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Dentomaxillofacial Radiology (2003) 32, 134-136
© 2003 British Institute of Radiology
doi: 10.1259/dmfr/54388937

CASE REPORT

Adenocarcinoma of the parotid gland with calcification

H-U Song, K-J Kwon and K-J Koh*

Department of Oral and Maxillofacial Radiology, School of Dentistry, and Institute of Oral Bio Science, Chonbuk National University, Jeonju, South Korea

*Correspondence to: KJ Koh, Department of Oral and Maxillofacial Radiology, School of Dentistry, 634-18, Keum-Am Dong, Duk-Jin Gu, Jeonju, Chonbuk, 561-712, South Korea; Email: radkoh{at}moak.chonbuk.ac.kr

Received 25 July 2002; revised 10 December 2002; accepted 2 January 2003

A 78-year-old Korean woman was referred to Chonbuk National University Dental Hospital complaining of facial palsy and palpable mass in the right parotid gland area for 4 years. Clinical examination showed an asymmetrical facial appearance due to a 4 cmx5 cm hard, fixed, non-tender mass in the right parotid gland area, incomplete eye closure and a slight tremor at the corner of the mouth. A panoramic radiograph showed an amorphous calcified mass on the posterior mandibular ramus with thinning of the cortical plate adjacent to the mass. A sialogram showed constriction of the main duct and no further filling of striated, intercalated ducts and parenchymal areas. CT indicated an expansile mass with slight contrast enhancement involving the right parotid gland. The large mass showed necrotic areas and calcifications. A bone scan showed marked accumulation of 99Tcm-methylene diphosphonate on the right posterior maxilla. Microscopic findings revealed minimal morphological alterations and rare mitotic figures within tumour cells, and the lesion was diagnosed as adenocarcinoma not otherwise specified (NOS, grade II).

Keywords: adenocarcinoma; parotid gland; pathological calcification






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