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https://www.readbyqxmd.com/read/29469789/paquidermodactilia-engrosamiento-digital-proximal-pachydermodactyly-digital-proximal-thickening
#1
Israel Pérez-López, Antonio Martínez-López, Juan Antonio Retamero, Francisco Gallo, Salvador Arias-Santiago
We report a case of pachydermodactyly (PDD). PDD is a benign, asymptomatic soft tissue swelling affecting the skin of the lateral aspects of the proximal interphalangeal joints of the fingers, mostly in young adolescent males. It has often been interpreted as a consequence of tic-like behavior as part of an obsessive-compulsive disorder. Although the diagnosis is essentially clinical, skin biopsy shows compact orthokeratotic hyperkeratosis, increased numbers of collagen fibers and fibroblasts, and no inflammatory changes...
October 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29469003/risk-factors-of-teat-end-hyperkeratosis-and-its-association-with-udder-health-in-dairy-ewes
#2
Sotiria Vouraki, Athanasios I Gelasakis, Ian J Rose, Georgios Arsenos
No abstract text is available yet for this article.
February 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29465610/col6a-and-lama2-mutation-congenital-muscular-dystrophy-a-clinical-and-electrophysiological-study
#3
Sumit Verma, Parul Goyal, Lokesh Guglani, Charlotte Peinhardt, Diane Pelzek, Paul E Barkhaus
OBJECTIVES: COL6A and LAMA2 are subtypes of congenital muscular dystrophy. METHODS: Retrospective chart review of clinical findings, spirometry, muscle histology, muscle ultrasound, neuroimaging, and Electromyography (EMG)/Nerve Conduction Study data in genetically confirmed COL6A and LAMA2 subjects. RESULTS: We identified 8 COL6A and 6 LAMA2 subjects: the female-to-male ratio was 1.3:1 and the mean age was 11.9 ± 3.6 years. Gross motor delays since birth, proximal muscle weakness, and contractures were noted in both groups...
March 2018: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/29460718/cutaneous-dermatophilosis-in-a-meadow-jumping-mouse-zapus-hudsonius
#4
Tyler J Caron, Stephen C Artim, William J Israelsen, Hilda R Holcombe, James G Fox, Vasudevan Bakthavatchalu
A laboratory-housed, wild-caught, subadult, male meadow jumping mouse (Zapus hudsonius) presented with extensive scaling of the face, limbs, and tail and severe edema of the paws. Postmortem examination revealed marked distal limb edema with focal digital hematomas and white scales, scabs, and crusts affecting the majority of nonhaired skin. Histopathologic analysis revealed severe, multifocal, chronic-active exudative and proliferative dermatitis characterized by multilaminated crusts covering the epidermis...
February 1, 2018: Comparative Medicine
https://www.readbyqxmd.com/read/29457018/nail-changes-in-early-mycosis-fungoides
#5
Amir Hooshang Ehsani, Maryam Nasimi, Arghavan Azizpour, Pedram Noormohammadpoor, Kambiz Kamyab, Hasan Seirafi, Mojghan Noori
Background: Mycosis fungoides (MF) has a wide range of clinical presentations and it has been reported rarely to involve the nail apparatus. Objective: We intended to evaluate the frequency and characteristics of nail changes in patients with biopsy-proven MF. Methods: A retrospective analysis of 60 patients with MF who were evaluated at our cancer center from 2013 to 2014 was performed to identify patients with nail changes. Histological examinations of the skin around the nail apparatus were obtained from 10 patients with periungual skin erythema and scaling...
