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Keratosis pilaris

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https://www.readbyqxmd.com/read/28345255/lichenoid-folliculitis-a-unifying-concept
#1
Mamina M Turegano, Leonard C Sperling
Skin diseases presenting with keratotic papules, atrophy, cicatricial alopecia, and/or "lichenoid" histopathologic changes have been described under at least 30 names. This family of diseases contains two subgroups, largely based on clinical features: keratosis pilaris atrophicans (KPA; including keratosis pilaris atrophicans faciei/ulerythema ophryogenes, atrophoderma vermiculata , and keratosis follicularis spinulosa decalvans); and the lichen planopilaris (LPP) subgroup (including LPP, frontal fibrosing alopecia, Graham-Little-Piccardi-Lassueur Syndrome, and fibrosing alopecia in a pattern distribution)...
March 26, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28070082/evaluation-of-structural-isomers-molecular-interactions-reactivity-descriptors-and-vibrational-analysis-of-tretinoin
#2
T Karthick, Poonam Tandon, Swapnil Singh
Tretinoin is known to be a pharmaceutical drug for treating acne vulgaris, keratosis pilaris, and acute promyelocytic leukemia. In order to reveal the possible conformers of tretinoin, the energies of all the conformers through rotational bonds have been evaluated by systematic rotor search analysis. The intramolecular interactions ranging from strong hydrogen bonds to weak van der Waals forces present in tretinoin have been distinguished with the help of electron density mapping and wavefunction analysis. The global reactivity descriptors and Fukui functions of tretinoin have been calculated and discussed...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28008647/palmoplantar-keratoderma-in-costello-syndrome-responsive-to-acitretin
#3
Nareh V Marukian, Jonathan L Levinsohn, Brittany G Craiglow, Leonard M Milstone, Keith A Choate
Costello syndrome (CS) is a multisystem congenital disorder characterized by coarse facial features, cardiac defects, intellectual disability, and predisposition to malignancies. Dermatologic findings can include cutaneous papillomas, skin redundancy, acanthosis nigricans, and keratosis pilaris. Palmoplantar keratoderma (PPK) is present in approximately 76% of patients with CS, with disabling functional consequences in severe cases. We report a case of CS with severe PPK that improved dramatically with systemic administration of acitretin 0...
March 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/27617940/nilontinib-induced-keratosis-pilaris-atrophicans
#4
Shilpi Khetarpal, Apra Sood, Steven D Billings
Keratosis pilaris (KP) is a disorder of follicular keratinization that is characterized by keratin plugs in the hair follicles with surrounding erythema. A 46-year-old man with chronic myelogenous leukemia (CML) was started on nilotinib, a second generation tyrosine kinase inhibitor (TKI). Two months later the patient noticed red bumps on the skin and patchy hair loss on the arms, chest, shoulders, back, and legs. Cutaneous reactions to nilotinib are the most frequent non-hematologic adverse effects reported...
August 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/27512206/co-occurrence-of-erythrosis-pigmentosa-mediofacialis-and-erythromelanosis-follicularis-faciei-et-colli-associated-with-keratosis-pilaris-in-an-adolescent-female
#5
Sarita Kalwaniya, Manjaree Morgaonkar, Savera Gupta, Suresh Kumar Jain
Erythromelanosis follicularis faciei et colli (EFFC) is a rare disease characterized by a triad of reddish-brown pigmentation, erythema and follicular papules localized on face and neck and is usually described in males. Erythrosis pigmentosa mediofacialis (also known as Brocq or erythrosis pigmentosa peribuccalis) is a similar disorder of the mediofacial area but with female predominance. We report a case of simultaneous occurrence of erythrosis pigmentosa peribuccalis and EFFC associated with keratosis pilaris in an adolescent female...
