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Acta Dermatovenerol Alp Pannonica Adriat 2019 Mar;28(1):15-20

Department of Dermatology, Dr. Vasantrao Pawar Medical College, Nashik, India.

Introduction: A retrospective epidemiological study was conducted to study seasonal variation in the incidence of pityriasis rosea (PR) and its temporal association with various meteorological variables, and dengue virus infection.

Methods: The study was conducted at a tertiary referral center in Guwahati, Assam, India. We searched for and retrieved all medical records of patients diagnosed with PR by dermatologists from December 1st, 2014 to July 31st, 2017. Read More

Acta Derm Venereol 2019 03 8. Epub 2019 Mar 8.

Department of Dermatology, Medipol University, TR-34214 Istanbul, Turkey.

Pityriasis rosea is a common acute exanthema of unknown aetiology, which causes severe anxiety. In this study, the demographic data of pityriasis rosea patients, who presented to our clinic between 2013 and 2017, were prospectively recorded. The patients with a confirmed pityriasis rosea diagnosis were followed up for 4 years in order to investigate the recurrence rate. Read More

Dermatol Pract Concept 2019 Jan 31;9(1):44-51. Epub 2019 Jan 31.

Public, Private, and Teaching Practice of Dermatology, Konstanz, Germany.

Background: Papulosquamous skin diseases can be challenging to diagnose, especially in dark skin. Dermoscopy is reported to be helpful, but few data are available on its use in skin type IV or darker.

Objective: To describe dermoscopic features in plaque-type psoriasis (PP), lichen planus (LP), and pityriasis rosea (PR) patients attending the Regional Dermatology Training Centre in Moshi, Northern Tanzania, and to compare findings with published data. Read More

Am Fam Physician 2019 Feb;99(4):226

An Bras Dermatol 2019 Jan-Feb;94(1):52-55

Department of Dermatology, 1st Affiliated Hospital, Anhui Medical University, Hefei, China.

Background: Pityriasis rosea is a common papulosquamous disorder. However, its etiology and pathogenesis remain unclear.

Objective: We investigate the types of inflammatory cells infiltrating the lesional skin of pityriasis rosea and demonstrate whether T-cell-mediated immunity is involved in the pathogenesis of this condition or not. Read More

Indian Dermatol Online J 2018 Nov-Dec;9(6):414-417

Department of Dermatology, AIIMS, Raipur, India.

Background: Pityriasis rosea (PR) is a common, self-limiting dermatologic disorder. The information regarding the clinical profile of the disease in India is limited because of inadequate studies.

Materials And Methods: A retrospective, record-based study on the clinical presentation of PR was conducted in a tertiary care center based in Central India. Read More

JAMA Dermatol 2018 Dec;154(12):1496

JAAD Case Rep 2018 Sep 14;4(8):800-801. Epub 2018 Sep 14.

DISSAL Department of Dermatology, Policlinico San Martino, Genoa, Italy.

G Ital Dermatol Venereol 2018 Sep 18. Epub 2018 Sep 18.

Department of Pathophysiology and Transplantation, Università degli Studi di Milano, I.R.C.C.S. Foundation, Cà Granda Ospedale Maggiore Policlinico, Milan, Italy.

Am Fam Physician 2018 Sep;98(5):283-291

Thomas Jefferson University Hospital, Philadelphia, PA, USA.

Annular lesions can present in a variety of diseases. Knowledge of the physical appearance and history of presentation of these skin findings can help in the diagnosis. A pruritic, annular, erythematous patch that grows centrifugally should prompt evaluation for tinea corporis. Read More

An Bras Dermatol 2018 Sep-Oct;93(5):686-695

Postgraduate Clinical Programs, Universidad del Valle, Cali, Colombia.

Background: There is a lack of evidence to support acyclovir administration in pityriasis rosea.

Objective: To determine the efficacy of acyclovir in patients with typical pityriasis rosea.

Methods: A systematic review and meta-analysis of experimental studies was performed in MEDLINE, SCOPUS, EMBASE and others, from January 1990 to October 2016 on acyclovir for pityriasis rosea. Read More

J Dermatolog Treat 2018 Sep 4:1-6. Epub 2018 Sep 4.

a Department of Dermatology , Taipei Medical University Hospital , Taipei , Taiwan.

Background: Acyclovir has been reported as a potential therapy for pityriasis rosea (PR) in several clinical trials on the basis of evidence of the involvement of human herpes viruses 6 and 7.

Objective: We evaluated the efficacy of acyclovir for abating PR skin lesions within a fixed period.

