SKIN CANCER
Biopsy
What Is A Skin Biopsy And Why Is It Performed?
A skin biopsy involves the removal of a skin sample, typically performed under local anaesthetic to diagnose skin conditions. It’s essential for identifying diagnostic clues not visible to the naked eye, especially for confirming or ruling out skin cancer.
During a skin check, if Dr. Tina notices a suspicious lesion, she may recommend a skin biopsy to obtain a small sample for further testing. Skin biopsies are routine procedures and can be performed quickly and comfortably in Dr. Tina’s office with the use of local anesthesia. The collected samples are then sent to a specialised skin pathology laboratory, where a qualified pathologist examines them to make an accurate diagnosis. This confirmed diagnosis is crucial in helping Dr. Tina develop the most appropriate treatment plan for you.
Key Information
- Punch Biopsy: Ideal for obtaining a full-thickness skin sample, using a circular blade, often for suspected skin cancer or inflammatory skin diseases.
- Shave Biopsy: Suitable for superficial lesions, removing a skin layer without stitches, but may not confirm invasive disease.
- Incisional and Excision Biopsy: Involves removing larger or entire lesions, particularly when deeper tissue analysis is needed or complete removal is aimed.
Selecting the biopsy site is crucial for an accurate diagnosis. For suspected skin cancer, a punch biopsy from the lesion's edge is preferred. The biopsy site selection also considers the lesion's appearance, avoiding ulcerated centres and areas with excessive scale or previous treatment.
Complications are rare but can include bleeding, infection, nerve injury, scarring, persistence or recurrence of the lesion, anaesthetic reactions, and wound breakdown. The risk varies with the biopsy type and the individual's health status.
Aftercare Instructions for Biopsy
After a skin biopsy, it’s important to follow specific aftercare instructions to ensure proper healing and prevent infection. Here’s a summary of the key points:
- Keep the Wound Clean and Dry: For the first 24 to 48 hours after the biopsy, it’s crucial to keep the wound clean and dry. This helps to prevent infection and supports the healing process.
- Dressing Care: If the dressing becomes soaked with blood or water, carefully replace it with a clean, dry band-aid. It’s essential to keep the wound covered, especially in the initial stages of healing, to protect it from bacteria and other contaminants.
- Monitor for Signs of Infection: Pay close attention to the biopsy site for any signs of infection. These can include increased redness, swelling, warmth, pain, or discharge. Infections can significantly delay healing and may require treatment, so it’s important to catch them early.
- Contact the Clinic if Necessary: If you notice any signs of infection or if you have any concerns about the biopsy site, do not hesitate to contact the clinic where the biopsy was performed.
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