What is a punch biopsy? A punch biopsy is a medical procedure used to remove a small, cylindrical piece of skin for laboratory examination, usually through tissue culture or microscopy.

Traditionally, punch biopsy sites have been sutured, but the benefit of this practice has never been scientifically demonstrated. In this prospective, randomized, method-comparison study ...

Only around 3% of all breast cancers are of this type. For a skin punch biopsy, a small sample of breast skin, plus tissue under the skin, will be extracted with a hollow, round-tipped scalpel.

While melanoma is much less common than other types of skin cancer, it is the most serious because it is more likely to ...

Figure 1: Injection of local anesthetic (lidocaine) subcutaneously underneath the marked biopsy site of the skin of a dog. The punch biopsy technique is the most frequently used cutaneous biopsy ...