Preauricular pilomatrixoma: a diagnostic pitfall |
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Authors: | M Makek D J Franklin U Fisch |
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Affiliation: | Institute of Pathology, University Hospital Zurich, Switzerland. |
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Abstract: | Although pilomatrixomas are well known to dermatologists and dermatopathologists, surgeons encountering these lesions over the parotid gland frequently do not consider this benign neoplasm in the differential diagnosis. Presentation of a subcutaneous preauricular lesion, coupled with an erroneous cytologic diagnosis of malignancy, can potentially result in histologic "overdiagnosis" and more aggressive therapy than is required for these benign hair follicle neoplasms. A case is reported to illustrate this potential diagnostic trap, and a series of 206 cases collected at the University Hospital of Zurich from 1975 to 1987 is reviewed. |
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