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https://www.readbyqxmd.com/read/27846744/a-case-of-rheumatoid-vasculitis-with-acquired-reactive-perforating-collagenosis
#1
Takaharu Ikeda, Naoya Mikita, Fukumi Furukawa, Yoshifumi Iwahashi
A 55-year-old man with rheumatoid arthritis presented hyperkeratotic erythematous papules with crusts or blisters on his limbs and buttocks. A histological study showed acquired reactive perforating collagenosis. Soon, skin lesions changed to umbilicated lesions with black necrosis, and the scar from his skin biopsy ulcerated with induration due to rheumatoid vasculitis. Systemic corticosteroids and tacrolimus administration resolved the rheumatoid arthritis and skin lesions. Rheumatoid vasculitis with acquired reactive perforating collagenosis has not been reported previously...
November 16, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27772846/diffuse-collagenosis-of-the-gastrointestinal-tract-a-clinicopathological-study-of-10-cases
#2
Carrie Gallivan, Ian Brown, Namrata Setia, Christophe Rosty, Gregory Y Lauwers
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27747306/chemotherapeutic-efficacy-of-phosphodiesterase-inhibitors-in-chagasic-cardiomyopathy
#3
Jian-Jun Wen, Xianxiu Wan, John Thacker, Nisha Jain Garg
BACKGROUND: Chagasic cardiomyopathy (CCM) caused by Trypanosoma cruzi (Tc) infection is prevalent in Latin America and recognized as an emerging infectious heart disease in the US. The NO-cGMP-PKG1α pathway maintains cardiac homeostasis and inotropy and may be disturbed due to phosphodiesterase (PDE5) mediated cGMP catabolism in CCM. METHODS AND RESULTS: C57BL/6 mice were infected with Tc, and at the end of acute parasitemia (i.e. 45 days post-infection), treated with sildenafil (SIL, 1 mg/kg) twice per week for 3 weeks...
June 2016: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/27472707/acquired-reactive-perforating-collagenosis-a-report-of-a-typical-case
#4
Chengwen Fei, Yao Wang, Yu Gong, Hui Xu, Qian Yu, Yuling Shi
BACKGROUND: Reactive perforating collagenosis (RPC) is a rare form of transepithelial elimination, in which altered collagen is extruded through the epidermis. There are 2 types of RPC, acquired RPC (ARPC) and inherited RPC, while the latter is extremely rare. Here we report on 1 case of ARPC. METHODS: A 73-year-old female was presented with strongly itchy papules over her back and lower limbs for 3 months. She denied the history of oozing or vesiculation. A cutaneous examination showed diffusely distributed multiple well-defined keratotic papules, 4 to 10 mm in diameter, on the bilateral lower limbs and back as well as a few papules on her chest and forearm...
July 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27446602/standards-for-the-assessment-of-salivary-glands-an-update
#5
REVIEW
Piotr Zajkowski, Aleksandra Ochal-Choińska
The paper is an update of 2011 Standards for Ultrasound Assessment of Salivary Glands, which were developed by the Polish Ultrasound Society. We have described current ultrasound technical requirements, assessment and measurement techniques as well as guidelines for ultrasound description. We have also discussed an ultrasound image of normal salivary glands as well as the most important pathologies, such as inflammation, sialosis, collagenosis, injuries and proliferative processes, with particular emphasis on lesions indicating high risk of malignancy...
June 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/27349060/-use-of-hyaluronic-acid-alone-and-combined-with-argentic-sulphadiazine-in-reactive-perforating-collagenosis-a-case-report
#6
Miguel Mauricio Cano Cerro, Eva María Jiménez Fornés, María José Fabrich Lloret, Ovidio Gans Cuenca, Mara Redón Martínez, Elena Sales Molió
The dermatosis known since reactive perforating collagenosis (RPC) is an injury that is characterized by the transepidermal elimination of the collagen. Two forms of presentation exist: the inherited one and the acquired one. The acquired form appears in the adult age, principally in diabetics with renal chronic insufficiency. The hyaluronic acid is a glycosaminoglycan of high place molecular weight that is synthesized in the system vacuolar of the fibroblasts and other cells, since they are the keratinocytes, with help of the factors of growth and in other cytokines...
April 2016: Revista de Enfermería
https://www.readbyqxmd.com/read/27057507/reactive-perforating-collagenosis
#7
Sandeep Arora, Ajay Malik, Anil Balki
No abstract text is available yet for this article.
