Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis.

Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis. Research Abstract Details 

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Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis. Abstract Text:

We report a case in which metastasis occurred from a left-side maxillary carcinoma to bilateral temporal bones through different routes, manifested by rapidly progressing left-side mixed hearing loss, left-side vestibular dysfunction, and serous otitis media. Later the left-side hearing threshold became severely elevated, suggesting profound sensory hearing loss. Histopathology of the temporal bones revealed that the side with the lesion was severely damaged by tumor through direct and hematogenous metastasis. On the contralateral side, it showed four findings: (i) sparse and separate tumor invasion of the petrous bone, the mastoid cavity, and the facial canal (hematogenous spread); (ii) tumor involvement in the lower part of the cochlear aqueduct without invasion of the internal acoustic canal or cochlea, implying early meningeal carcinomatosis; (iii) vascular stria atrophy, spiral ganglion diminution, and well preserved hair cells; and (iv) diffuse effusion in the middle ear and mastoid cavity. Our observations revealed that tumor cells dispersed to the same side through different routes, whereas early metastasis to the contralateral side was mainly through hematogenous and subarachnoid spread.

Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis. Publishing Authors By Initials

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Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Acta oto-laryngologica

VOLUME: 127

Page Numbers: 1338-44

Journal Abbreviation: Acta Otolaryngol.

ISSN: 0001-6489

DAY: 16

MONTH: Dec

YEAR: 2007

Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Temporal bone pathological study on maxillary sinus carcinoma with bilateral temporal bone metastasis.

AFFILIATION: Department of Otolaryngology and Head and Neck Surgery, Faculty of Medicine, Graduate School of Medicine, University of Tokyo, Japan.

Country: Norway

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MEDLINETA: Acta Otolaryngol

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