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https://www.readbyqxmd.com/read/27911979/clinicopathological-features-and-clinical-outcomes-associated-with-tp53-and-braf-n-on-v-600-mutations-in-cutaneous-melanoma-patients
#1
Dae Won Kim, Lauren E Haydu, Aron Y Joon, Roland L Bassett, Alan E Siroy, Michael T Tetzlaff, Mark J Routbort, Rodabe N Amaria, Jennifer A Wargo, Jennifer L McQuade, Jan Kemnade, Patrick Hwu, Scott E Woodman, Jason Roszik, Kevin B Kim, Jeffrey E Gershenwald, Alexander J Lazar, Michael A Davies
BACKGROUND: BRAF(V600) , NRAS, TP53, and BRAF(Non-V600) are among the most common mutations detected in non-acral cutaneous melanoma patients. Although several studies have identified clinical and pathological features associated with BRAF(V600) and NRAS mutations, limited data are available regarding the correlates and significance of TP53 and BRAF(Non-V600) mutations. METHODS: This study analyzed the patient demographics, primary tumor features, and clinical outcomes of a large cohort of non-acral cutaneous melanoma patients who had undergone clinically indicated molecular testing (n = 926)...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27902811/topical-diphencyprone-immunotherapy-for-painful-nodular-acral-recurrence-of-kaposi-sarcoma
#2
Calogero Pagliarello, Ignazio Stanganelli, Giuseppe Fabrizi, Claudio Feliciani, Sergio Di Nuzzo
No abstract text is available yet for this article.
November 30, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/27885347/fludarabine-treatment-of-patient-with-chronic-lymphocytic-leukemia-induces-a-digital-ischemia
#3
Utku Erdem Soyaltin, Deniz Yuce Yildirim, Mustafa Yildirim, Mehmet Can Ugur, Ferhat Ekinci, Cengiz Ceylan, Harun Akar
We report a 63-year-old man with a history of chronic lymphocytic leukemia (CLL) who presented with asymmetrical Raynaud's phenomenon of sudden onset which progressed to acral gangrene rapidly in a week. These symptoms began approximately one week after the fourth cycle of fludarabine and cyclophosphamide chemotherapy and were accompanied by pain, numbness, and cyanosis in the fingers of his right hand except the first finger. Fludarabine may play a role in acral vascular syndrome. The treatment with fludarabine in patients with evolving digital ischemia should be carried out with caution...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27883956/efficacy-of-braf-inhibitors-in-asian-metastatic-melanoma-patients-potential-implications-of-genomic-sequencing-in-braf-mutated-melanoma
#4
Hee Kyung Kim, Sunyoung Lee, Kyung Kim, Mi Hwa Heo, Hansang Lee, Jinhyun Cho, Nayoung K D Kim, Woongyang Park, Su Jin Lee, Jung Han Kim, Kee-Taek Jang, Sang-Hee Choi, Jeeyun Lee
BACKGROUND: The BRAF inhibitors vemurafenib and dabrafenib are currently the standard treatment for metastatic melanoma with BRAF V600 mutations. However, given the rarity of noncutaneous melanoma, including acral and mucosal subtypes, the efficacy of BRAF inhibitors for this subset of patients has not been extensively investigated. Acquired resistance generally appears 6 to 8 months after treatment with a BRAF inhibitor, and the mechanism of resistance is not well established. METHODS: We examined treatment outcomes for patients diagnosed with metastatic melanoma and treated with BRAF inhibitors at Samsung Medical Center between April 2013 and December 2015...
November 21, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27874201/follicular-psoriasis-differentiation-from-pityriasis-rubra-pilaris-an-illustrative-case-and-review-of-the-literature
#5
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...
November 22, 2016: Pediatric Dermatology
https://www.readbyqxmd.com/read/27873341/immunostain-use-in-the-diagnosis-of-melanomas-referred-to-a-tertiary-medical-center-a-15-year-retrospective-review-2001-2015
#6
Randie H Kim, Shane A Meehan
BACKGROUND: Little is known regarding the clinical practice of immunohistochemistry in the diagnosis of melanoma. We aimed to assess the incidence of immunostain usage by referring pathologists and dermatopathologists in melanoma cases sent for consultative review. As a secondary objective, associations between immunostain use and specific melanoma characteristics were also evaluated. METHODS: This is a retrospective review of consultation reports of referred melanomas at a tertiary academic center in New York, New York from 2001-2015...
November 22, 2016: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27870726/melanocytic-nevi-of-special-sites
#7
Christine S Ahn, Analia Guerra, Omar P Sangüeza
Melanocytic nevi located on specific regions of the body can demonstrate unusual histopathological features such as asymmetry, irregular nesting patterns, pagetoid spread, cytologic atypia, and rarely, mitotic activity. However, despite these features that may raise concern for malignant melanoma, these lesions follow a benign clinical course and do not require intervention. Also known as nevi of special sites or nevi with site-related atypia, these melanocytic nevi were initially described on acral sites and genitalia...
