Biopsy In Dentistry: Definition, Types, And Procedure Explained

Biopsy In Dentistry: Definition, Types, And Procedure Explained

Question. Write a note on biopsy.
Or
Write short note on biopsy. 

Answer. Biopsy is the removal of tissue from the living organism for microscopic examination and diagnosis.

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Types Of Biopsy

• Excisional biopsy: If a lesion is totally excised for histological evaluation, it is called an excisional biopsy.
• Incisional biopsy: When only a small section of tissue is removed from the lesion for histological evaluation, it is called an incisional biopsy.
• Fine needle aspiration cytology (FNAC): It is done by aspirating tissue material inside a lesion, which is later on diagnosed microscopically after preparing a smear.
• Frozen section biopsy: It is performed in order to get an immediate histological report of a lesion.
  The tissue is obtained from the lesion and is kept in deep freeze and then frozen tissue is sectioned and stained to get a prompt diagnosis.
• Punch biopsy: A small cylindrical punch is applied to the lesion through full thickness of skin and a plug of tissue is removed.

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Biopsy Procedure

• Area of wound from where the biopsy is taken and cleaned fist.
• The area is anesthetized.
• The most representative site of the wound is identified.
• A section of tissue from the identified site of wound is removed.
• Tissue is cleaned and put into 10% formalin solution for fixation.
• The biopsy site is sutured after achieving hemostasis.
• The biopsy specimen is sent to the histopathologist for diagnosis after labeling it properly.

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