March 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27051818/giant-acquired-reactive-perforating-collagenosis-in-a-patient-with-diabetes-mellitus-and-metastatic-breast-carcinoma
#8
Randie H Kim, Maryann Kwa, Sylvia Adams, Shane A Meehan, Jennifer A Stein
No abstract text is available yet for this article.
January 2016: JAAD Case Reports
https://www.readbyqxmd.com/read/26833778/acquired-reactive-perforating-collagenosis-and-pseudoporphyric-bullous-dermatosis-in-a-hemodialysis-patient
#9
Nikos Sabanis, Eleni Paschou, Eleni Gavriilaki, Asterios Kalaitzoglou, Dimitrios Papanikolaou, Sotiris Vasileiou, Ioannis Amplianitis
Hemodialysis patients present with a broad spectrum of specific and nonspecific skin disorders, which rarely coexist. We report an exceptional case of a hemodialysis patient that developed acquired reactive perforating collagenosis and pseudoporphyric bullous dermatosis on the basis of common skin disorders which include hyperpigmentation, pruritus, xerosis cutis, and Linsday's nails. Interestingly, our patient presented with two unusual but distinctive cutaneous dermopathies on the background of other commonly seen skin alterations...
February 2, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/26114057/dermoscopic-findings-in-a-case-of-reactive-perforating-collagenosis
#10
Payapvipapong Kittisak, Masaru Tanaka
No abstract text is available yet for this article.
April 2015: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/26016976/a-case-of-perforating-folliculitis-in-association-with-antisynthetase-syndrome
#11
K C Shaw, J R Kaley, M D Darling, J W Patterson, A A Chokoeva, T Lotti, U Wollina, G Tchernev
Perforating folliculitis (PF) describes the process by which altered dermal material is eliminated from the epidermis through a follicular unit resulting in keratotic, follicular papules that favor hair-bearing regions of the forearms, arms, buttocks, and thighs. Diabetes mellitus (DM) and chronic renal failure (CRF) are commonly associated with PF. The more general term, acquired perforating dermatosis, has been applied to PF as well as Kyrle’s disease and the non-inherited form of perforating collagenosis...
January 2015: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/25610206/acquired-reactive-perforating-collagenosis
#12
Arzu Ataseven, Serra Kayacetin
Acquired reactive perforating collagenosis (ARPC) is commonly recognized as an unusual skin reaction to superficial trauma that is observed in patients with a certain genetic predisposition or underlying diseases, such as diabetes mellitus or renal diseases. We present the unusual case of a 55-year-old female diabetic patient with numerous characteristic dome-shaped nodules, which consisted of central umbilication containing firm keratotic plugs.
April 2012: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/25534370/morphologic-changes-of-cerebral-veins-in-hypertensive-rats-venous-collagenosis-is-associated-with-hypertension
#13
Min Zhou, Lijuan Mao, Ying Wang, Qian Wang, Zhiyun Yang, Shurong Li, Ling Li
BACKGROUND: The aims of this study were to determine whether arterial hypertension could affect the venous system of brain and to find out the consequent pathologic changes of cerebral veins. METHODS: Thirty male Sprague-Dawley rats were divided into 2 groups: a sham-clipped group and a stroke-prone renovascular hypertensive rat group. A 2-kidney 2-clip rat model was used to induce renovascular hypertension in the hypertensive group. Systolic blood pressure was measured by tail cuff once each week...
March 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/25532568/adult-onset-still-s-disease-with-disseminated-intravascular-coagulation-and-hemophagocytic-syndrome-a-case-report
#14
Tetsuhiko Mimura, Masanori Shimodaira, Minoru Kibata, Akihiro Tsukadaira, Kumiko Shirahata
BACKGROUND: Adult-onset Still's disease is a rare inflammatory condition of unknown origin characterized by high spiking fever, arthralgia, arthritis, myalgia, salmon-colored evanescent rash, and hepatosplenomegaly. The diagnosis of adult-onset Still's disease requires the exclusion of other possible disorders because it lacks specific clinical and histopathological findings. Adult-onset Still's disease rarely become fatal due to visceral involvements such as disseminated intravascular coagulation...