January 2018: Skin Appendage Disorders
https://www.readbyqxmd.com/read/29456721/combined-treatment-with-d-allose-docetaxel-and-radiation-inhibits-the-tumor-growth-in-an-in-vivo-model-of-head-and-neck-cancer
#6
Hiroshi Hoshikawa, Kazuyo Kamitori, Kanako Indo, Terushige Mori, Mizuna Kamata, Tomoko Takahashi, Masaaki Tokuda
The present study was designed to evaluate the effect of one rare sugar, D-allose, on normal human cells and cutaneous tissue, and to investigate the radiosensitizing and chemosensitizing potential of D-allose in an in vivo model of head and neck cancer. Results indicated that D-allose did not inhibit the growth of normal human fibroblasts TIG-1 cells, and no apoptotic changes were observed after D-allose and D-glucose treatment. The mRNA expression levels of thioredoxin interacting protein (TXNIP) in TIG-1 cells after D-allose treatment increased by 2-fold (50...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29440855/circle-hairs-involving-the-extremities-in-a-young-girl
#7
Pragya Ashok Nair, Trusha Patel, Radhika Navadiya
Circle hairs (CHs) represent a body hair growth disorder which is characterized by asymptomatic presence of hairs in typical circular or spiraliform arrangement. It is not associated with follicular or inflammatory abnormalities. CHs are rarely reported, probably underestimated, as medical consultation for CH only is rare in practice. It needs to be differentiated from rolled hairs, which is a relatively common disorder of hair growth associated with follicular hyperkeratosis and keratin plugging. Trichoscopy is a noninvasive technique to confirm the diagnosis without biopsy...
January 2018: International Journal of Trichology
https://www.readbyqxmd.com/read/29436013/time-resolved-fluorescence-spectroscopy-for-the-diagnosis-of-oral-lichen-planus
#8
D Gorpas, P Davari, J Bec, M A Fung, L Marcu, D G Farwell, N Fazel
BACKGROUND: Lichen planus (LP) is a T-cell mediated autoimmune disorder of unknown aetiology that affects the skin, nails, oral and genital mucous membranes. Conventionally, oral LP (OLP) is diagnosed through clinical assessment and histopathological confirmation by oral biopsy. AIM: To explore the use of time-resolved fluorescence spectroscopy (TRFS) to detect fluorescence lifetime changes between lesional OLP and perilesional normal mucosa. METHODS: In this pilot study, measurements of lesional and perilesional buccal and mouth floor mucosa were conducted in vivo with a TRFS system...
February 13, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29422292/autoinflammatory-keratinization-diseases-an-emerging-concept-encompassing-various-inflammatory-keratinization-disorders-of-the-skin
#9
Masashi Akiyama, Takuya Takeichi, John A McGrath, Kazumitsu Sugiura
Classifying inflammatory skin diseases is challenging, especially for the expanding group of disorders triggered by genetic factors resulting in hyperactivated innate immunity that result in overlapping patterns of dermal and epidermal inflammation with hyperkeratosis. For such conditions, the umbrella term "autoinflammatory keratinization diseases" (AIKD) has been proposed. AIKD encompasses diseases with mixed pathomechanisms of autoinflammation and autoimmunity, and includes IL-36 receptor antagonist (IL-36Ra)-related pustulosis, CARD14-mediated pustular psoriasis, pityriasis rubra pilaris (PRP) type V, and familial keratosis lichenoides chronica (KLC)...
February 1, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29410039/autophagic-dysfunction-in-papillon-lef%C3%A3-vre-syndrome-is-restored-by-recombinant-cathepsin-c-treatment
#10
Pedro Bullón, Beatriz Castejón-Vega, Lourdes Román-Malo, María Paz Jimenez-Guerrero, David Cotán, Tamara Y Forbes-Hernandez, Alfonso Varela-López, Antonio Pérez-Pulido, Francesca Giampieri, José L Quiles, Maurizio Battino, José A Sánchez-Alcázar, Mario D Cordero
BACKGROUND: Cathepsin C (CatC) is a lysosomal enzyme involved in the activation of serine proteases from immune and inflammatory cells. Several mutations with loss of function in the Cathepsin C (CatC) gene have been shown to be the genetic mark of Papillon-Lefèvre syndrome (PLS), a rare autosomal recessive disease characterized by severe early-onset periodontitis, palmoplantar hyperkeratosis and increased susceptibility to infections. Deficiencies or dysfunction in other cathepsin family proteins such as B or D have been associated with autophagic and lysosomal disorders...
