8 doctors weighed in:

Anyone ever heard of doing an incisional biopsy to diagnose skin rash?

8 doctors weighed in
Dr. Michael Fisher
Dermatology
6 doctors agree

In brief: Punch biopsy

Punch biopsy is considered the primary technique to obtain diagnostic, full-thickness skin specimens.
It is performed using a circular blade or trephine attached to a pencil-like handle. The instrument is rotated down through the epidermis and dermis, and into the subcutaneous fat. The punch biopsy yields a cylindrical core of tissue that must be gently handled (usually with a needle).

In brief: Punch biopsy

Punch biopsy is considered the primary technique to obtain diagnostic, full-thickness skin specimens.
It is performed using a circular blade or trephine attached to a pencil-like handle. The instrument is rotated down through the epidermis and dermis, and into the subcutaneous fat. The punch biopsy yields a cylindrical core of tissue that must be gently handled (usually with a needle).
Dr. Michael Fisher
Dr. Michael Fisher
Thank
Dr. Jennifer Haley
Dermatology

In brief: Possibly

Incisional biopsy rather than punch biopsy is often necessary to diagnose inflammatory conditions that may involve the fat or deeper vessels.

In brief: Possibly

Incisional biopsy rather than punch biopsy is often necessary to diagnose inflammatory conditions that may involve the fat or deeper vessels.
Dr. Jennifer Haley
Dr. Jennifer Haley
Thank
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Dr. Christopher Crosby
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