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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 25:631-635, April 2004
© 2004 American Society of Neuroradiology

Case Report
HEAD AND NECK

Basal Cell Adenoma in the Parotid Gland: CT and MR Findings

Mijung Jang^a, Dongwoo Park^a, Seung Ro Lee^a, Chang Kok Hahm^a, Youngsun Kim^a, Yongsoo Kim^a, Choong Ki Park^a, Kyung Tae^b, Moon Hyang Park^c and Yong Wook Park^c

^a Department of Diagnostic Radiology, College of Medicine, Hanyang University, Kyomundong, South Korea
^b Department of Otolaryngology, College of Medicine, Hanyang University, Kyomundong, South Korea
^c Department of Pathology, College of Medicine, Hanyang University, Kyomundong, South Korea

Address correspondence and reprint request to Dongwoo Park, MD, Department of Diagnostic Radiology, College of Medicine, Hanyang University Kuri Hospital, 249–1, Kyomun-dong, Kuri-si, Kyounggi-do 471–701, South Korea

Summary: Basal cell adenoma is a rare benign salivary gland epithelial tumor, usually involving the parotid gland. We report CT and MR findings of three cases with basal cell adenoma occurring in the parotid gland. The three cases presented here demonstrate a well-circumscribed tumor, which showed a cystic and solid, or the pure solid mass. They were well enhanced after contrast matter injection. The solid portion of the mass was isoattenuated at CT, with intermediate signal intensity on T1- and T2-weighted MR images. Its cystic portion was hyperintense on both T1- and T2-weighted MR images. It had a hypointense rim on T2-weighted image.

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