Mode of parotid involvement in external auditory canal carcinoma

Until now, little was known about the mode of parotid involvement in external auditory canal (EAC) carcinoma. The incidence of parotid node metastasis and direct parotid invasion was examined in patients with EAC carcinoma. The study comprised 11 patients with squamous cell carcinomas (SCC) and 10 p...

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Bibliographic Details
Published in:Journal of laryngology and otology 2003-12, Vol.117 (12), p.951-954
Main Authors: Choi, Jae Young, Choi, Eun-Chang, Lee, Ho-Ki, Yoo, Jong-Bum, Kim, Sun Goo, Lee, Won-Sang
Format: Article
Language:English
Subjects:
(RF) Otorhinolaryngology
Adult
Aged
Biological and medical sciences
Cancer
Carcinoma Adenoid Cystic
Carcinoma Squamous Cell
Carcinoma, Adenoid Cystic - pathology
Carcinoma, Adenoid Cystic - secondary
Carcinoma, Adenoid Cystic - surgery
Carcinoma, Squamous Cell - pathology
Carcinoma, Squamous Cell - secondary
Carcinoma, Squamous Cell - surgery
Cartilage
Ear Canal - pathology
Ear Canal - surgery
Ear External
Ear Neoplasms - pathology
Ear Neoplasms - secondary
Ear Neoplasms - surgery
Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology
Exocrine glands
Female
Humans
Male
Medical prognosis
Medical sciences
Metastasis
Middle Aged
Neoplasm Invasiveness
Neoplasm Staging
Otorhinolaryngology. Stomatology
Parotid Gland
Parotid Gland - pathology
Parotid Gland - surgery
Pathology
Patients
Retrospective Studies
Salivary Gland Neoplasms - pathology
Salivary Gland Neoplasms - secondary
Salivary Gland Neoplasms - surgery
Treatment Failure
Tumors
Tumour Invasiveness
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Summary:Until now, little was known about the mode of parotid involvement in external auditory canal (EAC) carcinoma. The incidence of parotid node metastasis and direct parotid invasion was examined in patients with EAC carcinoma. The study comprised 11 patients with squamous cell carcinomas (SCC) and 10 patients with adenoid cystic carcinomas (ACC). A retrospective review of the surgical specimens was undertaken with specific reference to parotid node metastasis and parotid invasion. Parotid node metastasis was noted only in two cases of advanced staged SCC, whereas none of the ACC patients showed parotid node metastasis. Direct parotid invasion occurred only in advanced staged SCC,however, it did occur in early stage ACC. Our data indicated that elective parotidectomy for control of occult parotid node metastasis is necessary only in advanced SCC carcinoma, whereas parotid management to secure adequate safety margins is mandatory for advanced SCC and all cases of ACC.
ISSN:0022-2151
1748-5460
DOI:10.1258/002221503322683821