December 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27864876/kinase-gene-fusions-in-defined-subsets-of-melanoma
#8
Jacqueline Turner, Kasey Couts, Jamie Sheren, Siriwimon Saichaemchan, Witthawat Ariyawutyakorn, Izabela Avolio, Ethan Cabral, Magdelena Glogowska, Carol Amato, Steven Robinson, Jennifer Hintzsche, Allison Applegate, Eric Seelenfreund, Rita Gonzalez, Keith Wells, Stacey Bagby, John Tentler, Aik-Choon Tan, Joshua Wisell, Marileila Varella-Garcia, William Robinson
Genomic rearrangements resulting in activating kinase fusions have been increasingly described in a number of cancers including malignant melanoma, but their frequency in specific melanoma subtypes has not been reported. We used break-apart fluorescence in-situ hybridization (FISH) to identify genomic rearrangements in tissues from 59 patients with various types of malignant melanoma including acral lentiginous, mucosal, superficial spreading, and nodular. We identified four genomic rearrangements involving the genes BRAF, RET, and ROS1...
November 19, 2016: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/27861496/clinical-characteristics-of-malignant-melanoma-in-southwest-china-a-single-center-series-of-82-consecutive-cases-and-a-meta-analysis-of-958-reported-cases
#9
Jia Yu, Xue Luo, Hui Huang, Zhifang Zhai, Zhu Shen, Hui Lin
PURPOSE: The present study determined the clinical characteristics and prognostic factors in patients with malignant melanoma based on a series of 82 cases from January 2009 to December 2014 in Southwest Hospital and a meta-analysis (including 12 articles) involving 958 patients in China. MATERIALS AND METHODS: The database elements included basic demographic data and prognosticators which were extracted from medical records. Statistical analyses of survival, and multivariate analyses of factors associated with survival were performed using the Kaplan-Meier method, and the Cox proportional hazard model, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27860166/treatment-of-antiviral-resistant-recurrent-erythema-multiforme-with-dapsone
#10
Allen S W Oak, Lucia Seminario-Vidal, Naveed Sami
Recurrent erythema multiforme (REM) is a chronic disease characterized by frequent episodes of target cutaneous lesions in an acral distribution. Conventional treatment includes systemic corticosteroids and antiviral therapy. The aim of this study was to evaluate dapsone as a potential steroid sparing-agent for the treatment of REM after a failed trial of at least one antiviral therapy (acyclovir, famciclovir, or valacyclovir). A retrospective chart review was conducted on thirteen patients with a diagnosis of REM who underwent treatment with dapsone after failing at least one antiviral therapy...
November 18, 2016: Dermatologic Therapy
https://www.readbyqxmd.com/read/27858163/expression-of-piwil3-in-primary-and-metastatic-melanoma
#11
Thilo Gambichler, Christina Kohsik, Ann-Kathrin Höh, Kerstin Lang, Heiko U Käfferlein, Thomas Brüning, Eggert Stockfleth, Markus Stücker, Max Dreißigacker, Michael Sand
PURPOSE: The PIWI-interacting RNA machinery in malignant melanoma (MM) has not been sufficiently studied. We aimed to investigate the PIWIL3 expression profiles in primary melanomas and metastases of MM including a correlation with clinical data. METHODS: We studied 161 primary melanomas, 45 lymph node metastases, and 16 distant metastases of 183 patients with MM. We used immunohistochemistry to assess PIWIL3 protein expression in situ. The relationship between the immunoreactivity of PIWIL3 and clinical data was statistically evaluated...
November 17, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27828642/necrolytic-acral-erythema-a-rare-skin-disease-associated-with-hepatitis-c-virus-infection
#12
Luciane Francisca Fernandes Botelho, Milvia Maria Simões E Silva Enokihara, Mauro Yoshiaki Enokihara
Necrolytic acral erythema is a rare skin disease associated with hepatitis C virus infection. We report a case of a 31-year-old woman with hepatitis C virus infection and decreased zinc serum level. Physical examination revealed scaly, lichenified plaques, well-demarcated with an erythematous peripheral rim located on the lower limbs. After blood transfusion and oral zinc supplementation the patient presented an improvement of lesions.
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27825811/superficial-acral-fibromyxoma-clinicopathologic-immunohistochemical-and-molecular-study-of-11-cases-highlighting-frequent-rb1-loss-deletions
#13
Abbas Agaimy, Michael Michal, Johannes Giedl, Ladislav Hadravsky, Michal Michal
Superficial acral fibromyxoma (SAF) is an uncommon benign dermal mesenchymal lesion of adults with predilection for acral sites, in particular the nail region. To date, <300 cases have been reported. SAFs consistently express CD34 but other diagnostic markers or specific genetic alterations have not been established yet. We describe 11 SAFs occurring in 7 males and 4 females aged 37 to 86years (median, 48). Mean size was 6mm (range, 4-20mm). Affected sites were fingers (n=5), toes (n=3), heel (n=1), calf (n=1) and unspecified digit (n=1)...
