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Lentigo maligna

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https://www.readbyqxmd.com/read/28504388/challenges-of-treating-melanoma-in%C3%A2-situ-lentigo-maligna-type-is-pathological-clearance-the-gold-standard
#1
S M Swetter
No abstract text is available yet for this article.
May 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28436290/topography-of-protein-kinase-c-%C3%AE-ii-in-benign-and-malignant-melanocytic-lesions
#2
Konstanin Krasagakis, Eleftheria Tsentelierou, Gregory Chlouverakis, Efstathios N Stathopoulos
BACKGROUND: Protein kinase C βII promotes melanogenesis and affects proliferation of melanocytic cells but is frequently absent or decreased in melanoma cells in vitro. OBJECTIVE: To investigate PKC-βII expression and spatial distribution within a lesion in various benign and malignant melanocytic proliferations. METHODS: Expression of PKC-βII was semiquantitatively assessed in the various existing compartments (intraepidermal [not nested], junctional [nested], and dermal) of benign (n = 43) and malignant (n = 28) melanocytic lesions by immunohistochemistry...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28436025/melanoma-in%C3%A2-situ-of-lentigo-maligna-type-in-a-young-woman
#3
Matthew F Helm, Michael J Bax, David J Augenblick, Catherine G Chung
No abstract text is available yet for this article.
April 23, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28403068/malignant-melanoma-in-african-americans-a-population-based-clinical-outcomes-study-involving-1106-african-american-patients-from-the-surveillance-epidemiology-and-end-result-seer-database-1988-2011
#4
Krishnaraj Mahendraraj, Komal Sidhu, Christine S M Lau, Georgia J McRoy, Ronald S Chamberlain, Franz O Smith
Malignant melanoma accounts for 75% of all skin cancer deaths and is potentially curable if identified early. Although melanoma is rare in African-Americans (AA), it is associated with a worse prognosis than in Caucasians. This study examines the demographic, pathologic, and clinical factors impacting AA melanoma outcomes.Data for 1106 AA and 212,721 Caucasian cutaneous melanoma patients were abstracted from the Surveillance, Epidemiology, and End Result (SEER) database (1988-2011). Data were grouped on the basis of histological subtypes: "Superficial Spreading" (SS), "Nodular" (NM), "Lentigo Maligna" (LM), "Acral Lentiginous" (AL), and "Not otherwise specified" (NOS)...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28369728/imiquimod-treatment-for-lentigo-maligna-limit-1-trial
#5
LETTER
N G Maher, P Guitera
No abstract text is available yet for this article.
March 29, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28348944/tumoral-melanosis-associated-with-pembrolizumab-treated-metastatic-melanoma
#6
Omar Bari, Philip R Cohen
Tumoral melanosis is a form of completely regressed melanoma that usually presents as darkly pigmented lesions suspicious for malignant melanoma. Histology reveals dense dermal and subcutaneous infiltration of melanophages. Pembrolizumab is an antibody directed against programmed death receptor-1 (PD1) and is frontline treatment for advanced melanoma. An 81-year-old man with metastatic melanoma treated with pembrolizumab who developed tumoral melanosis at previous sites of metastases is described. The PubMed database was searched with the key words: antibody, immunotherapy, melanoma, melanosis, metastasis, pembrolizumab, and tumoral...
February 13, 2017: Curēus
https://www.readbyqxmd.com/read/28346250/reconstruction-of-combined-upper-and-lower-eyelid-defects-in-a-patient-with-lentigo-maligna
#7
Ana Martínez-Palmer, Marta Calsina-Prat, Nerea Ormaechea, Agustí Toll
No abstract text is available yet for this article.