July 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27339777/clinical-and-molecular-characterization-of-two-patients-with-palmoplantar-keratoderma-congenital-alopecia-syndrome-type-2
#6
M Castori, S Morlino, M E Sana, M Paradisi, G Tadini, A Angioni, M Malacarne, P Grammatico, M Iascone, F Forzano
Palmoplantar keratoderma-congenital alopecia (PPKCA) syndrome is a rare genodermatosis, with two clinically recognizable forms: dominant (Type 1) and recessive (Type 2). Reports of only 18 patients have been published to date, and the molecular basis of the condition is unknown. We describe two cases with PPKCA Type 2 (PPKCA2), comprising a novel patient, originally reported as an example of autosomal ichthyosis follicularis-atrichia-photophobia syndrome, and the 6-year follow-up of a previously published case...
August 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27293252/erythromelanosis-follicularis-faciei-et-colli-a-cross-sectional-descriptive-study
#7
Shagufta Rather, Atiya Yaseen, Mani Mukhija
BACKGROUND: Erythromelanosis follicularis faciei et colli (EFFC) has always been reported as a rare disorder, and more data are needed to define its etiology and epidemiology. OBJECTIVES: To present a descriptive study of this disorder from Kashmir and present a review of literature on the same. MATERIALS AND METHODS: A cross-sectional, descriptive study was conducted on 14 patients with clinical lesions suggestive of EFFC, presenting to our dermatology outpatient clinic between May 2013 and April 2015...
May 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27282957/successful-treatment-of-keratosis-pilaris-rubra-with-pulsed-dye-laser
#8
Jennifer J Schoch, Megha M Tollefson, Patricia Witman, Dawn M R Davis
BACKGROUND: Keratosis pilaris rubra is a common but rarely reported condition characterized by follicular-based hyperkeratotic papules on a background of erythema. It can be embarrassing and symptomatic for patients, particularly adolescent boys. We sought to explore the efficacy of pulsed dye laser (PDL) in the treatment of keratosis pilaris rubra. METHODS: Eight patients were treated with PDL for keratosis pilaris rubra. RESULTS: All patients reported noticeable improvement after one to four treatments...
July 2016: Pediatric Dermatology
https://www.readbyqxmd.com/read/27247936/fractional-carbon-dioxide-laser-for-keratosis-pilaris-a-single-blind-randomized-comparative-study
#9
RANDOMIZED CONTROLLED TRIAL
Vasanop Vachiramon, Pattarin Anusaksathien, Silada Kanokrungsee, Kumutnart Chanprapaph
Objective. Keratosis pilaris (KP) is a common condition which can frequently be cosmetically disturbing. Topical treatments can be used with limited efficacy. The objective of this study is to evaluate the effectiveness and safety of fractional carbon dioxide (CO2) laser for the treatment of KP. Patients and Methods. A prospective, randomized, single-blinded, intraindividual comparative study was conducted on adult patients with KP. A single session of fractional CO2 laser was performed to one side of arm whereas the contralateral side served as control...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27245278/new-insights-into-folliculotropic-mycosis-fungoides-fmf-a-single-center-experience
#10
Emmilia Hodak, Iris Amitay-Laish, Lihi Atzmony, Hadas Prag-Naveh, Natalia Yanichkin, Aviv Barzilai, Ruben Kershenovich, Meora Feinmesser
BACKGROUND: It is generally accepted that folliculotropic mycosis fungoides (FMF) is usually typified by indurated plaques and tumors mainly on the head/neck and an aggressive course. However, its clinical manifestations have long been recognized to be quite variable, and some studies indicate a better prognosis for certain presentations. OBJECTIVE: We sought to summarize our experience with the clinicopathological presentations of FMF and impact on prognosis. METHODS: Data were collected retrospectively for adults with FMF followed up prospectively at a tertiary medical center in 1995 through 2014...
