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Standardization of dermoscopic terminology and basic dermoscopic parameters to evaluate in general dermatology (non‐neoplastic dermatoses): an expert consensus on behalf of the International Dermoscopy Society


Errichetti, E; Zalaudek, I; Kittler, H; Apalla, Z; Argenziano, G; Bakos, R; Blum, A; Braun, R P; Ioannides, D; Lacarrubba, F; Lazaridou, E; Longo, C; Micali, G; Moscarella, E; Paoli, J; Papageorgiou, C; Russo, T; Scope, A; Stinco, G; Thomas, L; Toncic, R J; Tschandl, P; Cabo, H; Hallpern, A; Hofmann‐Wellenhof, R; Malvehy, J; Marghoob, A; Menzies, S; Pellacani, G; Puig, S; et al (2020). Standardization of dermoscopic terminology and basic dermoscopic parameters to evaluate in general dermatology (non‐neoplastic dermatoses): an expert consensus on behalf of the International Dermoscopy Society. British Journal of Dermatology, 182(2):454-467.

Abstract

BACKGROUND:
Over the last few years, several articles on dermoscopy of non-neoplastic dermatoses have been published, yet there is poor consistency in the terminology among different studies.
OBJECTIVES:
We aimed to standardize the dermoscopic terminology and identify basic parameters to evaluate in non-neoplastic dermatoses through an expert consensus.
METHODS:
The modified Delphi method was followed, with two phases: (i) identification of a list of possible items based on a systematic literature review and (ii) selection of parameters by a panel of experts through a three-step iterative procedure (blinded e-mail interaction in rounds 1 and 3 and a face-to-face meeting in round 2). Initial panellists were recruited via e-mail from all over the world based on their expertise on dermoscopy of non-neoplastic dermatoses.
RESULTS:
Twenty-four international experts took part in all rounds of the consensus and 13 further international participants were also involved in round 2. Five standardized basic parameters were identified: (i) vessels (including morphology and distribution); (ii) scales (including colour and distribution); (iii) follicular findings; (iv) 'other structures' (including colour and morphology); and (v) 'specific clues'. For each of them, possible variables were selected, with a total of 31 different subitems reaching agreement at the end of the consensus (all of the 29 proposed initially plus two more added in the course of the consensus procedure).
CONCLUSIONS:
This expert consensus provides a set of standardized basic dermoscopic parameters to follow when evaluating inflammatory, infiltrative and infectious dermatoses. This tool, if adopted by clinicians and researchers in this field, is likely to enhance the reproducibility and comparability of existing and future research findings and uniformly expand the universal knowledge on dermoscopy in general dermatology.

Abstract

BACKGROUND:
Over the last few years, several articles on dermoscopy of non-neoplastic dermatoses have been published, yet there is poor consistency in the terminology among different studies.
OBJECTIVES:
We aimed to standardize the dermoscopic terminology and identify basic parameters to evaluate in non-neoplastic dermatoses through an expert consensus.
METHODS:
The modified Delphi method was followed, with two phases: (i) identification of a list of possible items based on a systematic literature review and (ii) selection of parameters by a panel of experts through a three-step iterative procedure (blinded e-mail interaction in rounds 1 and 3 and a face-to-face meeting in round 2). Initial panellists were recruited via e-mail from all over the world based on their expertise on dermoscopy of non-neoplastic dermatoses.
RESULTS:
Twenty-four international experts took part in all rounds of the consensus and 13 further international participants were also involved in round 2. Five standardized basic parameters were identified: (i) vessels (including morphology and distribution); (ii) scales (including colour and distribution); (iii) follicular findings; (iv) 'other structures' (including colour and morphology); and (v) 'specific clues'. For each of them, possible variables were selected, with a total of 31 different subitems reaching agreement at the end of the consensus (all of the 29 proposed initially plus two more added in the course of the consensus procedure).
CONCLUSIONS:
This expert consensus provides a set of standardized basic dermoscopic parameters to follow when evaluating inflammatory, infiltrative and infectious dermatoses. This tool, if adopted by clinicians and researchers in this field, is likely to enhance the reproducibility and comparability of existing and future research findings and uniformly expand the universal knowledge on dermoscopy in general dermatology.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Dermatology Clinic
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Health Sciences > Dermatology
Uncontrolled Keywords:Dermatology
Language:English
Date:February 2020
Deposited On:21 Jan 2020 13:44
Last Modified:29 Jul 2020 13:00
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0007-0963
OA Status:Closed
Publisher DOI:https://doi.org/10.1111/bjd.18125
PubMed ID:31077336

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