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OMPR Kumar Lectures Test Latest Update
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OMPR Kumar Lectures Test Latest Update ...
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OMPR Kumar Lectures TestLatest Update
Normal pigmentation is due to - Answer increased melanin in the basal cells
ALSO seen in oral melanotic macule (freckle)
Increased melanin in basal cells differential - Answer Melanocytic macule
Smoker's melanosis
Post inflammatory pigmentation
Normal pigmentation
Addison
Drug related
Melanin incontinence - Answer when melanin penetrates the CT and melanophages eat
them up, usually due to damage of the basal cells
Amalgam tattoo - Answer A flat bluish-gray lesion of the oral mucosa that results from
the introduction of amalgam particles into the tissues.
Black tongue due to what - Answer Heavy metal, bismuth found in pepto
Lead line-burton's line - Answer Clean patient's teeth to ensure
Tan to brown colored macule, uniform pigmentation, not seen on the tongue - Answer
Oral melanotic macule
High risk areas for melanoma - Answer Palate, maxillary attached gingiva (keratinized)
What diseases are melanotic macules associated with? - Answer Peutz Jeghers
syndrome and Addison disease
Autosomal gene STK11 - Answer Peutz jeghers syndrome
Intestinal polyps that DO NOT become malignant - Answer Peutz jeghers syndrome
Gardner syndrome --> malignant
Concentration of malinotic macules around orifices - Answer Peutz jeghers syndrome
Generalized bronzing of the skin - Answer melanocyte stimulating hormone increased in
addison's disease
Why do we biopsy all unexplained pigmented lesions? - Answer To rule out mucosal
, melanoma
Diffuse patchy macular pigmentation - Answer Addison's disease
like a "tumor" of melanocytes - Answer melanocytic nevus - uncommon orally
Only lesion in the pigmented lesions that can lack pigmentation (amelanotic) - Answer
melanocytic nevus and mucosal melanoma
blue nevus - Answer Proliferation of dermal melanocytes that usually are positioned
deeply within connective tissue
Usually a reactive process due to an external influence
Area most common to see an oral blue nevus - Answer Palate
A rapid increase in dendritic melanocytes - Answer Oral melanoacanthoma
**can have spontaneous resolution
Most common features of oral melanocanthoma - Answer - More common in black
individuals
- Female predilection
- 30's-40's
- More common on buccal mucosa
Localized or diffuse brown pigmentation of mucosa - Answer Post inflammatory
pigmentation due to increased melanin production and deposition in basal epithelial
cells and CT in areas of chronic inflammation
White here is erosive lichen planus
Can see more pigment at the level of the occlusal bit line
pigmented palate due to what drug? - Answer hydroxychloroquine, lupus medication,
anti malarial medication
Smoker's melanosis most common occurs where? - Answer Facial gingiva
Goes away with cessation
ABCDEs of melanoma - Answer Asymmetry
Border irregularity
Color variation
Diameter >6 mm
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