Top 3 Differentials Flashcards
(24 cards)
Unilateral parotid mass
Pleomorphic adenoma, warthin tumour, parotid carcinoma
Bilateral parotid gland mass
sjogren syndrome, warthin tumour, lymphadenopathy
Oribtal muscle enlargement
thyroid associated orbitopathy, Orbital pseudotumour, infectious myositis.
pharyngeal mucosal mass
SCC - arise at the fossa of rosenmuller
Infection/ Abcess
Lymphoma - may mimic SCC with lymphadenopathy
single optic nerve enlargement
Optic neuritis - MS
Optic nerve glioma
Meningioma
Multiple lytic bone lesions
multiple myeloma
bone mets - lytic are thyroid, renal, GI, head and neck
lymphoma
Petrous apex mass
cholesterol granuloma
congenital cholesteatoma
acute petrositis
Jugular foramen mass
glomus jugulare - paraganglioma
Swhnaoma
meningioma
Cystic neck mass
congenital cysts: thryoglossal duct cyst, brachial cleft cyst, thymic cyst
necrotic lymph nodes
abcess
lymphatic malformation
Agressive nasal mass - kids
juvenile nasopharyngeal angiofirboma
inverted papiloma
esthesioneuroblastoma
rhadomyosarcoma
Floor or mouth cystic mass
Ranula - simple or plunging
infection
squamouc cell carcinoma
Facial nerve enhancment - of the labrythin, mastoid and tympanic segment
swhannoma
bells palsy
perinuerla spread of a tumour
base of tonge mass - kids
lingual thyroid tissue
thyroglossal duct cyst
dermoid cyst
Middle ear mas
acquired cholesteatoma
abberant internal carotid artery
facial nerve schwannoma
Pachymeningeal enhancement
intracranial hypotension
mets
meningitis
Optic nerve enlargement
optic nerve glioma
optic nerve meningioma
optic neuritis
Globe lesion in children
Retinoblastoma
Persistent hyperplastic primary vitrous (PHPV) - champange glass
Coats disease- retinal detachment, no enhancement, smaller eye, cysts in the retina
Clival mass
Chordoma - midline, expansile lytic mass
chondrosarcoma - off the midline, rings and arcs appearence
Metastasis
Retropharyngeal mass
sqamous cell carcinoma
abcess
lymhpma
Carotid space tumours
cartoid nerve sheath tumours: schwannoma or neurofibroma
cartoid nerve paragangioma : cartoid body tumour or glomus valgarae - splays the ICA and ECA.
vascular abnormality
Massicator space mass
Infection/abcess
Sarcoma
Pharyngeal mucosal mass
SCC
Thornwaldt cyst- midline well circumscribed mass
lymphoma