punch biopsy


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punch biopsy
dashed rules outline the portion of skin to be removed for biopsy

punch biopsy

n.
1. The removal of a small cylindrical specimen of tissue for pathologic study by pressing a circular instrument into the skin or mucous membrane surrounding a lesion.
2. A specimen so removed.
References in periodicals archive ?
Punch biopsy demonstrated interface changes and a perivascular and periadnexal infiltrate involving the superficial and deep dermis (A) in association with irregular papillomatous epidermal hyperplasia (B).
those who had a prior cervical punch biopsy were 1.
In certain circumstances a punch biopsy may be preferable to a core biopsy.
Diagnosis of DH was established in all patients from the classic histologic and immunopathologic skin features of punch biopsy samples of noninvolved skin.
The skin samples were obtained by punch biopsy and mRNA extracted and analysed using Affymetrix gene chips containing transcripts from the entire human genome, including known and as yet unidentified sequences.
The remaining skin in the area was extremely friable and could not be closed after a 4-mm punch biopsy was taken.
A punch biopsy is used to obtain deeper samples of skin using an instrument that looks like a cookie cutter.
It has been shown that punch biopsy does not reduce the occurrence of negative Lletz, and may be unreliable.
A punch biopsy from lesions on the forearms revealed prominent edema on the upper dermis and intense cellular infiltration, and predominantly lymphocytes, polymorphonuclear neutrophils and leucocytoclasis on the perivascular areas.
Through computer modeling, the simulation emulates various lesion and skin thicknesses, and it includes a haptic device that provides the tactile sensation of sampling the skin with a punch biopsy.
When she was 19, cold punch biopsy specimens were obtained under cystoscopic guidance and the histopathological report indicated chronic cystitis and focal intestinal metaplasia.
She underwent punch biopsy of two of the nodules, and histologic examination confirmed the initial diagnosis of ALHE.