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  2. Skin biopsy - Wikipedia

    en.wikipedia.org/wiki/Skin_biopsy

    A punch biopsy is essentially an incisional biopsy, except it is round rather than elliptical as in most incisional biopsies done with a scalpel. Incisional biopsies can include the whole lesion (excisional), part of a lesion, or part of the affected skin plus part of the normal skin (to show the interface between normal and abnormal skin).

  3. File:Skin punch biopsy of Buruli ulcer plaque lesion, H&E and ...

    en.wikipedia.org/wiki/File:Skin_punch_biopsy_of...

    A: Punch biopsy with large necrotic areas, fat cell ghosts and oedema but relatively intact epidermis and dermis. B: a band of extracellular AFBs is present in a deep layer of the necrotic subcutis." Image cropped from original by uploader.

  4. Acral lentiginous melanoma - Wikipedia

    en.wikipedia.org/wiki/Acral_lentiginous_melanoma

    Graphic illustrating a punch biopsy. Although the ideal method of diagnosis of melanoma is complete excisional biopsy, [19] alternative methods may be required based on the location of the melanoma. Dermatoscopy of acral pigmented lesions is very difficult but can be accomplished with diligent focus.

  5. Histopathologic diagnosis of dermatitis - Wikipedia

    en.wikipedia.org/wiki/Histopathologic_diagnosis...

    Generally a skin biopsy: For punch biopsies, a size of 4 mm is preferred for most inflammatory dermatoses. [2] Panniculitis or cutaneous lymphoproliferative disorders: 6 mm punch biopsy or skin excision. [2] A superficial or shave biopsy is regarded as insufficient. [2]

  6. Lentigo maligna - Wikipedia

    en.wikipedia.org/wiki/Lentigo_maligna

    When cellular atypia is noted, a pathologist might indicate that the entire lesion should be removed. It is at this point that one can comfortably remove the entire lesion, and thus confirm the final diagnosis of lentigo maligna. The size of the punch biopsy can vary from 1 mm to 2 mm, but it is preferable to use a punch 1.5 mm or larger.

  7. Dysplastic nevus - Wikipedia

    en.wikipedia.org/wiki/Dysplastic_nevus

    The biopsy material is then sent to a laboratory to be evaluated by a pathologist. A skin biopsy can be a punch, shave, or complete excision. The complete excision is the preferred method, but a punch biopsy can suffice if the patient has cosmetic concerns (i.e. the patient does not want a scar) and the lesion is small.

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    mail.aol.com

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  9. Necrobiosis lipoidica - Wikipedia

    en.wikipedia.org/wiki/Necrobiosis_lipoidica

    Micrograph showing necrobiosis lipoidica in a punch biopsy NL is diagnosed by a skin biopsy, demonstrating superficial and deep perivascular and interstitial mixed inflammatory cell infiltrate (including lymphocytes, plasma cells, mononucleated and multinucleated histiocytes, and eosinophils) in the dermis and subcutis, as well as necrotising ...