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Clin Exp Dermatol 2021 Apr 29. Epub 2021 Apr 29.

Departments of, Dermatology, Hereford County Hospital, Wye Valley NHS Trust, Herefordshire, UK.

Case Rep Dermatol 2021 Jan-Apr;13(1):134-140. Epub 2021 Feb 18.

Skinlab, Department of Biomedical Sciences, University of Sassari, Sassari, Italy.

Erythema annulare centrifugum (EAC) is a rare erythema characterized by erythematous and urticarial papules or annular plaques that enlarges centrifugally. The lesions usually involve the thighs and the legs. Several disorders are occasionally associated with EAC, infections, including mycoses, bacteria, or viruses and drugs have also been regarded as possible causes of this eruption. Read More

Ugeskr Laeger 2020 Dec;182(52)

Int J Dermatol 2021 Mar 23;60(3):384-386. Epub 2020 Dec 23.

Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.

An Bras Dermatol 2021 Jan-Feb;96(1):114-116. Epub 2020 Nov 19.

Department of Dermatology, Hospital Universitario Ramón y Cajal, Madrid, Spain.

BMJ Case Rep 2020 Nov 3;13(11). Epub 2020 Nov 3.

Department of Haematology, University College London Hospitals NHS Foundation Trust, London, UK.

We present the case of a 29-year-old woman who initially presented to her GP with a short history of non-pruritic annular skin lesions with central clearing. A month later, she developed signs and symptoms of bone marrow failure with bruising, epistaxis and fatigue. After urgent review of a blood film, she was diagnosed with acute promyelocytic leukaemia (APML), which is a haematological emergency. Read More

Cureus 2020 Aug 20;12(8):e9906. Epub 2020 Aug 20.

Histopathology, The Aga Khan University, Karachi, PAK.

Erythema annulare centrifugum (EAC) is an unusual skin condition appearing as recurrent erythematous annular eruptions associated with autoimmune disorders, infections, and various neoplastic conditions. We present a very rarely reported association of EAC with Hashimoto thyroiditis (HT) in a young male. A 26-year-old male recently diagnosed as case of HT presented in the dermatology clinic with nine-month history of non-itchy persistent annular lesions on the body. Read More

Med Clin (Barc) 2020 Aug 20. Epub 2020 Aug 20.

Dermatology Department, Central University Hospital of Asturias, Oviedo, Spain.

Actas Dermosifiliogr 2020 Nov 18;111(9):788-790. Epub 2020 Jul 18.

Servicio de Dermatología, Instituto Valenciano de Oncología (IVO), Valencia, España.

J R Coll Physicians Edinb 2020 03;50(2):54-55

Oxford University Clinical Research Unit, Patan Hospital, Kathmandu, Nepal.

J Eur Acad Dermatol Venereol 2020 Oct 24;34(10):e617-e620. Epub 2020 May 24.

Clinic of Dermatovenereology, Clinical Center of Serbia, Belgrade, Serbia.

G Ital Dermatol Venereol 2020 Mar 10. Epub 2020 Mar 10.

Dermatology Unit, University of Campania Luigi Vanvitelli, Naples, Italy.

Ann Dermatol Venereol 2020 May 19;147(5):373-376. Epub 2020 Feb 19.

Service de dermatologie, centre hospitalier de Colmar, Colmar, France.

Introduction: Capnocytophagacanimorsus (C. canimorsus), a commensal Gram-negative bacillus found in the oral cavity of dogs and cats, is pathogenic for humans, with the most common clinical manifestations being septicemia, meningitis and endocarditis. Herein we report a case of CC bacteremia manifesting as multiple plaques of erythema annulare centrifugum associated with monoarthritis of the knee. Read More

Dermatopathology (Basel) 2019 Oct-Dec;6(4):241-245. Epub 2020 Jan 22.

Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts, USA.

Mycosis fungoides, the most common cutaneous T-cell lymphoma, is known to exhibit varied clinical presentations and mimic many other dermatoses. This morphological heterogeneity can often lead to initial misdiagnoses resulting in significant delays from symptom onset to diagnosis. We report a case of mycosis fungoides imitating clinical and histopathological features of erythema annulare centrifugum. Read More

Postepy Dermatol Alergol 2019 Apr 14;36(2):234-236. Epub 2019 May 14.

Department of Dermatology, University of Rzeszow, Rzeszow, Poland.

JAAD Case Rep 2019 Jul 26;5(7):572-575. Epub 2019 Jun 26.

1st Department of Dermatology-Venereology, National and Kapodistrian University of Athens, Faculty of Medicine, "A. Sygros" Hospital for Cutaneous & Venereal Diseases, Athens, Greece.

