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The role of biopsy in the diagnosis of skin cancer

Consulted by: Specialist Doctor I Le Thi Thu Hang, Dermatologist, Department of Medical Examination & Internal Medicine - Vinmec Hai Phong International General Hospital
A skin biopsy is a procedure in which a piece of skin about 2 to 5 mm in size is removed for histopathological examination. This is one of the measures used to diagnose and verify skin cancer.

1. What is a skin biopsy?


Skin biopsy is a procedure in which a piece of skin about 2 to 5 mm in size is removed for histopathological examination.
To perform this technique, the doctor will use a small pen-shaped instrument measuring 2mm, 3mm, 4mm to take a biopsy sample on the skin and then sew it up with a stitch. The results of skin biopsies help confirm the diagnosis of skin diseases, specifically skin cancer.
This method is popular in many developed countries but it is not popular in Vietnam.
Vai trò của sinh thiết trong chẩn đoán ung thư da
Sinh thiết da là thủ thuật lấy một mảnh da có kích thước khoảng từ 2 đến 5mm để xét nghiệm mô bệnh học

2. Who can perform a skin biopsy?

Patients with lesions in the skin and mucous membranes may be indicated for a skin biopsy to verify the presence of skin cancer, after a clinical examination.

3. What are the advantages and disadvantages of the skin biopsy method?


Skin biopsy is an easy and fast technique. The specimen is cylindrical in shape from only the surface of the skin to the subcutaneous fat layer. Performing skin biopsy by punch biopsy is safe and accurate, helping to diagnose and rule out malignancies before laser treatment. Because this technique is not yet popular, the cost is higher than that of a knife biopsy.

4. Procedure for performing skin biopsy technique

Vai trò của sinh thiết trong chẩn đoán ung thư da
Quy trình thực hiện kỹ thuật sinh thiết da
Step 1: Prepare the patient
Select the damaged area to conduct biopsy. The patient's position must be comfortable to facilitate the procedure. The site of skin biopsy must be sufficiently exposed. Step 2: Carry out the procedure
Disinfect the skin for biopsy. Local anesthetic. Step 3: Conduct
Use punch biopsy to drill down the area to be biopsied. Specimens include both the dermis and the fat layer. Sew the skin with 1 or 2 loose stitches.
Vai trò của sinh thiết trong chẩn đoán ung thư da
Kỹ thuật sinh thiết da

5. Skin biopsy technique at Vinmec Hai Phong International General Hospital


As the 7th hospital under Vinmec Health System officially put into operation from June 2018, Vinmec Hai Phong International General Hospital is synchronously invested in facilities and modern equipment. world leader, effectively supporting diagnosis and treatment, serving medical examination and treatment.
Here, one of the services provided is histopathology. Patients who suspect skin cancer can make an appointment to visit the doctor. Based on the clinical signs, the doctor can assign the patient to perform a skin biopsy to verify and assess the extent and condition of the disease, thereby having appropriate and timely treatment.
With a sterile environment, ensuring that the skin biopsy technique is safe for the patient. In addition, the doctors performing the procedure - Dr. Le Thi Thu Hang is experienced and highly qualified, having been trained in France.

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