2014: BMC Research Notes
https://www.readbyqxmd.com/read/25291860/role-of-mast-cells-in-skin-tag-development-an-immunohistochemical-study
#15
Asmaa Gaber Abdou, Alaa Hassan Maraee, Azza Gaber Antar, Shimaa Fareed
OBJECTIVE: To detect mast cell density by toluidine blue and immunohistochemical staining for mast cell tryptase in skin tags as compared to normal skin to determine whether they have a role in skin tag development. STUDY DESIGN: This study was carried out on 30 patients with skin tags and 10 age- and sex-matched healthy controls without skin tags. RESULTS: There was a significant difference between skin tag and control groups regarding mast cell density evaluated by toluidine blue staining (p = 0...
August 2014: Analytical and Quantitative Cytopathology and Histopathology
https://www.readbyqxmd.com/read/25071553/increased-visibility-of-deep-medullary-veins-in-leukoaraiosis-a-3-t-mri-study
#16
Shenqiang Yan, Jinping Wan, Xuting Zhang, Lusha Tong, Song Zhao, Jianzhong Sun, Yuehan Lin, Chunhong Shen, Min Lou
Cerebral venous collagenosis has been implicated in leading to white matter hyperintensities (WMHs) via venous ischemia. We sought to determine whether cerebral venous dilation or ischemia correlate with the severity of WMHs by quantitative in vivo imaging techniques. This was an investigator-initiated prospective single-center study. We reviewed clinical, laboratory data from 158 consecutive WMHs patients and 50 controls, and measured the number of voxels of deep medullary veins (DMVs) on susceptibility-weighted image and assessed the WMH volume (as a marker of the severity of WMHs) on a 3-T magnetic resonance system...
2014: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/25042386/pseudoperforation-an-uncommon-histologic-phenomenon-in-prurigo-misleading-for-the-diagnosis-of-reactive-perforating-collagenosis
#17
Mohamed El-Khalawany, Wael Saudi, Abeer Kamel, Sameh Fawzy, Hatem Hassan
Prurigo is a common skin condition characterized by vigorous scratching. Although ulceration is not uncommon in prurigo, a perforating-like lesion was not previously reported. In this study we described series of cases of prurigo with perforating-like lesions and discussed its relation to acquired perforating dermatoses. The study included 32 cases, during the period from 2008 to 2013. Clinical data and histological features were recorded and analyzed. The study included 78.1% males and 21.9% females with a mean age of 39...
December 2014: Pathology, Research and Practice
https://www.readbyqxmd.com/read/24972749/-gender-specific-differences-in-capillaroscopy-in-healthy-persons-and-patients-with-inflammatory-rheumatic-diseases
#18
REVIEW
J G Richter, P Klein-Weigel, R Brinks, M Schneider, O Sander
BACKGROUND: Capillaroscopy is an established tool to assess morphological and functional findings of the microcirculation which have a confirmed association with disease activity and damage of inflammatory rheumatic diseases, especially systemic sclerosis. Hairpin-shaped capillaries with normal density predict a very low risk for collagenosis. METHODS: Own databases were evaluated with respect to the topic of the manuscript and the current literature was evaluated...
September 2014: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/24945640/cantharidin-a-comprehensive-review-of-the-clinical-literature
#19
REVIEW
Richard Torbeck, Michael Pan, Ellen DeMoll, Jacob Levitt
BACKGROUND: Cantharidin is a topical vesicant that causes intraepidermal acantholysis with clinical application that includes the removal of warts, molluscum contagiosum (MC), calluses, and acquired perforating dermatoses. OBJECTIVE: To provide a comprehensive literature review of the efficacy and safety of cantharidin in the management of various cutaneous conditions. METHODS: A PubMed search was conducted using the term "cantharidin" combined with "warts", "plantar warts", "verruca vulgaris", "periungal", "subungual", "topical treatment", "topical therapy for warts", molluscum contagiosum", "perforating collagenosis," and "acantholysis...
June 2014: Dermatology Online Journal
https://www.readbyqxmd.com/read/24891662/familial-reactive-perforating-collagenosis-a-report-of-two-cases
#20
Varadraj V Pai, Kikkeri Narayanshetty Naveen, Sharatchandra Bhimrao Athanikar, Dinesh Udupi Shastri, Vijetha Rai
Reactive perforating collagenosis (RPC) is a rare form of transepithelial elimination, in which genetically altered collagen is extruded through the epidermis. Of the acquired and inherited form, inherited form is extremely rare. Here, we present two cases of inherited form of RPC in a family.
May 2014: Indian Journal of Dermatology
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