May 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28341252/correlation-between-digital-epiluminescence-microscopy-parameters-and-histopathological-changes-in-lentigo-maligna-and-solar-lentigo-a-dermoscopic-index-for-the-diagnosis-of-lentigo-maligna
#8
Giorgio Annessi, Riccardo Bono, Damiano Abeni
BACKGROUND: The clinical and dermoscopic differentiation between lentigo maligna (LM) and solar lentigo (SL)/initial seborrheic keratosis (SK) may be difficult. OBJECTIVE: Our aim was to identify digital epiluminescence microscopy (DELM)-specific criteria that can be helpful in distinguishing LM from SL/SK and to propose a new model of LM dermoscopic progression based on a study of DELM-histopathological correlation. METHODS: A total of 167 consecutive doubtful pigmented lesions of the head (105 LM and 62 SL/SK) were studied...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28329643/epidemiology-of-lentigo-maligna-and-lentigo-maligna-melanoma-in-the-netherlands-1989-2013
#9
Karin Greveling, Marlies Wakkee, Tamar Nijsten, Renate R Vane den Bos, Loes M Hollestein
Lentigo maligna (LM) is considered a precursor to LM melanoma (LMM). We assessed trends in LM and LMM incidence rates between 1989 and 2013 in the Netherlands, and estimated the risk of a LMM after LM. Data on newly diagnosed LM and LMM were obtained from the Netherlands Cancer Registry and PALGA (Dutch Pathology Database). Age-standardized incidence rates (European standardized rate [ESR]), estimated annual percentage changes (EAPC), and the cumulative incidence of LMM after LM were calculated. Between 1989-2013, 10,545 patients were diagnosed with a primary LM and 2,898 with a primary LMM in the Netherlands...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28296789/locally-recurrent-lentigo-maligna-and-lentigo-maligna-melanoma-characteristics-and-time-to-recurrence-after-surgery
#10
Karen L Connolly, Brian P Hibler, Erica H Lee, Anthony M Rossi, Klaus J Busam, Kishwer S Nehal
BACKGROUND: Various studies have reported local recurrence (LR) rates after surgical treatment of lentigo maligna (LM) and lentigo maligna melanoma (LMM). However, the time to LR of LM/LMM is not currently known, as few studies report time to LR and have long-term follow-up. OBJECTIVE: To define time to LR in LM/LMM after surgical treatment, and to describe features of observed LR. MATERIALS AND METHODS: Retrospective single-center study of consecutive patients presenting with locally recurrent LM/LMM...
June 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28295169/characteristic-features-of-cutaneous-melanoma-in-a-dermatology-referral-centre-in-tehran-iran
#11
Kambiz Kamyab, Sheyda Kazemi, Pourya Azimi, Arghavan Azizpour, Narges Ghandi, Elham Pirooz, Pedram Noormohammadpour, Mostafa Mirshams-Shahshahani, Maryam Daneshpazhooh
BACKGROUND/OBJECTIVES: The characteristics of cutaneous melanoma in the Middle-Eastern countries is poorly described. Therefore we conducted this study to determine the characteristics of melanoma in Iran. METHODS: A retrospective, cross sectional study of melanoma patients seen at a tertiary referral centre, Iran, from May 2004 to October 2014. Clinical data included age and gender of the patients at the time of diagnosis, tumour location and tumour size. Histological characteristics included Breslow thickness, Clark level and subtype of tumour...
March 15, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/28247492/lentigo-maligna-successfully-treated-with-combination-therapy-of-topical-tazarotene-and-imiquimod
#12
S Menzies, M Mc Menamin, R Barry
No abstract text is available yet for this article.
March 1, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28224656/diagnosis-and-management-of-lentigo-maligna-an-observational-study-comparing-2005-with-2014-data-in-one-institution
#13
S Hawkey, A Affleck
The incidence, clinical characteristics and management of lentigo maligna (LM) were assessed in a university hospital setting in 2005 and 2014. Multiple clinical variables were compared, and 28 and 43 cases, respectively were identified during the two time periods. The most common site of presentation was the cheek (50% vs. 44%), and an accurate clinical diagnosis of LM was made in 60% vs. 72%) of cases. Most of the patients received surgical treatment (75% in 2005 vs. 97% in 2014), with 47% and 33% of excisions, respectively, remaining involved at the peripheral surgical margin...
February 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28218469/diagnostic-accuracy-of-reflectance-confocal-microscopy-using-vivascope-for-detecting-and-monitoring-skin-lesions-a-systematic-review
#14
S J Edwards, G Osei-Assibey, R Patalay, V Wakefield, C Karner
BACKGROUND: Skin cancer is one of the most common cancers in the UK. Patients with suspicious skin lesions are assessed clinically with/without dermoscopy, and lesions still considered suspicious are then surgically removed or have the diagnosis confirmed by a punch biopsy. AIM: To evaluate the diagnostic accuracy of the in vivo VivaScope(©) reflective confocal microscopy (RCM) system, a noninvasive technology designed to provide a more accurate presurgical diagnosis, leading to fewer biopsies of benign lesions, or to provide greater accuracy for lesion margins...
