Head & Neck

Question 1

Jaw Lesions

Answer 1

1) Cystic
- Radicular/Periapical cyst
- Dentigerous/Follicular cyst
- KOT
- Incisive/Nasopalatine canal cyst
- Globulomaxillary cyst
- ABC
2) Solid
- Giant cell reparative granuloma
- Ameloblastoma
- Odontoma
- GCT
- Paget’s
- FD

Question 2

Named Nerves from Brachial Plexus

Answer 2

1) Long Thoracic (C5-7) –> Derratus anterior
2) Phrenic Nerve (C3-5) –> Diaphragm
3) Suprascapular Nerve (C5-6) –> Supra/Infraspinatus
4) Dorsal Scapular Nerve (C5) –> Rhomboid major/minor
5) Axillary Nerve (Posterior cord) –> Deltoid
6) Medial & Lateral Pectoral Nerve (Medial/Lateral cords) –> Pectoralis major/minor
7) Thoracodorsal Nerve (Posterior cord) –> Latissimus dorsi

Question 3

EOM Enlargement

Answer 3

1) Thyroid Ophthalmopathy
2) Myositis
3) Sarcoid
4) Orbital pseudotumor
5) Lymphoma
6) Mets

Question 4

Orbital Infiltrate

Answer 4

1) Infection
2) GPA
3) IgG4
4) Sarcoid
5) Orbital pseudotumor
6) Lymphoma
7) Mets

Question 5

Discrete Orbital Mass

Answer 5

1) Infantile hemangioma
2) Cavernous hemangioma
3) Sarcoid
4) Orbital pseudotumor
5) Lymphoma
6) Mets
7) Lymphangioma
8) Dermoid
9) Schwannoma/Neurofibroma
10) Rhabdomyosarcoma

Question 6

Enlargement Optic Nerve/Sheath Complex

Answer 6

1) Optic neuritis
2) Meningioma
3) Sarcoid
4) Orbital pseudotumor
5) Lymphoma
6) Mets

Question 7

Lacrimal Gland Pathology

Answer 7

1) Dacryoadenitis
2) Salivary gland tumor
3) Sarcoid
4) Orbital pseudotumor
5) Lymphoma
6) Mets

Question 8

Bony Orbit

Answer 8

1) Neuroblastoma mets
2) LCH
3) Sarcoid
4) Orbital pseudotumor
5) Lymphoma
6) Mets

Question 9

DDx Hyperdense Secretions

Answer 9

1) Fungal infection
2) Inspissated secretions
3) Hemorrhage
4) Polyp
5) Mucocele
6) Calcification

Question 10

DDx Midline Destructive Lesion of Sinonasal Tract

Answer 10

1) Cocaine
2) Foreign body rxn
3) Sarcoid
4) TB
5) Lymphoma
6) GPA
7) Syphilis

Question 11

Calcified Ocular Mass

Answer 11

1) Retinoblastoma
2) Astrocytic hamartoma (TS & NF1)
3) Choroidal osteoma

Question 12

Non-Visualization of Inner Ear Structures

Answer 12

1) Congenital hypoplasia
2) Labyrinthine ossificans
3) Late otospongiosis
4) Paget’s/FD

Question 13

DDx Post-Op Complication

Answer 13

1) Abscess
2) Hematoma
3) Arterial pseudoaneurysm
4) CSF leadk
5) Venous varix
6) Seeding of original tumor