February 1, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29409918/horizontal-and-vertical-sections-of-scalp-biopsy-specimens-from-dermatomyositis-patients-with-scalp-involvement
#11
Julio Jasso-Olivares, José Manuel Diaz-Gonzalez, Mariya Miteva
BACKGROUND: The histologic findings of scalp involvement in dermatomyositis are not well characterized due to lack of large series. OBJECTIVE: To systematize the histologic features of scalp involvement in dermatomyositis on horizontal and vertical sections. MATERIALS AND METHODS: A descriptive, prospective, cross-sectional study recruited 31 patients with pathologically and serologically confirmed dermatomyositis in Mexico City from June 2014 to June 2015...
January 30, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29406384/reconstruction-of-defects-in-the-weight-bearing-plantar-area-using-the-innervated-free-medial-plantar-instep-flap
#12
Jonas Gustafsson Löfstrand, Chih-Hung Lin
BACKGROUND: Defects in the weight-bearing heel or forefoot are commonly derived from chronic wounds, acute trauma, or tumor excision. Reconstruction of such defects pose a significant challenge to provide a flap that is stable, durable, and sensate. Several flaps have been described for reconstruction of plantar defects, but recurrent ulcerations and/or the need of additional procedures are common. This article provides the approach and outcomes of innervated free medial plantar flap for weight-bearing plantar defects reconstruction...
March 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29397027/hereditary-palmoplantar-keratodermas-part-ii-syndromic-palmoplantar-keratodermas-diagnostic-algorithm-and-principles-of-therapy
#13
REVIEW
L Guerra, M Castori, B Didona, D Castiglia, G Zambruno
Hereditary palmoplantar keratodermas (PPKs) comprise a large and heterogeneous group of disorders characterized by persistent thickening of the epidermis at palmar and plantar surfaces. Clinical and genetic features of isolated and complex PPKs have been reviewed in part I of this 2-part review. Here we focus on clinical and molecular classification of syndromic PPKs which are recognized by additional extracutaneous manifestations, in particular deafness, specific mucosal lesions, cardiomyopathy, inborn errors of metabolism, involvement of internal organs or disorders of sexual development...
February 3, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29394966/factors-affecting-dermatological-manifestations-in-patients-with-end-stage-renal-disease
#14
Muhammad Anees, Ghazala Butt, Shaista Gull, Asif Nazeer, Ijaz Hussain, Muhammad Ibrahim
OBJECTIVE: To determine skin changes in patients of End Stage Renal Disease (ESRD) on maintenance hemodialysis (MHD) and factors affecting these changes. STUDY DESIGN: Cross-sectional observational study. PLACE AND DURATION OF STUDY: Nephrology Department, Mayo Hospital, Lahore in collaboration with Dermatology Department, King Edward Medical University, Lahore, from October 2015 to January 2016. METHODOLOGY: Two hundred patients who were undergoing MHD for more than three months were included in the study...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29384960/dabrafenib-plus-trametinib-for-compassionate-use-in-metastatic-melanoma-a-strobe-compliant-retrospective-observational-postauthorization-study
#15
Salvador Martín Algarra, Virtudes Soriano, Luis Fernández-Morales, Miguel-Ángel Berciano-Guerrero, Karmele Mujika, José Luis Manzano, Teresa Puértolas Hernández, Ainara Soria, Delvys Rodríguez-Abreu, Enrique Espinosa Arranz, Javier Medina Martínez, Ivan Márquez-Rodas, Jordi Rubió-Casadevall, María Eugenia Ortega, José Miguel Jurado García, María José Lecumberri Biurrun, Isabel Palacio, María Rodríguez de la Borbolla Artacho, Javier Pérez Altozano, Victoria Eugenia Castellón Rubio, Almudena García, Pablo Luna, Anabel Ballesteros, Ovidio Fernández, Jose Antonio López Martín, Alfonso Berrocal, Ana Arance
The main objective of the study was to evaluate the efficacy and safety of dabrafenib alone or combined with trametinib for compassionate use in patients with metastatic melanoma.This retrospective, observational study involved 135 patients with unresectable stage IIIC or stage IV melanoma from an expanded-access program at 30 Spanish centers.Forty-eight patients received dabrafenib monotherapy and 87 received combination dabrafenib and trametinib; 4.4% and 95.6% of the patients had stage IIIC and IV melanoma, respectively...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29382002/latent-scurvy-with-tiredness-and-leg-pain-in-alcoholics-an-underestimated-disease-three-case-reports
