Immune modules to guide diagnosis and personalized treatment of inflammatory skin diseases.

Previous advances have identified immune pathways associated with inflammatory skin diseases, leading to the development of targeted therapies. However, there is a lack of molecular approaches that delineate these pathways at the individual patient level for personalized diagnostic and therapeutic guidance. Here, we conduct a cross-comparison of expression profiles from multiple inflammatory skin diseases to identify gene modules defining relevant immune pathways.

Microsecretory adenocarcinoma of the skin, a novel type of sweat gland carcinoma: Report of three additional cases.

Microsecretory adenocarcinoma (MSA) is a newly described salivary gland tumor harboring a characteristic balanced chromosomal translocation resulting in MEF2C::SS18 gene fusion. Six primary cutaneous MSA cases have been recently described. We report three additional cases confirming the relevance of this recently identified entity of primary cutaneous adnexal tumor.

Non-immediate drug hypersensitivity reactions secondary to intravitreal anti-vascular endothelial growth factors.

Purpose: To describe a series of non-immediate drug hypersensitivity reactions after intravitreal anti-vascular endothelial growth factors (anti-VEGFs).

Patients And Methods: Retrospective report of 6 patients with cutaneous non-immediate drug hypersensitivity reactions following intravitreal anti-VEGF injections, 4 after ranibizumab, 1 after bevacizumab and 1 after aflibercept.

Results: Clinical manifestations ranged from mild maculopapular rash, purpura to severe generalized erythroderma, with or without systemic involvement such as microscopic hematuria and proteinuria or fever.

IgA Vasculitis With Henoch-Schönlein Purpura as an Immune Complication Associated With Left Ventricle Assist Device Insertion.

The implantation of left ventricular assist devices (LVADs) in patients with end-stage heart failure can be associated with some forms of immune dysregulation and systemic inflammatory response. These abnormalities may be related to impaired T-lymphocyte-dependent immunity and B-lymphocyte hyper-reactivity and may lead to the development of autoimmune processes and the occurrence of severe infections. We present here the first observation of a peculiar immune complication associated with the implantation of an LVAD, characterized by an IgA vasculitis clinically manifested as Henoch-Schönlein purpura.