August 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27194977/nilotinib-induced-keratosis-pilaris
#11
Wai Mun Sean Leong, Chen Wee Derrick Aw
Nilotinib is a second-generation Bcr-Abl tyrosine kinase inhibitor (TKI) that is approved for the treatment of imatinib-resistant chronic myeloid leukaemia expressing the Bcr-Abl mutation. Cutaneous adverse drug reactions occur more frequently in patients using this medication. We present a case of nilotinib-induced keratosis pilaris that did not have accompanying symptoms of alopecia or pruritus. Greater recognition of this association is needed so that appropriate treatment can be instituted to ensure a good oncologic outcome...
January 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/27172696/-pityriasis-rubra-pilaris
#12
Sandrine Quenan, Emmanuel Laffitte
Pityriasis rubra pilaris is a rare heterogeneous disorder characterized by follicular keratosis, perifollicular erythema and palmoplantar hyperkeratosis. The aetiology is still unknown. In the majority of cases some triggering factors are found such as trauma or bacterial infection, possibly on a predisposed condition. In other cases, some immunological disorders are associated, and in familial cases a genetic disorder of keratinization has been suggested. The evolution is variable according to the clinical type...
March 30, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/27127371/trichostasis-spinulosa-an-unusual-diagnosis-presenting-as-a-double-lower-eyelid
#13
Arunava Kundu, Tamalika Kundu, Sonia Gon
Trichostasis spinulosa (TS) is a relatively common but underdiagnosed disorder of the pilosebaceous follicles in which there is follicular hyperkeratosis of a dilated hair follicle with retention of telogen hairs. Clinical presentation of this disorder can be confused with comedogenic acne, keratosis pilaris, eruptive vellus hair cysts, and Favre-Racouchot syndrome. A case of a nonpruritic variant of TS in a 16-year-old boy is reported because of its unusual location as well as presentation in the lower eyelid, giving an appearance of a double eyelid...
January 2016: International Journal of Trichology
https://www.readbyqxmd.com/read/27015783/when-acne-is-not-acne
#14
REVIEW
James Q Del Rosso, Nanette Silverberg, Joshua A Zeichner
Acne vulgaris (AV) is considered a straightforward diagnosis made clinically without specific diagnostic testing. However, certain disorders may simulate AV, such as multiple small epidermal cysts or deep milia, multiple osteoma cutis, multiple small adnexal neoplasms, and follicular and/or infections characterized by multiple small papules and/or pustules such as gram-positive folliculitis, gram-negative folliculitis, Malassezia folliculitis, keratosis pilaris, and flat warts. This can lead to an erroneous diagnosis and improper management...
April 2016: Dermatologic Clinics
https://www.readbyqxmd.com/read/27007831/association-of-the-chromosome-11p13-5-variant-and-atopic-dermatitis-with-a-family-history-of-atopy-in-the-chinese-han-population
#15
Fang Cheng, Jin-Hua Zhao, Xian-Fa Tang, Hui Cheng, Yu-Jun Sheng, Xiao-Yun Jiang, Ling Fang, Xiao-Guang Zhang, Xian-Bo Zuo, Xiao-Dong Zheng, Fu-Sheng Zhou, Hua-Yang Tang, Sen Yang, Feng-Li Xiao, Xue-Jun Zhang
BACKGROUND: Recent genome-wide association studies (GWAS) and a meta-analysis of GWAS for atopic dermatitis (AD) have identified some AD genetic loci in European and Japanese populations. OBJECTIVE: To investigate whether some novel susceptibility loci are associated with AD in the Chinese Han population. METHODS: We first selected eight novel susceptibility loci to replicate in 2,205 AD patients and 2,116 healthy controls using the Sequenom platform...
June 2016: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/26352467/unique-cutaneous-reaction-to-second-and-third-generation-tyrosine-kinase-inhibitors-for-chronic-myeloid-leukemia
#16
Anisha B Patel, Alvin R Solomon, Michael J Mauro, Benjamin D Ehst
BACKGROUND: Recently developed tyrosine kinase inhibitors (TKIs) offer first-line alternatives to patients with chronic myeloid leukemia. While these medications are generally well tolerated, cutaneous reactions occur frequently and can present a management challenge. We describe a newly recognized skin reaction to dasatinib and nilotinib and extend it to the newer agent ponatinib. OBSERVATIONS: Nine patients developed varying degrees of a clinically and histopathologically lichenoid exanthem comprised of erythematous, predominately follicular papules with scale and alopecia...
