punch biopsy

(redirected from trephine biopsy)
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Related to trephine biopsy: Bone marrow aspiration
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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 ?
The diagnosis of acute leukemias (AL) is based on clinical features, systemic examination bone marrow aspiration and trephine biopsy findings, immunophenotyping, cytogenetic and molecular investigations.
Bone marrow trephine biopsy showed slightly hypocellular marrow for the patient's age, with trilineage hematopoiesis.
Bone marrow trephine biopsy was available in 84 cases; 3 types of growth patterns were noted: interstitial, nodular and packed with nodular pattern constituting maximum number of cases (Table 2] (Figure 2].
Tenders are invited for Reusable instruments for vascular surgery (lot 1); Set vascular instruments (Lot 2); Set of surgical operating small (Lot 3); Needles and the trephine biopsy automatic Fast Cut type or equivalent (lot 4)
Bone marrow aspiration and trephine biopsy were sought for evaluation of pancytopenia in a 22-year-old adolescent male who presented with severe weakness, fatiga-bility, and increasing breathlessness for last 6 months.
Bilateral bone marrow trephine biopsy was done to assess the patterns of bone marrow infiltration.
A very high index of suspicion in patients with prolonged fever, cytopenias, and hyperferritinemia accompanied by relevant immunological, and genetic workup and bone marrow aspirate and trephine biopsy to determine the cause of cytopenias and document hemophagocytosis enables timely diagnosis to initiate life - saving treatment.
We reported a case of refractory classical Hodgkin lymphoma in which Hodgkin Reed-Sternberg (HRS) cells were only demonstrated in bone marrow aspirations and trephine biopsy sections only when the disease disseminated.
Eighty-five of the benign cases (66%) and 76 malignant cases (97%) had aggregates present in the trephine biopsy sections, which permitted accurate evaluation for the presence of paratrabecular localization.
Objective: To determine the usefulness of bone marrow aspiration and trephine biopsy in evaluation of the bone marrow in routine haematological practice.
Bone marrow aspirate and trephine biopsy showed no neoplastic infiltration.
Both patients had hematological findings characteristic of the accelerated phase of Chediak-Higashi syndrome-peripheral blood pancytopenia and marked hemophagocytosis (Figure 2) on bone marrow aspirate, along with lymphocyte infiltration on trephine biopsy section.