, transverse colon, ascending colon, and reaching the cecum, which is the starting point of...

[Read More] Understanding Colonoscopy: Scope, Limitations, and Insights


Why Do Gas and Bloating Occur Near Menstrual and Ovulation Periods?

Flatulence Hello, Dr. Su. I would like to ask a peculiar question. Why is it that every time during my menstrual period or ovulation, the gas released from my rectum seems to travel forward to the vaginal opening? This doesn't happen at other times, and I'm wondering if...


Dr. Su Baojia Reply:
The symptoms of diarrhea or watery stools that occur while passing gas are still due to enteritis. As for the presence of any rectal abnormalities, a detailed examination is necessary to confirm.

[Read More] Why Do Gas and Bloating Occur Near Menstrual and Ovulation Periods?


Understanding Intestinal Obstruction: Symptoms and Diagnosis

Intestinal obstruction Initially, there was difficulty in bowel movements, and after about a month, there has been an inability to pass stool or gas, along with frequent bloating. Currently, the patient is afraid to eat, fearing that gas will accumulate in the intestines. An endo...


Dr. Yang Guojun Reply:
Colonoscopy can sometimes cause pain and result in unsuccessful examinations due to individual variations in the curvature of the colon. In such cases, a non-direct colon imaging method may be employed. This method is less painful and has a higher success rate; however, it has th...

[Read More] Understanding Intestinal Obstruction: Symptoms and Diagnosis


Understanding the Procedure for Colonoscopy: Key Points and Differences

Procedure for Colonoscopy in Gastroenterology & Surgery What are the key points of the procedures for colonoscopy in gastroenterology and surgery? (What are the differences?) What are the key points of the procedure for a gastroenterology colonoscopy? 1. What is the positio...


Dr. Yang Peizhen Reply:
Hello: The key points of the colonoscopy procedure in gastroenterology are as follows: 1. The examination position is left lateral, with both legs bent as much as possible towards the abdomen; kneeling or lying face down is not acceptable. 2. Before the examination, a shot of an ...

[Read More] Understanding the Procedure for Colonoscopy: Key Points and Differences


Understanding Abdominal Pain: Possible Causes and Concerns

Abdominal issues? Hello Doctor: My boyfriend is 24 years old and has been experiencing a dull pain in his lower right abdomen for the past week. Two days later, he developed a high fever reaching 39 degrees Celsius. After the fever subsided, he has been experiencing persistent hi...


Dr. Yang Peizhen Reply:
Right lower abdominal pain must consider issues related to the appendix, colon, and small intestine (ileum). Additionally, with a high fever reaching 39 degrees Celsius, acute appendicitis should be the primary consideration, followed by enteritis or diverticulitis (though the li...

[Read More] Understanding Abdominal Pain: Possible Causes and Concerns


Understanding Intestinal Foreign Objects: Risks and Recovery

Intestinal foreign body Hello, Dr. Chen. On May 11, I inserted a small cucumber approximately 15 centimeters long into my rectum, and it has not been removed since. My bowel movements seem to be normal, but I constantly feel like there is a foreign object in my intestines, and I ...


Dr. Chen Shidian Reply:
Dear netizens: Please seek medical attention promptly!

[Read More] Understanding Intestinal Foreign Objects: Risks and Recovery


Which Specialist Should I See for Lower Back and Rectal Pain?

Which specialty should I see? I often experience soreness from my lower back to the anal area, whether standing or sitting, and it feels similar to pressure on the sacral vertebrae. I previously visited a rehabilitation specialist and had X-rays taken, but the doctor said there w...


Dr. Chen Shidian Reply:
Hello, based on your description, pelvic issues may be related to local tissues and organs, including gynecological, colorectal, and neuromuscular factors. You might want to start by examining gastrointestinal aspects. Wishing you well!

[Read More] Which Specialist Should I See for Lower Back and Rectal Pain?


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