Kathryn Schwarzenberger
Tanzania
Research Article
The Holster Sign: An Overlooked Cutaneous Finding in the Diagnosis of Dermatomyositis
Author(s): Sheldon Cooper, Kathryn Schwarzenberger, Christine Jones and Dean StephensSheldon Cooper, Kathryn Schwarzenberger, Christine Jones and Dean Stephens
Objective: Characteristic skin findings in dermatomyositis (DM) include Gottron’s papules (Gp), heliotrope rash (He) and shawl or V (S/V) sign. Noted in dermatology publications is a violaceous rash over the lateral hip, called the “Holster sign.” Our objective was to determine the incidence of the Holster sign (HS) in comparison to other DM cutaneous signs and to raise rheumatologists’ awareness of the HS.
Methods: Patients with ICD-9 codes for DM, PM, MCTD and SS were identified. Patients received a survey that included pictures of He, Gp, S/V and HS and were asked to check if they “had any of the following skin findings?” Charts were reviewed to confirm the diagnosis and providers’ description of skin findings. We calculated the incidence rate, sensitivity and specificity of each skin sign for DM... View More»
