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Pityriasis rubra pilaris

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https://www.readbyqxmd.com/read/28690516/eruptive-seborrheic-keratoses-restricted-to-plaque-patch-stage-mycosis-fungoides
#1
Eve Lebas, Pascale Quatresooz, Jorge E Arrese, Arjen F Nikkels
Eruptive seborrheic keratoses (ESK) are rare in dermatology. They are usually inflammatory in nature and may be encountered as Leser-Trélat sign. ESK may also be simultaneously observed with hepatic angiomas, chemotherapy, segmental neurofibromatosis, HIV or erythrodermic pityriasis rubra pilaris, psoriasis, and drug eruption. ESK may be transient and self-healing. Others recede after successful treatment of the underlying disease. In some instances, seborrheic keratoses may follow an isotopic response and remain strictly restricted to sites of previous eczema, photo-exposition or tattoos...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28368874/efficacy-of-triaging-direct-immunofluorescence-in-intraepidermal-bullous-dermatoses
#2
Brian J Tjarks, Steven D Billings, Jennifer S Ko
BACKGROUND: Direct immunofluorescence (DIF) is considered pivotal in diagnosing autoimmune blistering diseases. Our goal was to examine the necessity of DIF in intraepidermal bullous cases, of which pemphigus vulgaris (PV) is the prototype. METHODS: Sixty-six cases from 2010 to 2014 submitted for DIF with an intraepidermal blistering disease listed in the differential diagnosis were reviewed by 2 board-certified dermatopathologists to see if they would order DIF based on routine histologic findings...
March 24, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28301045/beneficial-effect-of-ustekinumab-in-familial-pityriasis-rubra-pilaris-with-a-new-missense-mutation-in-card14
#3
S M Lwin, C-K Hsu, L Liu, H-Y Huang, N J Levell, J A McGrath
Pityriasis rubra pilaris (PRP) represents a group of rare chronic inflammatory skin disorders in which ~1 in 20 affected individuals show autosomal dominant inheritance. In such cases, there may be gain-of-function mutations in CARD14, encoding caspase recruitment domain-containing protein 14 (CARD14) that activates the non-canonical nuclear factor-kappa B (NF-κB) pathway, thereby promoting cutaneous inflammation. Here, we report a mother and son with PRP due to a new missense mutation in CARD14 and describe the beneficial clinical effects of ustekinumab, a monoclonal antibody against interleukins-12 and -23, in both subjects...
March 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28295164/autosomal-dominant-familial-generalized-pustular-psoriasis-caused-by-a-card14-mutation
#4
T Takeichi, A Kobayashi, E Ogawa, Y Okuno, S Kataoka, M Kono, K Sugiura, R Okuyama, M Akiyama
In 2012, gain-of-function mutations in CARD14, which encodes caspase recruitment domain family member 14, were identified as the cause of familial psoriasis vulgaris (PV) and familial pityriasis rubra pilaris (PRP).(1,2) We and another group reported that CARD14 variants are associated with generalized pustular psoriasis (GPP) and palmoplantar pustular psoriasis (PPP).(3-5) The other reports mentioned that CARD14 mutations in individuals with GPP and erythrodermic PRP. (4,6) Very recently, we described PRP type V as an autoinflammatory disease caused by CARD14 mutations...
March 10, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28280914/differentiation-of-pityriasis-rubra-pilaris-from-plaque-psoriasis-by-dermoscopy
#5
N E Abdel-Azim, S A Ismail, E Fathy
Pityriasis rubra pilaris (PRP) and plaque psoriasis (PP) are two distinctive erythemato-squamous skin diseases that often have to be differentiated from each other and from other similar dermatoses. Dermoscopy has been proven to aid the clinical diagnosis of several inflammatory disorders, minimizing the need for skin biopsy. Our aim was to determine the dermoscopic patterns of PRP compared to PP and to assess the significance of certain dermoscopic criteria in the diagnosis of PRP. This case-control study included 11 patients with biopsy proven PRP and 25 patients with biopsy proven plaque psoriasis...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28266882/high-grade-follicular-lymphoma-in-a-patient-receiving-adalimumab-and-methotrexate-for-pityriasis-rubra-pilaris
#6
E Nic Dhonncha, K Fadalla, B Moriarty, D Gibbons, C D Collins, A Fabre, P Collins
No abstract text is available yet for this article.
