Biopsy Principles Flashcards
Describe a papule.
Circumscribed, solid elevation of skin with no visible fluid, varying in size from pinhead to 1 cm.
Describe macule.
Circumscribed change in color of skin that is neither raised nor depressed. If greater than 1 cm can be called a PATCH.
Describe a nodule.
A raised solid lesion more than 1 cm that may be in the epidermis, dermis, or subcutaneous tissue.
Describe a plaque.
A plaque is a solid, raised, flat-topped lesion greater than 1 cm in diameter.
Describe a vesicle.
Vesicles are raised lesions less than 1 cm in diameter that are filled with clear fluid.
Describe a bullae.
circumscribed fluid filled lesions that are greater than 1 cm in diameter.
Define sessile
Attached directly by its base without a stalk or peduncle.
What is the code and costs of Brush Biopsy?
D7288, $75-$125 for collection, $95 for analysis, $10 cost of kit
What is the cost of Cytology?
$150 for collection, $100-$200 for analysis.
What are the indications of a brush biopsy?
White or red spots, chronic ulcerations, mucosal lesions with an abnormal epithelial surface. ALSO, common, small benign looking abnormalities that have been routinely watched and not suspicious enough to warrant referral for biopsy.
What are the contraindications for a brush biopsy?
Lesions with intact normal epithelium, highly suspicious lesions, lesions with obvious etiology IE herpes, aphthous ulcerations.
When is a scalpel biopsy indicated?
Whenever clinical examination fails to lead to a Dx.
Whenever a recognized premalignant lesion is encountered.
Whenever clinical signs and symptoms suggest a malignancy.
Whenever there is a lesions that fails to respond to recognized therapy.
What are the biopsy principles?
Do not delay
Obtain representative specimen of the tissue
Avoid distortion or destruction
Handle specimen properly and fix at once
Submit good case history
Submit radiographs and or photographs.
When is it good to refer for a biopsy?
When the health of the patient requires special management that the dentist cant provide
Size and surgical difficulty is beyond skill set.
If there is a concern of malignancy
What is the cost for analysis at the U of U?
$239
