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Pigmented Lesions, Elisabeth Ferguson:
Information from General and Oral…
Pigmented Lesions
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Variations of Normal
Physiologic Pigmentation Etiologies: darker-skinned people. may occur in pregnancy or postmenopausal women taking hormone replacement therapy. Transmission: N/A Characteristics: range from brown-black-dark blue. Do not blanch. Dental: Some pts. may want these removed b/c of esthetics. Treatments & Prognoses: Prognoses excellent no treatment required.
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Neoplasms
Oral Melanoma: Etiologies: 0.2-0.5% of all melanomas. more in areas where sun is more intense. tobacco use, chronic irritation, formaldehyde exposure, familial history, cytogenetic defects. transmit: N/A Characteristics: dark blue to black with irregular borders increasing as the lesion expands. Dental: deadly lesion should be recognized and removed asap. Treatment and Prog: chemotherapy and radiation may be used. any pigmented lesion should be viewed with suspicion.
Elisabeth Ferguson:
Information from General and Oral Pathology for the Dental Hygienist 3rd Edition, by Delong and Burkhart. Ch. 14