Colors of pathology Flashcards
1
Q
What causes white lesions
A
Thickened epithelial covering: Hyperkeratosis, Acanthosis, Dysplacia, carcinoma.
Decreased vascularity.
Increased collagen; Submucosal fibrosis
2
Q
What causes red lesions
A
Thinned epithelial covering
Increased vascularity
Dissolution of the collagen content of the sub epithelial tissue.
3
Q
What causes blue lesions
A
Venous blood collection
Tyndall effect
Medications
4
Q
What causes black lesions
A
Melanin
Heavy metals
5
Q
What causes brown lesions
A
Melanin
Hemosiderin
6
Q
What causes yellow lesions
A
Adipose tissue
Sebaceous material
Pus
7
Q
What are the most common abnormally found colors found colors in the oral cavity in order.
A
White Red Black Blue Yellow
8
Q
White lesions that can be rubbed off (5)
A
Pseudomembranous candidiasis White coated tongue Materia alba Burns Tooth paste/rinse overdose
9
Q
White lesions that do not rub off (9)
A
Leukoplakia (biopsy) Linea alba Leukoedema Morsicatio tobacco pouch keratosis Nicotine stomatitis Verrcous Carcinoma Lichen planus (steroids) Oral hairy leukoplakia (treat AIDS)