#16
Christine Lux-Battistelli, Daniel Battistelli
RATIONALE: Scurvy is often diagnosed at the state of well-established signs as, for example, skin and visceral purpura, gums involvement, loss of healthy teeth, which derive mostly from disturbance of collagen metabolism. Little is known about the state of latent scurvy, which symptoms are nonspecific and may mimic more common conditions such as weakness, leg pain, and muscle aching. PATIENT CONCERNS: We report 3 cases of extreme lassitude and leg pain in alcoholics...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29369100/successful-treatment-of-plantar-hyperkeratosis-in-the-form-of-recurrent-corns-with-split-thickness-sole-skin-graft
#17
Chi-Yu Wang, Chun-Kai Chang, Chang-Yi Chou, Chien-Ju Wu, Tzi-Shiang Chu, Hao-Yu Chiao, Chun-Yu Chen, Tim-Mo Chen, Yuan-Sheng Tzeng
INTRODUCTION: Plantar hyperkeratosis, such as corns and calluses, is common in older people and associated with pain, mobility impairment, and functional limitations. It usually develops on the palms, knees, or soles of feet, especially under the heels or balls. There are several treatment methods for plantar hyperkeratosis, such as salicylic acid plaster and scalpel debridement, and conservative modalities, such as using a shoe insert and properly fitting shoes. METHODS: We present an effective method of reconstructing the wound after corn excision using a split-thickness sole skin graft (STSSG)...
January 24, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29368845/cutaneous-lupus-erythematosus-clinico-pathologic-correlation
#18
Raffaele Filotico, Valentina Mastrandrea
Cutaneous lupus erythematosus (CLE) is a chronic-relapsing disease. It is defined as a LE localized to the skin without any significant systemic symptoms. Its annual incidence is of 4 cases per 100,000 persons with a prevalence of 73 cases per 100,000 persons. The etiology is unknown but it is considered as a prototype of autoimmune disease in which genetic factors (HLA), environmental factors (photo exposure and cigarette smoking) and pharmacological agents play an important role. The most accepted classification includes three clinical variants: acute (ACLE), subacute (SCLE) and chronic (CCLE)...
January 24, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29339444/light-hvem-signaling-in-keratinocytes-controls-development-of-dermatitis
#19
Rana Herro, Jr-Wen Shui, Sonja Zahner, Daniel Sidler, Yuko Kawakami, Toshiaki Kawakami, Koji Tamada, Mitchell Kronenberg, Michael Croft
Dermatitis is often associated with an allergic reaction characterized by excessive type 2 responses leading to epidermal acanthosis, hyperkeratosis, and dermal inflammation. Although factors like IL-4, IL-13, and thymic stromal lymphopoietin (TSLP) are thought to be instrumental for the development of this type of skin disorder, other cytokines may be critical. Here, we show that the tumor necrosis factor (TNF) superfamily protein LIGHT (homologous to lymphotoxin, exhibits inducible expression, and competes with HSV glycoprotein D for binding to HVEM, a receptor expressed on T lymphocytes) is required for experimental atopic dermatitis, and LIGHT directly controls keratinocyte hyperplasia, and production of periostin, a matricellular protein that contributes to the clinical features of atopic dermatitis as well as other skin diseases such as scleroderma...
February 5, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29337414/proliferative-leukoplakia-proposed-new-clinical-diagnostic-criteria
#20
Alessandro Villa, Reshma S Menon, Alexander R Kerr, Fabio De Abreu Alves, Andres Guollo, David Ojeda, Sook B Woo
OBJECTIVE: We aimed to characterize proliferative verrucous leukoplakia (PVL) from a clinical and histopathologic standpoint and suggest an updated classification. SUBJECTS AND METHODS: Records of patients seen at three oral medicine centers with a clinical diagnosis of PVL were reviewed for clinical and histopathologic features, and malignant transformation (MT). RESULTS: There were 42 patients (median age: 69 years [range:36-88]; 35 females)...
January 16, 2018: Oral Diseases
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