March 7, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28122069/interleukin-23-helper-t-cell-17-axis-as-a-treatment-target-for-pityriasis-rubra-pilaris
#7
Laurence Feldmeyer, Alessio Mylonas, Olivier Demaria, Anna Mennella, Nikhil Yawalkar, Emmanuel Laffitte, Daniel Hohl, Michel Gilliet, Curdin Conrad
Importance: Treatment of pityriasis rubra pilaris (PRP) is solely based on its resemblance to psoriasis rather than any knowledge of its pathomechanism. Insight into pathogenic mediators of inflammation is essential for targeted and valid treatment options that could replace previous serendipitous therapeutic approaches in refractory PRP. Objective: To determine whether blockade of the interleukin 23-helper T cell 17 (IL-23-TH17) pathway with ustekinumab represents an efficacious and, based on its proinflammatory cytokine profile, targeted treatment option in PRP...
April 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28094165/psoriasiform-dermatitides-a-brief-review
#8
REVIEW
Mark R Wick
Psoriasis vulgaris (PV)-the prototypical "psoriasiform" dermatitis-may assume a spectrum of histologic appearances, depending on whether it has been treated or not. Because of that relative lack of morphological uniformity, other skin disorders that feature epidermal acanthosis, with or without associated inflammation, may be confused diagnostically with PV. This brief review considers the clinicopathologic attributes of PV and its imitators, including chronic spongiotic dermatitides, lichen simplex chronicus, prurigo nodularis, pityriasis rubra pilaris, psoriasiform secondary syphilis, and Reiter syndrome...
May 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/27981219/successful-treatment-of-type-ii-pityriasis-rubra-pilaris-with-secukinumab
#9
Marie-Léa Gauci, Marie Jachiet, Jeremy Gottlieb, Isabelle Madeleine-Chambrin, Michel Rybojad, Martine Bagot, Jean-David Bouaziz
No abstract text is available yet for this article.
November 2016: JAAD Case Reports
https://www.readbyqxmd.com/read/27896859/paraneoplastic-pityriasis-rubra-pilaris-case-report-and-literature-review
#10
E Bar-Ilan, A Gat, E Sprecher, T Zeeli
Pityriasis rubra pilaris (PRP; MIM 173200) is an uncommon papulosquamous inflammatory dermatosis. Only a few cases of PRP associated with an underlying malignancy have been documented. We investigated a 59-year-old patient presenting with a fulminant form of PRP recalcitrant to systemic retinoid therapy, in whom the skin disease heralded a diagnosis of cholangiocarcinoma. We searched the MEDLINE database to find articles reporting on similar associations of PRP with malignancies. We identified 10 studies linking PRP and malignancies, but an association between PRP and cholangiocarcinoma has not yet been reported...
January 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27874201/follicular-psoriasis-differentiation-from-pityriasis-rubra-pilaris-an-illustrative-case-and-review-of-the-literature
#11
REVIEW
Cuong V Nguyen, Ronda S Farah, Sheilagh M Maguiness, Daniel D Miller
The follicular presentation of psoriasis is a well-described but uncommon variant. In some cases, follicular psoriasis may clinically and histopathologically mimic pityriasis rubra pilaris. There are several reports discussing the resemblance of widespread follicular psoriasis in children to pityriasis rubra pilaris. We describe a case of follicular psoriasis in a 16-year-old black girl with acrally distributed follicular hyperkeratotic papules with associated keratoderma of her plantar surfaces resembling pityriasis rubra pilaris...
