FPC 4 Pathology: Benign Vs Malignant

Tumor

swelling

Neoplasm

new growth

Tumor and neoplasm are

interchangeable

Neoplasms can be ____ benign or malignant

either

Cancer

malignant

Important characteristics for evaluating malignant or benign status

Rate of growth

Impact on ____ tissues

____

Cellular differentiation

surrounding, metastasis

Benign characteristics in soft tissues

____ growing

Well encapsulated

non-____

Well differentiated

Often asymptomatic

Pushing of nearby structures

slow, invasive

Malignant characteristics in soft tissues

Rapid growth

____ demarcated borders

Invasive

Metastasis

Poorly differentiated

Pain/paresthesia

____ of nearby structures

Failure of extraction sites to heal

poorly, destruction

How tumors spread

metastasis

Types of metastasis

lymphatic, hematologic, seeding in body cavities

Benign characteristics on radiographs

Slow growing

____ borders

Well-defined

May be ____

May produce bone/calcifications

Displacement of structures

Root resorption = smooth

smooth, corticated

Malignant characteristics on radiographs

Ill-defined

Lack of ____

Absence of encapsulation

Destructive

Unexplained widening of ____ space

Premature loss of teeth

Teeth floating in air

Tooth resorption > displacement

cortication, PDL