Methods: We searched 4 databases for clinical trials that used oral acyclovir to treat PR and performed systematic review and meta-analysis to determine oral acyclovir's effect on skin lesions on the 14th day after commencing treatment. Read More

Dermatology 2018 22;234(1-2):31-36. Epub 2018 Jun 22.

Background: Pityriasis rosea (PR) is a self-limiting exanthematous disease associated with human herpesvirus (HHV)-6 and/or HHV-7 reactivation. In pregnant women, PR may be associated with pregnancy complications.

Objective: To determine relevant risk factors in the development of negative pregnancy outcome in PR. Read More

Evid Based Complement Alternat Med 2018 27;2018:6816981. Epub 2018 Mar 27.

Department of Scientific Research, The First Affiliated Hospital, Xi'an Medical University, Xi'an, China.

Pityriasis rosea (PR), a skin rash, causes substantial discomfort in patients. There is a lack of effective therapies for PR. A combination of ultraviolet irradiation and treatment has been shown to be a safe and effective regime for control of PR; however, the data have been largely inconsistent. Read More

Pediatrics 2018 05 19;141(5). Epub 2018 Apr 19.

Laboratoire de Virologie EA3610, University Lille and Faculté de Médecine, Centre Hospitalier Régional Universitaire de Lille, Lille, France.

Pityriasis rosea (PR) usually presents as acute exanthema with oval erythematous-squamous lesions localized on the trunk, arms, and legs with spontaneous remission. We present an unusual case of PR with frequent relapses during a period of 7 years. An 11-year-old white female patient presented with many pruritic erythematous oval lesions on her trunk. Read More

Indian Dermatol Online J 2018 Mar-Apr;9(2):131-132

Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Postepy Dermatol Alergol 2018 Feb 20;35(1):116-117. Epub 2018 Feb 20.

Department of Dermatology, IRCCS A.O.U. San Martino-IST, Genoa, Italy.

Br J Clin Pharmacol 2018 05 9;84(5):1077-1080. Epub 2018 Mar 9.

Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon.

A 30-year-old pregnant female presented with a 2-week history of pityriasis rosea-like eruption. The rash started 2 days after the patient had started taking ondansetron 8 mg for alleviation of moderate-to-severe nausea and vomiting of pregnancy. Physical examination revealed erythematous papulosquamous lesions characterized by annular scaly margins and a dusky centre over the arms, chest, abdomen, lower back and legs. Read More

Cureus 2017 Dec 19;9(12):e1961. Epub 2017 Dec 19.

Department of Dermatology, University of California, San Diego.

Scabies, a mite infestation caused by 'Sarcoptes scabiei', most commonly presents as pruritic linear burrows where the mite has invaded the skin. Scabies variant such as bullous, crusted, hidden, incognito, nodular and scalp-mimic the other conditions. In addition, atypical presentations of scabies can masquerade as dermatitis herpetiformis, ecchymosis, Langerhans cell histiocytosis, systemic lupus erythematosus, urticaria, and urticaria pigmentosa. Read More

Dermatol Online J 2017 Aug 15;23(8). Epub 2017 Aug 15.

Department of Dermatology, IRCCS AOU San Martino, Genoa, Italy.

Pityriasis rosea (PR) may have atypical presentations as regards morphology and distribution of the lesions. Recently, several forms of PR considered atypical for the course of the disease have been described. Differently from the typical PR that resolves within 2-12 weeks, relapsing and persistent PR forms (lasting longer than 12 weeks) have been described in adults and children. Read More

Pediatr Dermatol 2018 Mar 13;35(2):e124-e127. Epub 2018 Feb 13.

Division of Dermatology, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.

Oral lesions are rarely reported in patients with pityriasis rosea. We report a case of a 3-year-old boy with clinical evidence of generalized pityriasis rosea who developed asymptomatic oral lesions similar in appearance to geographic tongue. The generalized eruption and tongue lesions resolved simultaneously within 4 weeks. Read More

Am Fam Physician 2018 Jan;97(1):Online

JAAD Case Rep 2018 Jan 19;4(1):55-57. Epub 2017 Dec 19.

Department of Dermatology, Tulane University, New Orleans, Louisiana.

Int J Dermatol 2018 Sep 29;57(9):1021-1034. Epub 2018 Jan 29.

Division of Clinical Dermatology, Mayo Clinic, Rochester, MN, USA.

Understanding the effects of age on the epidemiology of diseases primarily affecting the skin is important to the practice of dermatology, both for proper allocation of resources and for optimal patient-centered care. To fully appreciate the effect that age may have on the population-based calculations of incidence of diseases primarily affecting the skin in Olmsted County, Minnesota, and worldwide, we performed a review of all relevant Rochester Epidemiology Project-published data and compared them to similar reports in the worldwide English literature. Using the Rochester Epidemiology Project, population-based epidemiologic studies have been performed to estimate the incidence of specific skin diseases over the past 50 years. Read More

Am Fam Physician 2018 Jan;97(1):Online

Am Fam Physician 2018 Jan;97(1):38-44

Emory University School of Medicine, Atlanta, GA, USA.

