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Extranodal Rosai-Dorfman disease: an uncommon cause of persistent nodule in the ear

Published online by Cambridge University Press:  29 June 2007

W. Y. W. Tsang ,
J. K. C. Chan ,
W. K. Ho ,
H. C. Yu  and
L. T. C. Chow
W. Y. W. Tsang*
Affiliation:
Institutes of Pathology and Otolarygnology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
J. K. C. Chan
Affiliation:
Institutes of Pathology and Otolarygnology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
W. K. Ho
Affiliation:
Institutes of Pathology and Otolarygnology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
H. C. Yu
Affiliation:
Institutes of Pathology and Otolarygnology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
L. T. C. Chow
Affiliation:
Institutes of Pathology and Otolarygnology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
*
Dr W. Y. W. Tsang, Institute of Pathology, Queen Elizabeth Hospital, Wylie Road, Kowloon, Hong Kong.
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Abstract

A 40-year-old woman presented with a nodule over the tragus of the right ear. A biopsy was initially reported as showing non-specific inflammation. In view of the persistence of the lesion, the histological material was reviewed, leading to revision of the diagnosis to Rosai-Dorfman disease, a diagnosis further confirmed by immunoreactivity of the histiocytes for s-100 protein. This case represented the extranodal form of Rosai-Dorfman disease in the absence of lymph node involvement.

Keywords

External earHistiocytosis, sinusRosai-Dorfman Disease
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 106 , Issue 3 , March 1992 , pp. 249 - 251
Copyright
Copyright © JLO (1984) Limited 1992

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References

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