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Pigmented spindle cell naevus of Reed: A controversial diagnostic entity in Australia

Authors

  • Scott A Webber,

    Corresponding author
    1. Department of Dermatology, Princess Alexandra Hospital
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  • Greg Siller,

    1. Department of Dermatology, Princess Alexandra Hospital
    2. Dermatology Research Centre, The University of Queensland, School of Medicine, Princess Alexandra Hospital, Brisbane, Queensland, Australia
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  • H Peter Soyer

    1. Department of Dermatology, Princess Alexandra Hospital
    2. Dermatology Research Centre, The University of Queensland, School of Medicine, Princess Alexandra Hospital, Brisbane, Queensland, Australia
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  • Scott A Webber, MB BS. Greg Siller, FACD. H Peter Soyer, MD.

  • Conflicts of interest: None declared.

Dr Scott A Webber, Department of Dermatology, Princess Alexandra Hospital, Brisbane, Qld 4102, Australia. Email: scottawebber@optusnet.com.au

ABSTRACT

Background/Objectives:  The Reed naevus or pigmented spindle cell naevus of Reed (PSCN) was previously considered a pigmented variant of the spindle cell-type of Spitz naevus. It is now considered a distinct entity and may overlap with cutaneous melanoma in both clinical and dermatoscopic features. We hypothesised that PSCN is an under-recognised entity in Australia and present a typical case. To test our hypothesis, we performed a clinically based survey of Australian dermatology trainees (Registrars). A further aim of our study was to determine the approach of dermatology trainees in this country to the management of this type of lesion.

Methods:  A web-based survey questionnaire based on the presented case was circulated to trainees of the Australasian College of Dermatologists. Responses, including level of training and initial approach to management, were collated and form the basis of the results presented herein.

Results:  Of 39 respondents, 13 (33%) diagnosed the lesion as PSCN. The majority (33/39; 84.6%) indicated they would biopsy the lesion, with most of these (91%) preferring excisional biopsy.

Conclusions:  The results support our hypothesis that PSCN is under-recognised in Australia. The results also show that despite difficulty distinguishing this lesion, management of these lesions by dermatology trainees in Australia is consistent and parallels current recommendations.

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