Benign Mesenchymal Tumors Part 1

Question 1

6 tissues of origin

Answer 1

1. Fibrous
2. Adipose
3. Nerve
4. Blood
5. Lymph
6. Muscle

Question 2

6 types of fibrous mesenchymal tumors

Answer 2

1. Fibroma
2. Inflammatory Fibrous Hyperplasia
3. Inflammatory Papillary Hyperplasia
4. Pyogenic granuloma
5. Peripheral Giant Cell Granuloma
6. Peripheral Ossifying Fibroma

Question 3

What is a fibroma?

Answer 3

Collagen deposition secondary to trauma

Question 4

2 places to see a fibroma

Answer 4

Frenal tag, retrocuspid papilla (bilateral, lingual to mand. canines)

Question 5

Histology of a fibroma

Answer 5

Nodular mass of dense fibrous connective tissue

Question 6

Inflammatory Fibrous Hyperplasia (IFH) is also known as

Answer 6

Denture epulis, Epulis fissuratum, denture-induced fibrous hyperplasia

Question 7

Clinical features of IFH

Answer 7

Flange of ill-fitting denture, may have central ulcer

Question 8

Histology of IFH

Answer 8

Fibrovascular connective tissue covered by stratified squamous epithelium

Question 9

Inflammatory Papillary Hyperplasia (IPH) is also known as

Answer 9

Denture papillomatosis

Question 10

IPH may have superficial ____

Answer 10

Candidiasis

Question 11

IPH may be due to

Answer 11

Ill-fitting maxillary denture, poor denture hygiene, wearing the denture 24/7

Question 12

IPH is seen with high ___ ___ and habitual ___ ___

Answer 12

Palatal vault, mouth breathers

Question 13

IPH has a ___ surface and shows ____

Answer 13

Papillary, edema

Question 14

Treatment for IPH

Answer 14

Topical or systemic antifungal therapy, excise hyperplastic tissue & make new denture

Question 15

Reactive lesions (3 Ps)

Answer 15

1. Pyogenic granuloma
2. Peripheral Giant Cell Granuloma
3. Peripheral Ossifying Fibroma

Question 16

Pregnancy tumor

Answer 16

Pyogenic granuloma

Question 17

Most common intraoral site for pyogenic granulomas

Answer 17

Gingiva

Question 18

3 things can happen, 2 are bad

Answer 18

1. Epulis granulomatosa
2. Lymphoma
3. Metastatic disease

Question 19

Histology of pyogenic granuloma shows ____ granulation tissue with many ___ and thin-walled ____

Answer 19

Vascular, fibroblasts, capillaries

Question 20

Where are peripheral giant cell granulomas located?

Answer 20

Only on gingiva of alveolar ride, including the edentulous ridge

Question 21

Radiographic feature of peripheral giant cell granulomas

Answer 21

Cupping of underlying bone

Question 22

Histology of peripheral giant cell granulomas shows granulation tissue with numerous benign ____ giant cells

Answer 22

Multinucleated

Question 23

Color of peripheral giant cell granulomas

Answer 23

Dusky purple-red

Question 24

Color of pyogenic granuloma

Answer 24

Red

Question 25

Color of peripheral ossifying fibroma

Answer 25

Coral pink

Question 26

Peripheral ossifying fibromas are only found on the ___

Answer 26

Gingiva

Question 27

Peripheral ossifying fibromas show cellular fibrous connective tissue with variable amounts of _____

Answer 27

Calcification