JAAD Case Rep 2019 Jun 21;5(6):475-477. Epub 2019 May 21.

The Department of Dermatology, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts.

BMJ Case Rep 2019 May 29;12(5). Epub 2019 May 29.

Dermatology, CHU Ibn Sina, Rabat, Morocco.

Dermatol Online J 2018 Oct 15;24(10). Epub 2018 Oct 15.

Department of Dermatology, Indiana University School of Medicine, Indianapolis, Indiana.

Sipuleucel-T is a cellular immunotherapy approved for the treatment of metastatic castration-resistant prostate cancer. We report a patient developing an immune related adverse effect from sipuleucel-T drug-induced erythema annulare centrifugum-like eruption. A brief review of the mechanism and implications of this eruption are also included. Read More

Int J Dermatol 2019 Nov 8;58(11):1337-1340. Epub 2019 Jan 8.

Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, FL, USA.

JAAD Case Rep 2018 Nov 10;4(10):1024-1026. Epub 2018 Nov 10.

Department of Dermatology, University of Mississippi Medical Center, Jackson, Mississippi.

Indian J Dermatol 2018 Jan-Feb;63(1):70-72

Department of Pathology, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.

Erythema annulare centrifugum (EAC) is characterised by slowly enlarging annular erythematous lesions and is thought to represent a clinical reaction pattern to infections, medications, and rarely, underlying malignancy. Causative drugs include chloroquine, cimetidine, gold sodium thiomalate, amitriptyline, finasteride, etizolam etc. We present a case of 40-year-old woman who presented to us with a 10 days history of nonpruritic, peripherally growing annular erythematous eruption. Read More

Actas Dermosifiliogr 2018 Oct 17;109(8):755-757. Epub 2018 Feb 17.

Unidad de Gastroenterología, Hospital Santo António dos Capuchos, Centro Hospitalar de Lisboa Central, Lisboa, Portugal.

Clin Exp Dermatol 2018 Apr 3;43(3):296-299. Epub 2018 Jan 3.

Department of Dermatology, Hindu Rao Hospital, New Delhi, India.

Erythema annulare centrifugum (EAC) is a form of figurate erythema consequent to a cutaneous hypersensitivity reaction to an underlying agent. In the present study, we aimed to assess the role of oral azithromycin in cases of idiopathic EAC. We performed an open trial of azithromycin in 10 patients with idiopathic EAC. Read More

Acta Dermatovenerol Croat 2017 Oct;25(3):255-256

Sheng-Yiao Lin, No. 100, Tzyou 1st Road, Kaohsiung 807, Taiwan;

Dear Editor, Bullous pemphigoid (BP), a relatively common autoimmune blistering disease in the elderly, is characterized by large, tense bullae on urticarial, erythematous, or normal skin. However, atypical BP with polymorphic clinical presentations is rarely encountered, leading to misdiagnosis and delayed treatments (1). BP with lesions resembling erythema gyratum repens or figurate erythema has been regarded as a paraneoplastic phenomenon (1). Read More

Clin Case Rep 2017 08 21;5(8):1255-1257. Epub 2017 Jun 21.

Department of Dermatology Hospital Universitario Severo Ochoa Avenida de Orellana 28911 Leganés Madrid Spain.

Annular urticarial lesions in a child must establish a main differential diagnosis with urticaria multiforme, common urticaria, acute hemorrhagic edema of infancy, erythema marginatum, erythema annulare centrifugum, annular erythema in childhood, erythema multiforme, Sweet's syndrome, Schönlein-Henoch purpura, erythematosus lupus, several systemic vasculitis, and serum sickness. Read More

Ann Dermatol 2017 Aug 21;29(4):479-482. Epub 2017 Jun 21.

Department of Dermatology, Chonnam National University Medical School, Gwangju, Korea.

Autoimmune progesterone dermatitis is a rare cyclic premenstrual reaction to progesterone produced during the luteal phase of the menstrual cycle. The clinical symptoms of autoimmune progesterone dermatitis overlap with other forms of dermatosis such as erythema multiforme, eczema, fixed drug eruption, urticaria, and angioedema. We experienced 3 cases of autoimmune progesterone dermatitis. Read More

J Dtsch Dermatol Ges 2017 Nov 21;15(11):1136-1138. Epub 2017 Jul 21.

Department of Dermatology and Venereology, Istanbul Medical Faculty, Istanbul University, Istanbul, Turkey.

Australas J Dermatol 2018 May 20;59(2):e150-e151. Epub 2017 Jul 20.

Department of Dermatology, Cathay General Hospital, Taipei, Taiwan.