April 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28099598/dermatoscopy-guided-therapy-of-pigmented-basal-cell-carcinoma-with-imiquimod
#15
Husein Husein-ElAhmed, Maria Antonia Fernandez-Pugnaire
BACKGROUND: Dermatoscopy is a non-invasive diagnostic tool used to examine skin lesions with an optical magnification. It has been suggested as a useful tool for monitoring therapeutic response in lentigo maligna patients treated with imiquimod. OBJECTIVE: To examine the accuracy of dermatoscopy as a tool to monitor the therapeutic response of pigmented basal cell carcinoma treated with imiquimod. METHOD: The authors designed a prospective study...
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27987308/a-systematic-review-on-the-role-of-imiquimod-in-lentigo-maligna-and-lentigo-maligna-melanoma-need-for-standardization-of-treatment-schedule-and-outcome-measures
#16
REVIEW
D Tio, J van der Woude, C A C Prinsen, E P Jansma, R Hoekzema, C van Montfrans
Lentigo maligna (LM) is an in situ variant of melanoma. Our objective was to systematically review clinical and histological clearance and recurrence rates of imiquimod treatment of LM with emphasis on progression to lentigo maligna melanoma (LMM). PubMed, EMBASE and the Cochrane library were searched from inception to May 2015. Articles were included if they described histologically proven LM treated with imiquimod 5% monotherapy or combined with another topical therapy. Analysed outcomes were clinical and histological clearance, recurrence rates and number of LMM...
April 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27926588/incidence-trends-and-clinical-pathological-characteristics-of-invasive-cutaneous-melanoma-from-1980-to-2010-in-the-canton-of-zurich-switzerland
#17
Remo Minini, Sabine Rohrmann, Ralph Braun, Dimitri Korol, Silvia Dehler
The aims of this paper are to describe the incidence trends of invasive cutaneous melanoma in the Canton of Zurich and to evaluate clinical and pathological factors such as cancer subtype, localization, age and Breslow thickness. A retrospective analysis was carried out with data from the population-based Cancer Registry of Zurich and Zug located in Zurich. A total of 8469 cases in 8034 different patients of invasive cutaneous melanoma were registered for the period 1980-2010 in the Canton of Zurich. Incidence trends were age standardized to the European standard population...
December 6, 2016: Melanoma Research
https://www.readbyqxmd.com/read/27906694/follicular-malignant-melanoma-a-rare-morphologic-variant-of-melanoma-report-of-a-case-and-review-of-the-literature
#18
Iona Chapman, Sharon Horton, Wenhua Liu
Follicular malignant melanoma (FMM) is an exceedingly rare variant of melanoma. Only 8 cases have been reported in the literature thus far. Often bland on physical examination, FMM shows a striking histologic pattern, with atypical melanocytes sometimes consuming the entire follicle and extending into the dermis. Criteria have been suggested to help distinguish FMM from lentigo maligna melanoma; however, no clear criteria distinguish this cancer clinically. FMM cannot be distinguished from follicular metastases of melanoma based on histology, requiring close clinical correlation and detailed history taking on the part of the practitioner...
May 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27898656/interval-cancers-after-skin-cancer-screening-incidence-tumour-characteristics-and-risk-factors-for-cutaneous-melanoma
#19
J Hübner, A Waldmann, A C Geller, M A Weinstock, N Eisemann, M Noftz, S Bertram, S Nolte, B Volkmer, R Greinert, E Breitbart, A Katalinic
BACKGROUND: The rate of interval cancers is an established indicator for the performance of a cancer-screening programme. METHODS: We examined the incidence, tumour characteristics and risk factors of melanoma interval cancers that occurred in participants of the SCREEN project, which was carried out 2003/2004 in Schleswig-Holstein, Germany. Data from 350 306 SCREEN participants, who had been screened negative for melanoma, were linked to data of the state cancer registry...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27873142/university-hospital-waterford-5-year-experience-of-cutaneous-melanoma
#20
R Sehgal, C X Cheung, R Alradadi, D A Healy, R Landers, G T O'Donoghue
INTRODUCTION: The incidence of cutaneous melanoma (CM) continues to rise in Ireland. Despite significant advances in melanoma molecular therapy, surgery remains the mainstay of treatment for CM. The University Hospital Waterford (UHW) prospectively maintained CM registry was established in 2010. AIM: To summarize 5-year experience (2010-2015) of primary CM presenting to UHW. METHODS: Data were retrospectively obtained from a central electronic pathology and radiology repository augmented by HIPE data and theatre logs...
May 2017: Irish Journal of Medical Science
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