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Tang Da Wei
General Surgery
About me
Graduated from the Department of General Surgery at Anhui Medical University, with a master's degree, and has been working in the medical field for over 10 years. Previously received further training in basic surgery at Peking Union Medical College Hospital in Beijing.
Proficient in diseases
Minimally invasive laparoscopic surgery for general surgery, gallstones, common bile duct stones, inguinal hernia, gastric cancer, and colorectal cancer, as well as comprehensive systemic treatment.
Voices
What should not be eaten with lipoma?
Lipomas are considered benign lesions, primarily caused by abnormal proliferation of subcutaneous fat. They form lumps in adipose tissue. If a patient is clearly diagnosed with a lipoma, it is generally recommended to adhere to a light diet, consuming less food that is high in fats or proteins. It is also advised to engage in more physical activity. Through appropriate exercise, it can effectively reduce subcutaneous adipose tissue, which can lead to weight loss. It is not recommended to eat fatty meats, protein-rich foods, seafood, and the like.
How deep is a tetanus wound?
There is no clear boundary concerning how deep a wound needs to be to carry a risk of tetanus; mainly, it depends on whether the conditions allow for anaerobic bacteria to thrive. Particularly, wounds that are very small on the surface but deep can lead to substantial proliferation of tetanus bacilli. A common example is a foot wound caused by stepping on a nail, where the exterior opening of the wound is small, but it is deep inside, and the nail surface may be rusty and also carry a large amount of tetanus bacilli. If the wound is not promptly and thoroughly cleaned, it can lead to massive growth of tetanus bacilli, resulting in the onset of severe illness in the patient.
Do lipomas hurt when pressed?
For most lipomas, there is no pain when pressed. Lipomas are formed due to excessive proliferation of subcutaneous fat, with clear boundaries and very good mobility, and there is no pain upon pressing. If the lipoma is small or there are multiple lipomas, there is no need for excessive attention or surgical treatment in everyday life. Of course, excessive massaging or rubbing should be avoided. If pain occurs when pressing the lipoma, or if the lipoma is relatively large and grows significantly in a short period, surgical removal should be considered. Generally, the lipoma can be completely removed under local anesthesia.
Is it necessary to get a tetanus shot?
Getting a tetanus shot is very necessary if a patient has had an injury or has wounds on the body. Without a tetanus shot, there might be a risk of tetanus infection. The main reason is due to the presence of tetanus bacillus spores in the natural environment, which could colonize within the wound if it's exposed. This can potentially lead to a tetanus infection. Severe cases can present with symptoms such as opisthotonos, breathing difficulties, suffocation, and could even lead to death. The tetanus shot involves injecting tetanus antitoxin into the patient's body, which is a form of passive immunity and can prevent some symptoms of tetanus infection.
Can lipomas be massaged?
Lipomas should not be massaged. They form from abnormal hyperplasia in the subcutaneous fat tissue of the patient, presenting as localized nodules or lumps with clear boundaries and usually painless when pressed. Lipomas can be solitary or multiple. If the lipoma is small, close follow-up is sufficient; massaging or local stimulation is generally not recommended. Massaging or stimulating the area can potentially lead to an increase in the size of the lipoma, and it may provoke pain and other complications. In severe cases, it can cause the lipoma to become malignant.
How to eliminate hypertrophic scars?
For the elimination of hypertrophic scars, one can apply anti-scarring ointment to the surface early after surgery. If the patient indeed has a scarring constitution, at the end of the surgery, it is advisable to inject medications into the subcutaneous area or within the wound tissue to prevent excessive or abnormal scar proliferation. If necessary, radiotherapy can be applied; under the effect of X-rays, it can effectively prevent the abnormal proliferation of scar tissue and the abnormal and excessive growth of fibroblasts. If there is already hypertrophic scarring, one might consider excising the hypertrophied scar tissue and re-suturing the wound.
How to press back an umbilical hernia?
Umbilical hernias are generally more common in newborns, primarily because the umbilical ring has not yet completely closed. In children, lumps appear in the navel area when they cry or when abdominal pressure increases. To address an umbilical hernia, first massage the area around the belly button, then gently return the hernial sac to the abdominal cavity with both hands. After returning the hernia, secure it externally with a hernia belt. This can effectively prevent the recurrence of the umbilical hernia. Typically, through conservative treatment, which involves this method of binding for about one to two months, the patient’s umbilical hernia can heal on its own.
The difference between hypertrophic scars and keloids
In a strict sense, hypertrophic scars and keloids are similar in their pathogenesis. For hypertrophic scars, the typical presentation is localized overgrowth at the scar site, which means that there is an overgrowth during the wound healing process, resulting in a relatively large and numerous scar. Keloids represent a more severe condition where there is a localized raised scar on the wound, which can be significantly large, sometimes resembling a bug on the surface of the scar. They are more likely to occur in areas like the neck, behind the ears, and under the earlobes. For the treatment of hypertrophic scars and keloids, if the patient has a predisposition to scarring, considerations include early intervention during wound suturing and healing, such as injection of medications or radiation therapy.
Can holding urine lead to uremia?
Holding urine will not cause uremia. Holding urine may lead to bladder fullness, and after a long time, it might cause dilation of the ureters, but it will not lead to uremia. Uremia is caused by renal insufficiency or end-stage renal failure, characterized by significantly increased creatinine and urea nitrogen in the patient's body, with reduced urine output or even anuria. Once uremia is diagnosed, it generally requires hospitalization for dialysis treatment, which involves removing toxins from the body through dialysis. Additionally, it is advised to consume nutritionally rich foods in daily life.
Can an umbilical hernia cause diarrhea?
Umbilical hernias rarely cause diarrhea in patients. An umbilical hernia mainly occurs because the umbilical ring is not completely closed, allowing parts of the small intestine or omentum to enter under the skin at the belly button, forming a noticeable bulge. The most common symptom caused by umbilical hernias is intestinal obstruction, which presents as abdominal pain. This mainly occurs when the small intestine becomes trapped in the umbilical ring and cannot easily retract, which rarely leads to symptoms of diarrhea. If a patient experiences diarrhea, further medical examination at a hospital is necessary to determine if it is caused by other reasons.