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 ?
(1) In this case, the patient's punch biopsy results came back positive for clonal mast cell infiltration of the papillary dermis (FIGURES 2A AND 2B), and her physician elicited a slightly positive Darier sign during a follow-up visit.
Punch biopsy of the lesion on the skin supported KS diagnosis by immunohistochemical presence of human herpesvirus-8 (HHV-8) on the endothelial cells.
The firm scalpel handle provides a broad base with tactile feedback in determining how much pressure needs to be applied with the punch biopsy to uniformly excise the epithelial tract, while simultaneously stabilizing the earlobe soft tissue.
The punch biopsy was also performed in all patients and sent for histopathological correlation.
In a cadaveric study evaluating ST in human face, full-thickness 4 mm punch biopsy samples were obtained from 39 surgically relevant anatomic locations of the face from 10 human cadaveric heads.
Skin biopsy is a technique performed to remove a lesion or to take a diagnostic sample of lesion for subsequent microscopic examination by various histopathological techniques and cutaneous punch biopsy is the simplest, minimally invasive diagnostic test of choice for diagnosis of skin tumors.
Caption: Figure 1: (a) Punch biopsy reveals a spindle cell lesion infiltrating the dermis (H&E, 40x); (b) (H&E, 200x).
Punch biopsy was performed in all those patients who showed positive results in exfoliative cytology for histopathological confirmation, and in those cases where in spite of negative results in cytology, the clinical judgment warranted the need for biopsy.
It is a pre-sterilized prepacked single-use skin punch biopsy gadget, which has a circular sharp edge acting as a knife.
Skin punch biopsy performed at presentation was noteworthy for increased cellularity, thick and thin collagen fibers, and elastic preservation (Figures 1(a) and 1(b)).
As such, these lesions are typically treated with either excisional or punch biopsy, ultimately achieving the diagnosis by histopathologic examination.
To manufacture RCH-01, dermal sheath cup cells are isolated from a small punch biopsy taken from the back of a subject's scalp.