2016: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/26158366/a-case-of-graham-little-piccardi-lasseur-syndrome
#17
Ahu Yorulmaz, Ferda Artuz, Olcay Er, Servet Guresci
Graham-Little-Piccardi-Lasseur Syndrome (GLPLS) is a variant of lichen planopilaris, which is characterized by progressive cicatricial alopecia of scalp, non-cicatricial alopecia of axillae and pubic regions, and keratosis pilaris-like follicular papules over trunk and extremities. GLPLS is a disease of unknown etiology. However, recent reports support a central role for a T-cell-mediated immune response in the pathogenesis of GLPLS. Besides, although GLPLS is believed to occur sporadically, a genetic predisposition also has been implicated in the pathogenesis...
June 2015: Dermatology Online Journal
https://www.readbyqxmd.com/read/26142438/whole-exome-sequencing-identifies-lrp1-as-a-pathogenic-gene-in-autosomal-recessive-keratosis-pilaris-atrophicans
#18
Joakim Klar, Jens Schuster, Tahir Naeem Khan, Muhammad Jameel, Katrin Mäbert, Lars Forsberg, Shehla Anjum Baig, Shahid Mahmood Baig, Niklas Dahl
BACKGROUND: Keratosis pilaris atrophicans (KPA) is a group of rare genodermatoses characterised by perifollicular keratosis and inflammation that progresses to atrophy and scars of the facial skin. Keratosis pilaris of extensor areas of limbs is a common associated finding. Most cases with KPA are sporadic and no consistent inheritance pattern has been documented. METHODS: A large consanguineous Pakistani pedigree segregating autosomal recessive KPA of a mixed type was subject to autozygosity mapping and whole exome sequencing...
September 2015: Journal of Medical Genetics
https://www.readbyqxmd.com/read/25969677/ustekinumab-as-an-alternative-treatment-option-for-chronic-pityriasis-rubra-pilaris
#19
Mudit Chowdhary, Ulysses Davila, David J Cohen
Pityriasis rubra pilaris (PRP) is an exceptionally rare, chronic inflammatory dermatosis of unknown etiology. Patients classically present with small, follicular keratosis and salmon-colored plaques that begin at the head and neck and slowly progress to widespread erythroderma including the palms and soles. It is difficult to distinguish PRP from other inflammatory dermatoses; however, features that help aid in the diagnosis include 'islands' of spared skin, orangish hue and typical findings on biopsy. There are no specific guidelines on therapy and treatment options include corticosteroids, vitamin D analogs, retinoids, methotrexate, cyclosporine, azathioprine and tumor necrosis factor alpha antagonists...
January 2015: Case Reports in Dermatology
https://www.readbyqxmd.com/read/25802513/epidermal-permeability-barrier-in-the-treatment-of-keratosis-pilaris
#20
Tanawatt Kootiratrakarn, Kowit Kampirapap, Chakkrapong Chunhasewee
Objectives. To evaluate and compare the efficacy, safety, hydrating properties, and tolerability of 10% lactic acid (LA) and 5% salicylic acid (SA) in the therapy of keratosis pilaris (KP). Material and Method. Patients with KP were randomized for treatment with either 10% LA or 5% SA creams being applied twice daily for 3 months. The patients were clinically assessed at baseline and after 4, 8, and 12 weeks of treatment and 4 weeks after treatment. The functional properties of the stratum corneum (SC) were determined before treatment, 12 weeks, and follow-up phase by high-frequency conductance and transepidermal water loss (TEWL)...
2015: Dermatology Research and Practice
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