January 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/27867741/pityriasis-rubra-pilaris-like-eruption-following-insulin-therapy-initiation
#12
Talel Badri, Anissa Zaouak, Ghozlane Lakhoua, Wafaa Koubaa, Sami Fennich, Ahmed Zaiem
Pityriasis rubra pilaris (PRP) is a chronic disorder of keratinization of unclear pathogenesis. PRP-like eruptions induced by drugs have rarely been described. A previously healthy 29-year-old man presented with a generalized, rapidly spreading, erythematosquamous dermatosis, that started three days after initiation of subcutaneous insulin therapy for diabetes mellitus type 1. Clinical and histopathological features were consistent with a PRP-like eruption, possibly due to insulin therapy. The patient was switched to insulin analogue therapy and a complete healing of all lesions was achieved after two months...
October 2016: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/27862745/infliximab-induced-cutaneous-eruption-resembling-pityriasis-rubra-pilaris-in-a-patient-with-takayasu-s-arteritis
#13
Andac Salman, Yaman Sonmez, Hulya Sahin, Ali Ugur Unal, Haner Direskeneli, Leyla Cinel, Tulin Ergun
No abstract text is available yet for this article.
November 12, 2016: Dermatologic Therapy
https://www.readbyqxmd.com/read/27760266/pityriasis-rubra-pilaris-type-v-as-an-autoinflammatory-disease-by-card14-mutations
#14
Takuya Takeichi, Kazumitsu Sugiura, Toshifumi Nomura, Taiko Sakamoto, Yasushi Ogawa, Naoki Oiso, Yuko Futei, Aki Fujisaki, Akiko Koizumi, Yumi Aoyama, Kimiko Nakajima, Yutaka Hatano, Kei Hayashi, Akemi Ishida-Yamamoto, Sakuhei Fujiwara, Shigetoshi Sano, Keiji Iwatsuki, Akira Kawada, Yasushi Suga, Hiroshi Shimizu, John A McGrath, Masashi Akiyama
Importance: We found CARD14 mutations (2 de novo novel mutations and another previously reported mutation) in 3 of 3 patients with pityriasis rubra pilaris (PRP) type V, but not in patients with PRP of other types. Our findings, combined with the published literature, suggest that type V PRP, both familial and sporadic, can be caused by CARD14 mutations. Detailed clinical observation revealed that all 3 patients displayed unique patchy macular brown hyperpigmentation. Objective: To further determine how often patients with PRP have pathogenic mutations in CARD14 and to elucidate which clinical subtype of PRP is caused by CARD14 mutations...
January 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/27739122/efficacy-of-ustekinumab-after-failure-of-infliximab-ct-p13-in-a-hla-cw6-positive-patient-affected-by-pityriasis-rubra-pilaris-monitoring-with-reflectance-confocal-microscopy-rcm-and-optical-coherence-tomography-oct
#15
LETTER
A Paganelli, S Ciardo, G Odorici, G Pellacani, A Conti
No abstract text is available yet for this article.
October 14, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27706476/successful-treatment-of-refractory-pityriasis-rubra-pilaris-with-secukinumab
#16
Daniel Schuster, Andrea Pfister-Wartha, Leena Bruckner-Tuderman, Christoph M Schempp
No abstract text is available yet for this article.