Pityriasis rosea is a common self-limiting rash that usually starts with a herald patch on the trunk and progresses along the Langer lines to a generalized rash over the trunk and limbs. The diagnosis is based on clinical and physical examination findings. The herald patch is an erythematous lesion with an elevated border and depressed center. Read More

J Dermatolog Treat 2018 Sep 1;29(6):617-622. Epub 2018 Feb 1.

g Skin-Aid Clinic , Gurugram , India.

Purpose: To evaluate the efficacy and safety of short-course low-dose oral prednisolone in symptomatic pityriasis rosea (PR) of onset <5 days and compare it with placebo.

Material And Methods: Placebo-controlled randomized double-blind study design with the treatment group receiving tapering doses of oral prednisolone over 2 weeks and the control group receiving a placebo. Outcome measures evaluated were subsidence of patient-perceived pruritus, improvement in rash quantified by a specific score, adverse effects and relapse at 12 weeks. Read More

Acta Derm Venereol 2018 Aug;98(8):813-814

Department of Physiopathology and Transplantation, Università degli Studi di Milano, IRCCS Foundation, Cà Granda Ospedale Maggiore Policlinico, IT-20121 Milan, Italy.

Turk J Pediatr 2017 ;59(2):214-216

Department of Dermatology and Venereology, Gaziosmanpaşa University Faculty of Medicine, Tokat, Turkey.

Oğrum A. Unilateral pityriasis rosea in a child: A rare clinical presentation. Turk J Pediatr 2017; 59: 214-216. Read More

Indian J Dermatol 2017 Nov-Dec;62(6):598-605

Infectious Diseases & Immunology Division, CSIR Indian Institute of Chemical Biology, Kolkata, West Bengal, India.

Background: The etiopathogenesis of (PR), a papulo-squamous skin disease, remains elusive and hypothesized to be caused primarily by human herpesvirus (HHV) 6 or 7 or immune dysfunction.

Aims: The recent increasing incidences of hepatitis B virus (HBV) infections, including asymptomatic occult HBV infections (OBIs), in a densely populated city in India, prompted us to investigate whether PR patients (from varied socioeconomic and immune status) harbor the underlying HBV infections. These cases were also investigated for HHV 6 and 7 infections. Read More

Clin Exp Dermatol 2018 Jun 8;43(4):389-392. Epub 2017 Dec 8.

Department of Dermatology, No.1 affiliated hospital and Key Laboratory of Dermatology, Ministry of Education, Anhui Medical University, Hefei, China.

Background: The association of human leucocyte antigen (HLA) with a variety of diseases has been described, especially with various autoimmune diseases. However, there are few studies on the association between HLA and pityriasis rosea (PR).

Aim: To investigate the relevance of HLA II alleles with the development of PR. Read More

Hum Vaccin Immunother 2018 04 21;14(4):1024-1026. Epub 2017 Dec 21.

a Department of Dermatology , Qianfoshan Hospital, Shandong University , Jinan , Shandong , People's Republic of China.

Pityriasis rosea is a papulosquamous skin disorder that occurs most commonly between the ages of 10 and 35 years. Recurrent pityriasis rosea is rare. We report a patient suffering from recurrent pityriasis rosea, whose etiology may be related to either vaccine-induced stimulation of the immune system, or some rare vaccine component(influenza A [H1N1] vaccine, hepatitis B vaccine). Read More

Turk J Med Sci 2017 08 23;47(4):1302-1305. Epub 2017 Aug 23.

G Ital Dermatol Venereol 2019 Feb 16;154(1):85-86. Epub 2017 Nov 16.

DISSAL Department of Dermatology, IRCCS A.O.U, San Martino-IST, Genoa, Italy.

Am Fam Physician 2017 Aug;96(4):255-256

Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, Korea.

Iran J Pathol 2016 ;11(4):416-417

Skin Diseases Center, Nashik, India.

J Clin Diagn Res 2017 Jun 1;11(6):WL01. Epub 2017 Jun 1.

Professor, Department of Dermatology, University of Genoa, Genoa, Italy.

J Am Acad Dermatol 2017 Nov 18;77(5):833-837.e4. Epub 2017 Jul 18.

DISSAL Department of Dermatology, IRCCS AOU San Martino-IST, Genoa, Italy.

