(1)Ji3cl3 原文題目(出 處): Epithelial-myoepithelial carcinoma of the tongue base: a case for the case-report and review of the literature Head &amp

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Ji3cl3 原文題目(出 處):

Epithelial-myoepithelial carcinoma of the tongue base: a case for the case-report and review of the literature Head &

Neck Oncology 2010;2:4

原文作者姓名: Peter Peters, Costa Repanos, James Earnshaw, Patrick Stark, Bryan Burmeister, Lloyd McGuire, Susanne Jeavons,

William B Coman AM

通訊作者學校: Department of Otolaryngology Head and Neck Surgery, Princess Alexandra Hospital, Ipswich Rd, Woolloongabba, Queensland, Australia

報告者姓名(組別): 周煥珵 (Intern B 組)

報告日期: 99.9.13

內文:

Introduction:

Epithelial-myoepithelial carcinoma is a rare tumour occurring in the salivary glands (parotid gland)

0.2% ~1% of salivary duct tumours

hybrid tumour:

1965 ~1994 0.1% of salivary gland tumours were hybrid tumours

Mucoepidermoid carcinoma, basaloid-squamous carcinoma, adeno-squamous carcinoma, sarcomatoid carcinoma and carcinoma in pleomorphic adenoma with differentiation as squamous cell carcinoma as well as adenocarcino

Case Report

A 60 year old lady was referred to the Princess Alexandra Hospital Head and Neck Clinic

biopsy taken from a suspected tumour at the base of the tongue (BOT) a one year history of dysphagia and difficulty in moving her tongue 25 kg weight loss over the past year

PEG feeding tube inserted

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vertical length of the tumour was 3.7 cm

BOT tumour are not typical for the more common SCC in this location with the irregular bright T2 signal

unusual SCC appearance > minor salivary gland rare tumour

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epithelial-myoepithelial carcinoma of the tongue base

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60 Gy treatment over 30 fractions with a 2 cm margin around the primary tumour daily hyoscine injections to dry up excessive secretions

Literature Review

Discussion

Site:

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p63 SMA

(2)Luminal epithelial cell layer AE1/AE3

CK5/6

Low grade malignant tumours

high grade tumours show evidence of dedifferentiation recurrence rate 41%

5 year survival rate 87.5%

10 year survival rate 67.5%

題號 題目

1 Which is the most common malignant mixed tumor?

(A) carcinosarcoma

(B) Carcinoma ex pleomorphic adenoma (C) Metastasizing mixed tumor

(D) pleomorphic adenoma 答案

(B)

出處:Oral and Maxillofacial Pathology second edition p.424

題號 題目

2 Which is the more common site to be seen?

(A) Submandibular gland (B) Sublingual gland (C) Parotid gland

(D) Minor salivary gland 答案

(C)

出處:Oral and Maxillofacial Pathology second edition p.425

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