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Dentomaxillofacial Radiology (2005) 34, 218-221
© 2005 British Institute of Radiology
doi: 10.1259/dmfr/96257752

RESEARCH

A trial for histopathological subclassification of papillary cystadenoma lymphomatosum by 99Tcm-pertechnetate in a patient with multiple bilateral lesions of the parotid glands

S Kawatoko1, T Sato*,1, Y Kawabata1, K Suenaga2, S Suenaga1, Y Morita3, H Indo1, K Kawano1, Y Iwashita1, HJ Majima1, K Sugihara4 and I Semba5

1 Field of Oncology, Department of Maxillofacial Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; 2 Division of Clinical Engineering, Kagoshima University Hospital, Kagoshima, Japan; 3 Department of Oral Radiology, Tsurumi University School of Dental Medicine, Tsurumi, Japan; 4 Field of Oral and Maxillofacial Rehabilitation, Department of Oral and Maxillofacial Diagnostic and Surgical Sciences, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan; 5 Field of Oncology, Department of Oral Pathology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan

*Correspondence to: Tsuyoshi Sato, Field of Oncology, Department of Maxillofacial Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan; E-mail: sato{at}denta.hal.kagoshima-u.ac.jp

Received 12 October 2004; revised 22 February 2005; accepted 15 March 2005

Objectives: The purpose of this report was to evaluate the possibility of subclassification of papillary cystadenoma lymphomatosum (PCL) with 99Tcm-pertechnetate.

Methods: A patient with multiple bilateral PCLs in the parotid glands was examined by using 99Tcm-pertechnetate.

Results: All PCLs of the present case, which were diagnosed as the subtype-II histopathologically, showed similar radioactive indexes in scintigraphy (the mean radioactive index = 3.62), although tumours were different in size. The mean radioactive index corresponded well with that from four cases of subtype-II of our previous report (the mean radioactive index = 3.84).

Conclusions: The results of the present report suggest a possibility of histopathological subclassification of PCLs into subtypes by 99Tcm-pertechnetate scintigraphy.

Keywords: papillary cystadenoma lymphomatosum; 99Tcm-pertechnetate; scintigraphy; parotid gland






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