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Old 01-23-2016
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Default Biopsy types

Good morning guys , can someone tell me the difference between Incisional , Punch and shave biopsy ??
Thanks a lot
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Old 01-23-2016
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Shave biopsies are quick, require little training, and do not require sutures for closure; a small depressed scar about the size of the initial lesion is likely to occur . Lesions that are most suitable for shave biopsies are either elevated above the skin or have pathology confined to the epidermis. Examples include seborrheic or actinic keratoses, skin tags, warts, and superficial basal cell or squamous cell carcinomas. Superficial shave biopsies should not be used for pigmented lesions; an unsuspected melanoma cannot be properly staged if partially removed

Punch biopsies are performed with round, disposable knives ranging in diameter from 2 to 10 mm; 3 mm is the smallest size likely to give sufficient tissue for consistently accurate histologic diagnosis. The punch is an ideal procedure for diagnostic skin biopsy or removing small lesions. It often provides a better cosmetic result than a shave biopsy. Punch biopsies have a low incidence of infection, bleeding, nonhealing, or significant scarring . They can heal by secondary intention, but punches greater than 3 mm may produce unacceptable scarring and are best closed with one or two sutures

Excisions are performed for lesions that require complete removal for diagnostic or therapeutic purposes and for lesions that cannot be adequately biopsied with a punch due to size, depth, or location. An excisional biopsy allows for histopathologic examination of an entire lesion. Another advantage of an excisional biopsy is the amount of tissue that can be excised, allowing for multiple studies (culture, histopathology, immunofluorescence, electron microscopy) from one biopsy site . Excisions are especially well suited for removal of large skin tumors or inflammatory disorders deep in the skin involving the panniculus.

Pigmented lesions The possibility of malignant melanoma must always be considered when removing pigmented lesions. The preferred biopsy technique for all pigmented lesions and lesions suspicious for or suggestive of melanoma is the excisional biopsy
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Old 01-25-2016
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Thank you so much , that was so informative
Best Regards
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