Basal cell adenoma of the parotid gland: a clinicopathological study of nine cases--basal cell adenoma versus pleomorphic adenoma and Warthin's tumor. 2010

Ryo Kawata, and Katsuhiro Yoshimura, and Kotetsu Lee, and Michitoshi Araki, and Hiroshi Takenaka, and Motomu Tsuji
Department of Otolaryngology, Osaka Medical College, 2-7 Daigaku-Cho Takatsuki, Osaka 569-8686, Japan. oto034@poh.osaka-med.ac.jp

The aim of this study is to investigate the clinical and pathological characteristics of basal cell adenoma (BCA) and to compare the diagnosis/treatment of BCA with those of Warthin's tumor (WT) and pleomorphic adenoma (PA). Among 192 patients with benign tumors of the parotid gland who underwent surgery, 9 had BCA. All of these tumors showed a benign pattern on computed tomography and magnetic resonance imaging. The accuracy of fine needle aspiration biopsy (FNAB) for diagnosis of BCA was slightly lower than for PA and WT. Most PA and BCA lesions developed in the upper part of the parotid gland. Considering the gender difference, tumor site, and age, it is necessary to differentiate BCA from PA rather than from WT. There were no significant differences in the duration of surgery, the blood loss, and the incidence of transient facial paralysis between surgical resection of BCA and surgery for PA or WT. BCA is the third most common of the benign parotid tumors, following WT and PA, although its incidence is low. When PA and WT are ruled out by FNAB after a tentative diagnosis of benign tumor has been based on imaging findings, BCA should be considered.

UI MeSH Term Description Entries
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008949 Adenoma, Pleomorphic A benign, slow-growing tumor, most commonly of the salivary gland, occurring as a small, painless, firm nodule, usually of the parotid gland, but also found in any major or accessory salivary gland anywhere in the oral cavity. It is most often seen in women in the fifth decade. Histologically, the tumor presents a variety of cells: cuboidal, columnar, and squamous cells, showing all forms of epithelial growth. (Dorland, 27th ed) Mixed Salivary Gland Tumor,Salivary Gland Tumor, Mixed,Syringoma, Chondroid,Adenomas, Pleomorphic,Chondroid Syringoma,Chondroid Syringomas,Pleomorphic Adenoma,Pleomorphic Adenomas,Syringomas, Chondroid
D009367 Neoplasm Staging Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. Cancer Staging,Staging, Neoplasm,Tumor Staging,TNM Classification,TNM Staging,TNM Staging System,Classification, TNM,Classifications, TNM,Staging System, TNM,Staging Systems, TNM,Staging, Cancer,Staging, TNM,Staging, Tumor,System, TNM Staging,Systems, TNM Staging,TNM Classifications,TNM Staging Systems
D010307 Parotid Neoplasms Tumors or cancer of the PAROTID GLAND. Cancer of Parotid,Parotid Cancer,Cancer of the Parotid,Neoplasms, Parotid,Cancer, Parotid,Cancers, Parotid,Neoplasm, Parotid,Parotid Cancers,Parotid Neoplasm
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000235 Adenolymphoma A benign tumor characterized histologically by tall columnar epithelium within a lymphoid tissue stroma. It is usually found in the salivary glands, especially the parotid. Cystadenoma Lymphomatosum, Papillary,Warthin Tumor,Adenolymphomas,Papillary Cystadenoma Lymphomatosum,Tumor, Warthin
D000236 Adenoma A benign epithelial tumor with a glandular organization. Adenoma, Basal Cell,Adenoma, Follicular,Adenoma, Microcystic,Adenoma, Monomorphic,Adenoma, Papillary,Adenoma, Trabecular,Adenomas,Adenomas, Basal Cell,Adenomas, Follicular,Adenomas, Microcystic,Adenomas, Monomorphic,Adenomas, Papillary,Adenomas, Trabecular,Basal Cell Adenoma,Basal Cell Adenomas,Follicular Adenoma,Follicular Adenomas,Microcystic Adenoma,Microcystic Adenomas,Monomorphic Adenoma,Monomorphic Adenomas,Papillary Adenoma,Papillary Adenomas,Trabecular Adenoma,Trabecular Adenomas
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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