November 4, 2016: Human Pathology
https://www.readbyqxmd.com/read/27824414/-77-year-old-man-with-dyspnea-and-acral-cyanosis
#14
Georg Fröhlich, Markus Ferrari, Savvas Savvidis
No abstract text is available yet for this article.
October 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27821996/superficial-acral-fibromyxoma-a-case-report
#15
Steven F DeFroda, Adam Starr, Julia A Katarincic
There are a wide variety of benign and malignant soft tissue tumors. Digital superficial acral fibromyxoma is a rare, benign, expansive soft tissue growth which often involves the distal aspect of the digit and the nail plate. While it is often asymptomatic in nature, it may cause a great deal of distress due to involvement of the nail and the resultant cosmetic deformity. Unlike wide excision or amputation needed for more aggressive tumor types, local excision is often curative. We review the literature and describe the presentation of this unique pathology to our clinic in an otherwise healthy 33-year-old female...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27806844/myxoid-liposarcoma-of-the-foot-a-study-of-8-cases
#16
Elise M Bekers, Wangzhao Song, Albert J H Suurmeijer, Johannes J Bonenkamp, Ingrid C van der Geest, Petra M Braam, Marieke J M Ploegmakers, Ingrid M E Desar, Bastiaan B J Tops, Joost M van Gorp, David H Creytens, Thomas Mentzel, Uta Flucke
INTRODUCTION: Myxoid liposarcoma is the only translocation-associated liposarcoma subtype. It classically originates in the deep soft tissues of the thigh. At distal sites of the extremities, this tumor is exceedingly rare. We present a series of 8 cases occurring in the foot/ankle. RESULTS: Two female and 6 male patients, aged between 32 and 77 years (mean, 54.3 years), were identified. Tumor size ranged from 1.1 to 10 cm (mean, 6.8 cm). Two lesions eroded bone...
December 2016: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/27790512/superficial-acral-fibromyxoma-a-rare-entity-a-case-report
#17
Narayanamurthy Sundaramurthy, Jayaganesh Parthasarathy, Surya Rao Rao Venkata Mahipathy, Alagar Raja Durairaj
Superficial acral fibromyxoma (SAF) is a rare lesion initially described by Fetsch as a tumour with histological and immunohistochemical features located at acral sites. It is a benign slow-growing soft tissue lesion occurring in males. Patients generally look for late medical help as it is generally painless. The lesion consists of spindled and stellate-shaped cells in the myxocollagenous stroma with immunohistochemical positivity for CD34, CD99 and vimentin. Treatment is surgical excision with regular follow-up...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27785785/epidemiological-trends-and-clinicopathological-features-of-cutaneous-melanoma-in-sporadic-and-xeroderma-pigmentosum-tunisian-patients
#18
Chokri Naouali, Meriem Jones, Imen Nabouli, Manel Jerbi, Haifa Tounsi, Mariem Ben Rekaya, Melika Ben Ahmed, Balkiss Bouhaouala, Olfa Messaoud, Aida Khaled, Mohamed Zghal, Sonia Abdelhak, Samir Boubaker, Houda Yacoub-Youssef
BACKGROUND: Epidemiological features and trends of cutaneous melanoma (CM) in North-African populations remain unclear. Those populations are of particular interest as they belong to a mosaic of various other origins (sub-Saharan, European Ancestry, and North-African Berbers). The aim of this study is to draw epidemiological profile and clinicopathological features of CM in the Tunisian population. METHODS: Incidence analyses were based on data from regional cancer registries...
October 26, 2016: International Journal of Dermatology
https://www.readbyqxmd.com/read/27746632/expression-of-phosphatase-and-tensin-homologue-phospho-akt-and-p53-in-acral-benign-and-malignant-melanocytic-neoplasms-benign-nevi-dysplastic-nevi-and-acral-melanomas
#19
So Min Lyu, Ju Yeon Wu, Ji Yeon Byun, Hae Young Choi, Sang Hee Park, You Won Choi
BACKGROUND: The role of the phosphatidylinositol-3 kinase signaling pathway in the development of acral melanoma has recently gained evidence. Phosphatase and tensin homologue (PTEN), one of the key molecules in the pathway, acts as a tumor suppressor through either an Akt-dependent or Akt-independent pathway. Akt accelerates degradation of p53. OBJECTIVE: We assessed the expression of PTEN, phospho-Akt (p-Akt), and p53 by immunohistochemistry in benign acral nevi, acral dysplastic nevi, and acral melanomas in the radial growth phase and with a vertical growth component...
October 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27745646/acral-melanoma-mimicking-subungual-hematoma
#20
Teresa Deinlein, Rainer Hofmann-Wellenhof, Iris Zalaudek
No abstract text is available yet for this article.
November 2016: Journal of the American Academy of Dermatology
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