INBDE (Integrated National Board Dental Examination) Practice Exam

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What type of biopsy is used for a small specimen (< 1 cm) presumed benign?

Cytology
Aspiration
Incisional
Excisional

The correct answer is: Excisional

Excisional biopsy is used for a small specimen (< 1 cm) presumed benign because it involves the removal of the entire lesion along with a margin of normal tissue. This type of biopsy is preferred when the lesion is small because it provides the most accurate diagnosis by allowing for a comprehensive examination of the entire lesion and its borders. In contrast, an incisional biopsy involves removing only a part of the lesion, and while it may be adequate for larger lesions, it may not provide a conclusive diagnosis for very small lesions. Cytology and aspiration are techniques that may be used for preliminary evaluation or in cases where excisional or incisional biopsies are not feasible.