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Hypopharyngeal SCC - Differential Dx

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Hello, everyone.

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Dr. Sidney Levy here.

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4 00:00:05,949 --> 00:00:08,680 Today I would like to discuss the differential

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diagnosis of piriform sinus malignancy.

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Using our example case here, we have a typical

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squamous cell carcinoma of the piriform sinus,

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but other diagnoses to keep in mind include

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hypopharyngeal minor salivary gland malignancy,

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which, although rare, does occur. Often it may be

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indistinguishable from squamous cell carcinoma.

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But if there are atypical features

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of the morphology of the tumor, in particular

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a cystic morphology, then it is worth chasing

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the pathology and following up to confirm that

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it actually was a squamous cell carcinoma.

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Fourth, branchial cleft cysts can occur in this

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region, but they tend to have a benign-looking

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cystic morphology, usually easy to distinguish.

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There can also be inflammatory

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conditions such as supraglottitis

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or extension of epiglottitis into this

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region, which can look tumor-like.

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And if there is an ipsilateral vocal cord

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paralysis, particularly on CT imaging, just

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be careful to distinguish that from a true

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mass within the adjacent piriform sinus.

Report

Description

Faculty

Sidney Levy, PhD, MBBS

Radiologist and Nuclear Medicine Specialist

I-MED

Tags

Non-infectious Inflammatory

Neuroradiology

Neuro

Neoplastic

MRI

Infectious

Head and Neck

Congenital

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