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Joshi TP, Duvic M. Pityriasis Rubra Pilaris: An Updated Review of Clinical Presentation, Etiopathogenesis, and Treatment Options. Am J Clin Dermatol 2024; 25:243-259. [PMID: 38159213 DOI: 10.1007/s40257-023-00836-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/03/2024]
Abstract
Pityriasis rubra pilaris (PRP) is a rare papulosquamous reaction pattern with a significant impact on quality of life. Type I PRP is the most common PRP variant, presenting as erythematous papules emerging in a follicular distribution and later coalescing into plaques with characteristic islands of sparing; histologically, an alternating pattern of orthokeratosis and parakeratosis is considered the hallmark of PRP (checkerboard hyperkeratosis). Other PRP variants (types II-V) differ in their age of onset and clinical presentation. Type VI PRP is a rare PRP subtype associated with human immunodeficiency virus infection and is occasionally associated with diseases of the follicular occlusion tetrad. Caspase recruitment domain family, member 14 (CARD14)-associated papulosquamous eruption and facial discoid dermatitis are newly described disease states that have an important clinical overlap with PRP, creating shared conundrums with respect to diagnosis and treatment. The etiology inciting PRP often remains uncertain; PRP has been suggested to be associated with infection, malignancy, or drug/vaccine administration in some cases, although these are based on case reports and causality has not been established. Type V PRP is often due to inborn CARD14 mutations. Furthermore, recent literature has identified interleukin-23/T-helper-17 cell axis dysregulation to be a major mediator of PRP pathogenesis, paving the way for mechanism-directed therapy. At present, high-dose isotretinoin, ixekizumab, and secukinumab are systemic agents supported by single-arm prospective studies; numerous other agents have also been trialed for PRP, with variable success rates. Here, we discuss updates on clinical manifestations, present new insights into etiopathogenesis, and offer a survey of recently described therapeutic options.
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Affiliation(s)
- Tejas P Joshi
- School of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX, 77030, USA.
| | - Madeleine Duvic
- Department of Dermatology, University of Texas, MD Anderson Cancer Center, Houston, TX, USA
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Jain S, Bhandari A, Vinay K, Chatterjee D. Ponatinib Induced Pityriasis Rubra Pilaris: Case Report and Review of Literature. Indian Dermatol Online J 2023; 14:887-889. [PMID: 38099031 PMCID: PMC10718092 DOI: 10.4103/idoj.idoj_683_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/12/2023] [Accepted: 03/21/2023] [Indexed: 12/17/2023] Open
Affiliation(s)
- Sejal Jain
- Department of Dermatology, Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Adhyatm Bhandari
- Department of Dermatology, Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Keshavamurthy Vinay
- Department of Dermatology, Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Debajyoti Chatterjee
- Department of Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India
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Zhang X, Xie Y, Wang L. Rare Cutaneous Side Effects of Imiquimod: A Review on Its Mechanisms, Diagnosis, and Management. Dermatol Ther (Heidelb) 2023; 13:1909-1934. [PMID: 37528289 PMCID: PMC10442311 DOI: 10.1007/s13555-023-00978-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 07/05/2023] [Indexed: 08/03/2023] Open
Abstract
As an immune-response modifier, imiquimod can bind to Toll-like receptors on immune cells and enhance innate and adaptive immune responses, exerting potential antitumor and antiviral effects, which led to its approval by the US Food and Drug Administration for the treatment of actinic keratosis, superficial basal cell carcinomas, and anogenital warts, and to its off-label use in treating many other benign and malignant dermatoses. Although topical administration of imiquimod has been considered well tolerated, an increasing number of cutaneous and noncutaneous side effects are being reported as its clinical applications expand. This review primarily focuses on rare cutaneous side effects. To the best of our knowledge, this is the first article to summarize the mechanism, diagnosis, and management of rare cutaneous side effects of imiquimod, which may help to heighten awareness among physicians, especially dermatologists, about potential imiquimod-induced cutaneous side effects.
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Affiliation(s)
- Xiaoyan Zhang
- Department of Dermatovenereology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Yao Xie
- Department of Dermatovenereology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Lin Wang
- Department of Dermatovenereology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, China.
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Ji-Xu A, Lei DK, Maloney NJ, Worswick S. Clinical course, diagnostic patterns, and treatment outcomes in patients with pityriasis rubra pilaris. J Am Acad Dermatol 2022; 87:1450-1451. [PMID: 35931219 DOI: 10.1016/j.jaad.2022.07.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/16/2022] [Accepted: 07/29/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Antonio Ji-Xu
- Department of Dermatology, University of California, Davis, Sacramento, California.
| | - Donald K Lei
- Division of Dermatology, Department of Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York
| | - Nolan J Maloney
- Department of Dermatology, Stanford University, Palo Alto, California
| | - Scott Worswick
- Department of Dermatology, University of Southern California, Los Angeles, California
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Bramhoff AC, Wesselmann U, Bender ST, Berghoff AV, Hofmann SC, Balakirski G. [Pityriasis rubra pilaris after COVID-19 vaccination: causal relationship or coincidence?]. Hautarzt 2022; 73:634-637. [PMID: 35296923 PMCID: PMC8926091 DOI: 10.1007/s00105-022-04972-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2022] [Indexed: 12/03/2022]
Abstract
Seit der Markteinführung der COVID-19-Impfstoffe werden regelmäßig kutane Nebenwirkungen dieser Vakzine beschrieben. Diese beinhalten unter anderem lokale Impfreaktionen (insbesondere den sog. COVID-Arm), urtikarielle, makulopapulöse und pityriasiforme Exantheme oder vorübergehende Exazerbationen einer vorbestehenden chronisch entzündlichen Hauterkrankung. Wir berichten über 3 Fälle einer Pityriasis rubra pilaris, die in engem zeitlichen Zusammenhang mit der Verabreichung eines COVID-19-Impfstoffs erstmals aufgetreten sind.
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Affiliation(s)
- A C Bramhoff
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
| | - U Wesselmann
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
| | - S T Bender
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
| | - A V Berghoff
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
| | - S C Hofmann
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
| | - G Balakirski
- Zentrum für Dermatologie, Allergologie und Dermatochirurgie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland.
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