ODONTOGENIC TUMORS - Epithelial

Question 1

Most common epithelial odontogenic tumor
Most aggressive
Most clinically significant

Answer 1

Ameloblastoma

Question 2

Clinical features of Ameloblastoma

Answer 2

Unilateral jaw expansion
Mandible (molar-ramus area)
Vital teeth

Question 3

Biological subtypes of Ameloblastoma (PCSMA)

Answer 3

1. Peripheral / extraosseous
2. Cystic / Unicystic
3. 📌Solid/Multicyctic - most common
4. Malignant ameloblastoma
5. Ameloblastic carcinoma

Question 4

Radiographic Appearance Ameloblastoma

Answer 4

• Radiolucent w/ well defined sceloritc border

- Soap bubble / Honeycomb appearance

Question 5

Microscopic / Histopath

Answer 5

📌Palisading columnar cells (Ameloblasts in enamel organ)

📌 Aspirate= straw colored fluid (cholesterol crystals)

Question 6

SOAP BUBBLE / HONEYCOMB Appearance CAMA

Answer 6

1. Cherubism
2. Ameloblastoma
3. Myxoma
4. Aneurysmal bone cyst

Question 7

Histologic Patterns: of Ameloblastoma (FPGBDA) 🦠💉

Answer 7

📌Follicular/Simple - most common
📌Plexiform
📌Granular
📌Basaloid / Basal Cell
📌Desmoplastic
📌 Acanthomatous pattern

Question 8

BE**
📌mimics normal dental follicle
📌islands of cells stellate reticulum like pallisading columnar cells

Answer 8

Follicular/Simple Histologic pattern of Ameloblastoma

Question 9

interconnecting strands or cords

Answer 9

Plexiform

Question 10

granular cells

Answer 10

Granular cells

Question 11

basal cell carcinoma

Answer 11

Basaloid/ Basal Cell

Question 12

Fibrous tissues thin strands/ scatter stroma

Answer 12

Desmoplastic

Question 13

islands, squamous metaplasia, keratinization/ keratin pearls

Answer 13

Acanthomatous Pattern

Question 14

BCC aka

Answer 14

Farmer’s Carcinoma

Question 15

Clinical features of CEOT / Pindborg Tumor

Answer 15

📌Mandible (molar ramus area)

📌Unilateral jaw expansion

Question 16

Radiographic Appearance of CEOT / Pindborg Tumor

Answer 16

📌RDL / Lucent opaque

📌Driven snow appearance

Question 17

☑️ Large polyhedral/polygonal cells

☑️Calcified amyloid substsnce arranged in concentric patterns (‼️LIESEGANG RINGS‼️)

Answer 17

CEOT / Pindborg Tumor

Question 18

INDICATIONS of BIOPSY‼️

Answer 18

📌Doesn’t heal more than 2 wks
📌Persistent lesion for more than 2 wks unresponsive tx
📌 Persistent hyperkeratotic
📌Lesions- high risk areas: floor of mouth, posterolateral border of the tongue
📌 Suspect malignancy
📌Bony lesions clinically radippographically

Question 19

<1cm , 2in1 tx, elliptical/ football shaped
📌 2-3mm normal tissue
📌better coaptation
📌deposit 1 cm away

Answer 19

Excisional Biopsy

Question 20

> 1 cm suspect maligancy
may damage near vital stuctures
periphery border
narrow & deep

Answer 20

Incisional biopsy

Question 21

Gauge 18 best

Gauge 16

Answer 21

Aspirational Biopsy

Question 22

Ameloblastic & Cystic lesion

Answer 22

Straw- colored

Question 23

OKC

Answer 23

creamy colored creamy white cheese like

Question 24

infected pus

Answer 24

Yellow Green foul odor

Question 25

Sinus , traumatic bone cyst

Answer 25

Air

Question 26

BV, Aneurysmal bone cyst

Answer 26

Blood

Question 27

Storage volume of BIOPSY

Answer 27

10% Buffered Formalin

Question 28

surface of tongue

Answer 28

Exfoliative Cytology

Question 29

Clincal Features of Adenomatoid Odontogenic Tumor (Adenoameloblastoma)

Answer 29

📌Maxilla (anterior region)

📌Impacted maxillary Canine

Question 30

Radiographic Appearance of Adenomatoid Odontogenic Tumor /AdenoAmeloblastoma

Answer 30

RDL/ mixed lucent opaque

Question 31

Rosettes & ductlike structures

Answer 31

‼️BE‼️

Microscopic/ Histopath of Adenoameloblastoma /

Question 32

‼️BOARD Q.
Px swelling maxilla upon histopath tumors resemble the gland
Gland like structure histological composed of duct like structures

Answer 32

Adenomatoid Odontogenic tumor (Adenoameloblastoma)