Part 9 · Head and Neck, Vascular and Interventional Radiology

103. Head and Neck Imaging: Sinuses, Temporal Bone, Neck and Thyroid

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Question	IOC
Chronic rhinosinusitis (pre‑FESS), sinonasal anatomy	non‑contrast CT PNS (coronal)
Complicated sinusitis (orbital/intracranial), sinonasal malignancy extent, perineural spread	contrast MRI (+ CT for bone)
Middle ear (cholesteatoma, ossicles, otosclerosis, temporal bone fracture)	HRCT temporal bone
Sensorineural hearing loss, vestibular schwannoma, labyrinthitis, recurrent cholesteatoma	MRI (CISS/FIESTA, contrast, non‑EPI DWI)
Neck lump, thyroid, salivary glands, lymph nodes	US (± FNAC); CT/MRI for staging/deep extent
Deep neck infection	CECT
Head and neck cancer staging	CECT/MRI + PET‑CT (nodes, unknown primary)

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Question

IOC

Chronic rhinosinusitis (pre‑FESS), sinonasal anatomy

non‑contrast CT PNS (coronal)

Complicated sinusitis (orbital/intracranial), sinonasal malignancy extent, perineural spread

contrast MRI (+ CT for bone)

Middle ear (cholesteatoma, ossicles, otosclerosis, temporal bone fracture)

HRCT temporal bone

Sensorineural hearing loss, vestibular schwannoma, labyrinthitis, recurrent cholesteatoma

MRI (CISS/FIESTA, contrast, non‑EPI DWI)

Neck lump, thyroid, salivary glands, lymph nodes

US (± FNAC); CT/MRI for staging/deep extent

Deep neck infection

CECT

Head and neck cancer staging

CECT/MRI + PET‑CT (nodes, unknown primary)