Premalignant epithelial lesions Flashcards
1
Q
What is the most common oral precancer?
A
Leukoplakia
2
Q
Most common BCC?
A
Nodulo ulcerative BCC
3
Q
Most aggressive BCC?
A
Sclerosing morpheaform BCC
4
Q
Most common oral malignancy?
A
SCC
5
Q
Order of commonality of cutaneous Malignancy
A
1: BCC
2: SCC
3: Melanoma
6
Q
Differential diagnosis of OSCC
A
Non specific ulcer
TB, Syphilis, Histoplasmosis
Wegeners granulomatosis, Crohns
7
Q
Tumor sizes
A
T1: <2cm
T2: 2-4cm
T3: >4cm
T4: Invading
8
Q
Lymph node staging
A
N0: none N1: Single, ipsilateral <3cm N2A: Single, ipsilateral 3-6cm N2B: Multiple, ipsilateral <6cm N2C: Contralateral/bilateral <6cm N3: >6cm
9
Q
Most common tumor
A
Acquired melanocytic nevus
10
Q
Stages of Melanocytic Nevus
A
Junctional: all epidermis
Compound: some epidermis, some CT
Intradermal: All CT
11
Q
Congenital melanocytic nevus size classifications
A
Small: <1.5cm
Medium: 20cm
Large: >20cm
12
Q
Most common oral melanoma
A
Acral lentiginous