Background: Pityriasis rosea (PR) is an exanthematous disease associated with the endogenous systemic reactivation of human herpesvirus-6 (HHV-6) and human herpesvirus-7 (HHV-7). Oropharyngeal lesions may be associated with the exanthema, but anecdotal evidence suggests that few dermatologists are aware of their occurrence.

Objective: Classifying oropharyngeal lesions in PR, establishing their prevalence, and assessing their possible association with different PR forms. Read More

World J Clin Cases 2017 Jun;5(6):203-211

Francisco Urbina, Emilio Sudy, Dermatologists in Private Practice, Santiago de Chile 6760964, Chile.

Pityriasis rosea (PR) is a common erythemato-squamous dermatosis which almost always, is easily diagnosed. Mostly the disease presents in its classical form. However, clinical dermatology is all about variations and PR is not an exception. Read More

Postepy Dermatol Alergol 2017 Jun 29;34(3):276-278. Epub 2017 May 29.

Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland.

World J Gastroenterol 2017 Jun;23(21):3934-3944

Zong-Ming Zhang, Fang-Cai Lin, Zhuo Liu, Li-Min Liu, Chong Zhang, Hong-Wei Yu, Hai Deng, Ming-Wen Zhu, Zi-Xu Liu, Bai-Jiang Wan, Hai-Yan Yang, Jia-Hong Liao, Xu Luo, You-Wei Li, Wen-Ping Wei, Meng-Meng Song, Yue Zhao, Department of General Surgery, Beijing Electric Power Hospital, State Grid Corporation of China, Capital Medical University, Beijing 100073, China.

A 48-year-old woman was admitted with 15-mo history of abdominal pain, diarrhea and hematochezia, and 5-mo history of defecation difficulty. She had been successively admitted to nine hospitals, with an initial diagnosis of inflammatory bowel disease with stenotic sigmoid colon. Findings from computed tomography virtual colonoscopy, radiography with meglumine diatrizoate, endoscopic balloon dilatation, metallic stent implantation and later overall colonoscopy, coupled with the newfound knowledge of compound Qingdai pill-taking, led to a subsequent diagnosis of ischemic or toxic bowel disease with sigmoid colon stenosis. Read More

Indian Dermatol Online J 2017 May-Jun;8(3):217-218

Department of Pathology, Turgut Ozal University Faculty of Medicine, Ankara, Turkey.

Med Mal Infect 2017 06 31;47(4):301-302. Epub 2017 Mar 31.

DISSAL Department of Dermatology, IRCCS AOU, San Martino-IST, Largo Rosanna Benzi, 10, 16132 Genoa, Italy. Electronic address:

Cutan Ocul Toxicol 2018 Mar 19;37(1):100-102. Epub 2017 Apr 19.

a Department of Dermatology , Bozok University School of Medicine , Yozgat , Turkey and.

Pityriasis rosea is a common, self-limited and inflammatory skin disease. The etiology is not clearly known. Viral agents, autoimmunity, psychogenic factors and drugs have all been suggested as risk factors. Read More

Int J STD AIDS 2017 11 26;28(13):1348-1351. Epub 2017 Mar 26.

Department of Dermatology, Weill Cornell Medical College, New York, NY 10021, USA.

Pityriasis rosea (PR) is an acute self-limited exanthem characterized by oval erythematous patches with scale and may be difficult to differentiate from secondary syphilis. A rapid plasma reagin (RPR) test can be used to rule in secondary syphilis with high sensitivity and specificity. A retrospective study was performed on patients at Weill Cornell Medicine, who were diagnosed with PR from 2000 to 2016 and also received RPR testing at the time of diagnosis. Read More

Dermatol Online J 2017 Feb 15;23(2). Epub 2017 Feb 15.

2Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York.

Pityriasis Rosea (PR) is a common skin disorderencountered in daily practice. Although its etiologyhas not been established, there has been widespreadresearch into possibilities. The lack of its characteristicmanifestations, specifically the herald patch andtruncal involvement, can lead to pitfalls in diagnosis. Read More

Semin Diagn Pathol 2017 May 10;34(3):226-236. Epub 2017 Feb 10.

Department of Radiation Oncology, The Ohio State University, Columbus, OH, USA.

This review article focuses on the spongiotic tissue reaction pattern and some of the common entities that practicing pathologists can frequently encounter in their practice. The spongiotic tissue reaction pattern is the single most common one encountered in the routine analysis of inflammatory dermatoses, and the most non-specific one as well. Spongiotic dermatoses include a very large list of disorders which are best grouped under neutrophilic, eosinophilic, miliarial, follicular and pityriasiform forms of spogiosis. Read More

Indian J Dermatol 2017 Jan-Feb;62(1):95

DISSAL Department of Dermatology, IRCCS AOU San Martino-IST, 16132 Genoa, Italy. E-mail: