HEAD AND NECK PARAGANGILOMA CASE REPORT · Paragangliomas of the head and neck are rare tumours,...
Transcript of HEAD AND NECK PARAGANGILOMA CASE REPORT · Paragangliomas of the head and neck are rare tumours,...
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HEAD AND NECK PARAGANGILOMA _ CASE REPORT
BS NGUYỄN HỮU BẢO
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Paragangliomas of the head and neck are rare
tumours, representing <0.5-0,6% of all head and
neck tumours.
Head and neck paragangliomas ( glomus
tumors or chemodectoma) are highly vascular
lesions originating from paraganglionic tissue
Overall there is a 3:1 female predominance
40yrs – 60, approximately 25% are multicentric
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Radiographic features
CT
enhancing mass
useful when bone erosion occurs
MRI
T1: salt and pepper
T1C+ (Gd): demonstrate rapid wash-in and wash-
out
Angiography
demonstrate an intense tumour blush
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Treatment and prognosis
Treatment is usually by excision
Preoperative endovascular embolisation
Radiotherapy may be used for palliation of unresectable lesions.
Malignant transformation : 16-19% of glomus vagale tumours, in
6% of carotid body tumours, and in 2-4% of glomus tympanicum
tumours.
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CBP = carotid body
paraganglion,
JTP = jugulotympanic
paraganglia,
VP = vagal
paraganglia.
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CAROTID BODY
PARAGANGLIOMAS
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VAGAL PARAGANGLIOMAS
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GLOMUS TYMPANIC PARAGANGLIOMAS
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GLOMUS JUGULARE
PARAGANGLIOMAS
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FEMALE, 74YRS
TÂY NINH
TINNITUS
FACIAL PARALYSIS
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JUGULARE AND VAGAL PARAGANGLIOMAS ??