Head and Neck Differentials
Terms
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- Soft Tissue Mass in Middle Ear
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Cholesteatoma
Chronic Otitis Media
Granulation Tissue
Cholesterol Granuloma
Glomus Tympanicum tumor
Aberrant internal carotid artery
Jugular bulb - Vascular MAss in Middle Ear
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Glomus Tympanicum
Abberrant carotid artery
Carotid artery aneurysm
Perisitant stapedial artery
Exposed jugular bulb
Exposed carotid
Hemangioma
Glomus Jugulare (extensive) - Intracanalicular IAC masses
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Acoustic Neuroma
Hemangioma
Lipoma
Meningioma
Epidermoid - Jugular Fossa Mass
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Glomus Juglare (most common)
Neurofibroma (2nd)
Schwannoma Chondrosarcoma
Mets - Mastoid Bone Defect
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Neoplastic
Cholesteatoma
Post-op or posttraumatic - Orbital Masses - Tumors
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Hemangioma
Lymphoma
Mets
Lymphangioma
(Less commonly: Rhabdo, hemagioperycytoma, NF) - Orbital Masses Inflammatory
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Pseudotumor (common)
Thyroid
Cellulitis
Wegener's - Orbital MAsses - Vascular
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Carotid-Cavernous fistula
venous varix
Superior opthalmic vein thrombosis - Lacrimal Gland Disease
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Adenitis
Lymphoma
Pseudotumor
Tumor - Orbital "Bone Disease
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Subperiosteal abscess
Osteomyelitis
Fibrous dysplasia
tumors
Trauma - Intraconal disease -- well-defined margina
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Hemangioma
Schwannoma
Orbital Varix
Meningioma - Intraconal disease -- ill-defined margins
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Pseudotumor
Infection
Lymphoma
Mets - Intraconal disease -- Muscle enlargement
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Pseudotumor
Grave's dz
Myositis
CC fistula - Optic Nerve Sheath enlargment
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Optic nerve glioma
Meningioma
Meningeal carcinomatosis
Optic neuritis
Pseudotumor
Sarcoid - Tramtrack enhancment of orbital nerve
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meningioma
optic neuritis
pseudotumor
sarcoid
leukemia, lymphoma
perioptic hemorrhage
mets - Ocular Muscle Enhancement
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Thyroid ophthalmopathy (most)
psudotumor (painful)
infection
TB, sarcoid, cysticercosis - Childhood Orbital Masses
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LO VISION
Leukemia
Optic Nerve glioma
Vascular malformation
Inflammation
Sarcoma (rhabdo)
Orbital pseudotumor
Neuroblastoma - Cystic Lesion of the orbit
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Dermoid
Epidermoid
Teratoma
ABC
Cholestrol Granuloma
Colobomatous cyst - T1 hyperintense orbital mass
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Melanoma
Rb
Chroidal mets
Hemangioma
Coat's disease
Persistent hyperplastic citreous
Hemorrhage
Phtisis bulbi
Intravitreal oil treatment - Globe calcifications
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Rb
Astrocytic hamartoma
Choroidal osteoma
chrioretinitis
Phtisis bulbi
Drusen (MOST COMMON) - Sudden onset proptosis
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Orbital Varix
Hemorrhage
CCF
Thrombosis of SOV - Lacrimal Gland Enlargment
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Benign Lymphoid hyperplasia
Psudotumor
Sjogren
Mikulicz
Lymphoma
Pleomorphic Adenoma 75%
Adenoid Cystic carcinoma - Diffuse orbital bone abnormality
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Fibrous dysplasia
Paget's
Thallessemia - Most common sinus tumor in children
- Juvenile Angiofibroma
- Parapharyngeal and Carotid Space Masses
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Salivary gland tumors
Neurogenic tumors
Nasopharyngeal carcinoma
Lympadenopathy
Abscess - Prevertebral mass
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Mets
Chordoma
Osteo
hematoma - Cystic Thyroid Lesions
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Colloid cysts
Cystic degenratiion
Cystic papillary cacner
Cystic mets (papillary) - Cystic lesion lateral to carotid
- Branchial cleft cyst
- Cystic lesion in midline neck
- Thyroglossal duct cyst
- Cystic lesion in sublingual glands
- Ranula
- Solid Tumors of the neck
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SCC
Lymphadenopathy
PArotid tumors
Neurilemomama, NF, Glomus
Mesenchymal, dermoid, teratoma - Vascular Head and Neck Masses
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Glomus tumors
hemangioma
AVM
Aneurysm (often ICA)