November 1, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/27613297/dermoscopy-in-general-dermatology-a-practical-overview
#17
REVIEW
Enzo Errichetti, Giuseppe Stinco
Over the last few years, dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders. In this article, we sought to provide an up-to-date practical overview on the use of dermoscopy in general dermatology by analysing the dermoscopic differential diagnosis of relatively common dermatological disorders grouped according to their clinical presentation, i.e. dermatoses presenting with erythematous-desquamative patches/plaques (plaque psoriasis, eczematous dermatitis, pityriasis rosea, mycosis fungoides and subacute cutaneous lupus erythematosus), papulosquamous/papulokeratotic dermatoses (lichen planus, pityriasis rosea, papulosquamous sarcoidosis, guttate psoriasis, pityriasis lichenoides chronica, classical pityriasis rubra pilaris, porokeratosis, lymphomatoid papulosis, papulosquamous chronic GVHD, parakeratosis variegata, Grover disease, Darier disease and BRAF-inhibitor-induced acantholytic dyskeratosis), facial inflammatory skin diseases (rosacea, seborrheic dermatitis, discoid lupus erythematosus, sarcoidosis, cutaneous leishmaniasis, lupus vulgaris, granuloma faciale and demodicidosis), acquired keratodermas (chronic hand eczema, palmar psoriasis, keratoderma due to mycosis fungoides, keratoderma resulting from pityriasis rubra pilaris, tinea manuum, palmar lichen planus and aquagenic palmar keratoderma), sclero-atrophic dermatoses (necrobiosis lipoidica, morphea and cutaneous lichen sclerosus), hypopigmented macular diseases (extragenital guttate lichen sclerosus, achromic pityriasis versicolor, guttate vitiligo, idiopathic guttate hypomelanosis, progressive macular hypomelanosis and postinflammatory hypopigmentations), hyperpigmented maculopapular diseases (pityriasis versicolor, lichen planus pigmentosus, Gougerot-Carteaud syndrome, Dowling-Degos disease, erythema ab igne, macular amyloidosis, lichen amyloidosus, friction melanosis, terra firma-forme dermatosis, urticaria pigmentosa and telangiectasia macularis eruptiva perstans), itchy papulonodular dermatoses (hypertrophic lichen planus, prurigo nodularis, nodular scabies and acquired perforating dermatosis), erythrodermas (due to psoriasis, atopic dermatitis, mycosis fungoides, pityriasis rubra pilaris and scabies), noninfectious balanitis (Zoon's plasma cell balanitis, psoriatic balanitis, seborrheic dermatitis and non-specific balanitis) and erythroplasia of Queyrat, inflammatory cicatricial alopecias (scalp discoid lupus erythematosus, lichen planopilaris, frontal fibrosing alopecia and folliculitis decalvans), nonscarring alopecias (alopecia areata, trichotillomania, androgenetic alopecia and telogen effluvium) and scaling disorders of the scalp (tinea capitis, scalp psoriasis, seborrheic dermatitis and pityriasis amiantacea)...
December 2016: Dermatology and Therapy
https://www.readbyqxmd.com/read/27512362/photosensitive-pityriasis-rubra-pilaris
#18
Kaja Męcińska-Jundziłł, Agnieszka Białecka, Urszula Adamska, Ewa Skrzeczko-Kwela, Rafał Czajkowski
No abstract text is available yet for this article.
June 2016: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/27504295/clinicopathological-study-of-non-infectious-erythaematous-papulosquamous-skin-diseases
#19
Sushma Hosamane, Muktha Pai, Thoppil Reba Philipose, Umaru Nayarmoole
INTRODUCTION: Papulosquamous diseases are characterized by scaly papules and plaques with similar clinical picture which amounts to confusion and hence, a definitive histopathological diagnosis goes a long way in treatment of such diseases. AIM: The aim of the study was to study the histomorphology of non-infectious, erythaematous, papulosquamous lesions of skin with clinicopathological correlation. MATERIALS AND METHODS: Skin biopsies from 150 clinically diagnosed/suspected non-infectious erythaematous, papulosquamous skin diseases were received in the Department of Pathology...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27365893/bevacizumab-induced-pityriasis-rubra-pilaris-like-eruption
#20
Shannon Brown, J Wesley Fletcher, Katherine H Fiala
Pityriasis rubra pilaris is a rare inflammatory disorder characterized by follicular papules on an erythematous base often exhibiting islands of unaffected skin, follicular plugging, and palmoplantar hyperkeratosis. While vitamin A deficiency and autoimmune reactions have been hypothesized as possible etiologies of this condition, pityriasis rubra pilaris-like eruptions secondary to medications are extremely rare. To our knowledge, only three other cases have been reported, and pityriasis rubra pilaris has never been reported in association with bevacizumab...
July 2016: Proceedings of the Baylor University Medical Center
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