NON- ODONTOGENIC TUMORS

Question 1

Fibro- osseous lesion

Mandible

Answer 1

Ossifying Fibroma

Question 2

Radiographic appearance of Ossifying Fibroma

Answer 2

RDL / Mixed lucent - opaque

Well- circumscribed or sharply defined border

Question 3

‼️‼️BE‼️‼️

Microscopic / Histopath of Ossifying Fibroma

Answer 3

📌Fibrous CT
📌Immature , new bone
📌Osteoblast

Question 4

Tx. Ossifying Fibroma

Answer 4

Surgical Excision

Question 5

DDx. of Ossifying Fibroma

Answer 5

Fibrous Dysplasia

Question 6

Fibro- Osseous Lesiom

Answer 6

Fibrous Dysplasia

Question 7

‼️BE‼️

Clinical Features of Fibrous Dysplasia

Answer 7

Maxilla

Malignant transformation to osteosarcoma

Question 8

‼️BE‼️

Classification of Fibrous Dysplasia

Answer 8

Monostotic

Polyostotic

Question 9

one bone more commn

Answer 9

Monostotic

Question 10

More than one, McCune Albright Syndrome

Answer 10

Polyostotic

Question 11

McCune Albright Syndrome TRIAD

Answer 11

Polyostotic fibrous dysplasia
Cafe au lait spot
Early Sexual Development / Hyperfunctioning

Question 12

normal fibrous tissue
abnormal bone
immature bone

Answer 12

Ossifying Fibroma

Question 13

normal bone

abnormal fibrous tissue

Answer 13

Fibrous Dysplasia

Question 14

Most common bone tumor
widened PDL space
Rx: Sunray/ Sunburst Appearance

Answer 14

Osteosarcoma

Question 15

Radiographic Appearance of Fibrous Dysplasia

Answer 15

RDL or mixed lucent opaque
Ground glass appearance
Poorly circumscribed/ poorly defined border

Question 16

Microscopic / Histopath Fibrous Dysplasia

Answer 16

Fibrous CT
Immature new bone chinese character
Osteoblasts
Capillaries

Question 17

Ground Glass Appearance

Answer 17

📌Hyperparathyroidism
📌Albers - Schonberg
📌 Fibrous Dysplasia

Question 18

Tx of Fibrous Dysplasia

Answer 18

Small lesions- none

Large lesions- surgical recontouring after puberty

Question 19

DDx. of Fibrous Dysplasia

Answer 19

Ossifying fibroma

Question 20

benign tumor of mature bone

Answer 20

Osteoma

Question 21

Classification of Osteoma

Answer 21

1. Periosteal

2. Endosteal/ Solitary 📌📌📌 more common

Question 22

Location: Mandible
aAbnormal :bone
Rx: Well circumscribed
Hx: Cellular

Answer 22

Ossifying fibroma

Question 23

Location: Maxilla
Abnormal: Fibrous
Rx: Poorly circumscribed
Hx: w/ capillaries vascular

Answer 23

Fibrous Dysplasia

Question 24

Gardner’s Syndrome / Familial Colorectal Polyposis (IF EMOS)

Answer 24

Intestinal Polyps (Colorectal Carcinoma)
Fibroma
Epidermal Cyst
Multiple Osteoma
Odontoma
Supernumerary Teeth

Question 25

‼️‼️BE

Radiographic of Gardners Sundrome/ Familial Colorectal Polyposis

Answer 25

Radioapaque always

Cotton Wool Appearance

Question 26

Compact bone or Cancellous Bone

Osteoblasts

Answer 26

Microscopic / Histopath Gardners

Question 27

Intestinal Polyposis
macules
flat, skin pigmentatiom
Normal dentition

Answer 27

Peutz Jegher Syndrome

Question 28

‼️‼️BE
seem exclusively in the jaws
mandible (anterior to the molars)

Answer 28

Central Giant Cell Granuloma

Question 29

between 1st molar & incisors . ant. to the molars between incisor & molars

Answer 29

Central Giant cell granuloma / PGCG

Question 30

Rx. Central Giant Cell Granuloma

Answer 30

RDL

Question 31

Microscopic / Histopath of Gardner Syndrome /Familial Colorectal Polyposis

Answer 31

Fibroblasts
Multinucleared giant cells (osteoclast-like)
Well vascularized stroma

Question 32

Multinucleared Giant Cell (HAC PC)

Answer 32

Hyperparathyroidism
Aneurysmal bone cyst
Cherubism
PGCG
Central Giant Cell Granuloma

Question 33

📌Hemorrhage

Answer 33

Hemosiderin (breakdown of RBC) ➡️ Hemoglobin Heme➡️ Porphyrin➡️ Biliverdin➡️ Bilirubin ➡️ Hemosiderin

Question 34

allergic rxn,
Parasitic infection
Viral infection

Answer 34

Eosinophils