Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Τετάρτη 31 Ιανουαρίου 2018

The PARACELSUS score: A novel diagnostic tool for pyoderma gangrenosum

Abstract

Background

The lack of objective diagnostic criteria renders pyoderma gangrenosum (PG) a diagnosis of exclusion. The diagnostic approaches proposed to date have not been systematically evaluated. Thus, PG remains a challenging and frequently misdiagnosed disorder.

Objectives

To develop and assess a comprehensive yet clinically practicable as well as sensitive diagnostic scoring system for PG.

Methods

Clinical history and images of a total of 60 subjects with previously confirmed PG located on the lower extremity as well as a control cohort of 50 patients with venous leg ulcers were retrospectively evaluated by expert teams at two tertiary dermatological centres specializing in wound care using a newly developed diagnostic scoring system composed of ten criteria.

Results

The three major diagnostic criteria are rapidly progressing disease, assessment (absence) of relevant differential diagnoses and reddish-violaceous wound border (prevalent in 98.3% of PG patients, respectively). Minor criteria (evident in 61-95% of PG cases) include amelioration (alleviation) by immunosuppressant drugs, characteristically irregular shape of ulceration, extreme pain >4/10 on visual analogue scale, and localization of lesion at site of trauma. Three additional criteria (observed in up to 60% of PG subjects) encompass suppurative inflammation in histopathology, undermined wound margins as well as concomitant systemic disease. A total score value of ten points or higher indicates a high likelihood of PG and differentiates PG from venous leg ulcers. The initial letters of the above-listed criteria form the acronym PARACELSUS.

Conclusion

The PARACELSUS score represents a novel, easily implementable, effective and sensitive diagnostic tool for PG.

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