Read by QxMD icon Read

Lentigo maligna

Annie Liu, Alexis Botkin, Christian Murray, David Goldstein, Stefan O P Hofer, Nowell Solish, Jessica Kitchen, An-Wen Chan
BACKGROUND: Lentigo maligna is an in situ form of cutaneous melanoma that commonly arises on the head and neck. Various surgical and nonsurgical treatment options are available but no randomized trials exist to guide practice. OBJECTIVE: To determine the current treatment practices for lentigo maligna of the head and neck in Ontario, Canada. MATERIALS AND METHODS: Cross-sectional survey of dermatologists, plastic surgeons, and head and neck surgeons...
March 13, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Shadai Flores, Nathan J Luby, Glen M Bowen
No abstract text is available yet for this article.
February 16, 2018: JAMA Dermatology
Clara Matas-Nadal, Xavier Sòria, María R García-de-la-Fuente, Valentín Huerva, Eugenia Ortega, Felip Vilardell, Sònia Gatius, Josep M Casanova, Rosa M Martí
The incidence of lentigo maligna (LM), in situ (LM) or invasive (lentigo maligna melanoma, LMM), has increased during the last decades. Due to functional or cosmetic outcomes, optimal treatment with surgical excision may not be appropriate in some cases. We tried less invasive therapy, immunocryosurgery, as a single treatment for LM or combined with surgery for LMM, with better aesthetic results. Three patients with LM or LMM not amenable to complete surgical excision were selected. LMM patients underwent limited surgical resection of the invasive area...
February 11, 2018: Journal of Dermatology
D Tio, C A C Prinsen, B Dréno, R Hoekzema, M Augustin, C van Montfrans
BACKGROUND: Lentigo maligna (LM), a form of melanoma in situ, is treated to prevent progression to lentigo maligna melanoma (LMM). Surgical treatment is the gold standard. However, treatment guidelines are based on expert opinion and comparative studies are lacking. OBJECTIVE: The objective of this study is to assess the diagnostic methods and clinical management of LM patients among European dermatologists and residents. METHODS: A survey consisting of 29 questions about diagnostic methods and treatment options used for LM patients was sent to 3308 members of the European association of Dermatologists and Venereologists (EADV)...
February 8, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
L Tognetti, E Cinotti, J L Perrot, M Campoli, M Fimiani, P Rubegni
BACKGROUND: Though the combination/collision of nevi or lentigo simplex and hemangiomas is frequent, the malignant collision tumor melanoma-hemangioma is exceptional and can sometime clinically simulate a benign collision. To date, a series of collision tumors of hemangiomas associated with either benign or malignant melanocytic skin lesions (MSL) has yet to be studied by non-invasive imaging and clinico-pathologic correlates. METHODS: We present 10 cases of patients with collision tumors of hemangioma with different MSL including: 2 in situ lentigo-maligna melanoma, 1 invasive melanoma, 5 melanocytic nevi, and 2 lentigo simplex...
January 31, 2018: Skin Research and Technology
Laurel L Wessman, Louise K Andersen, Mark D P Davis
Understanding the effects of age on the epidemiology of diseases primarily affecting the skin is important to the practice of dermatology, both for proper allocation of resources and for optimal patient-centered care. To fully appreciate the effect that age may have on the population-based calculations of incidence of diseases primarily affecting the skin in Olmsted County, Minnesota, and worldwide, we performed a review of all relevant Rochester Epidemiology Project-published data and compared them to similar reports in the worldwide English literature...
January 29, 2018: International Journal of Dermatology
E Cinotti, B Labeille, S Debarbieux, C Carrera, F Lacarrubba, A M Witkowski, E Moscarella, E Arzberger, H Kittler, P Bahadoran, S Gonzalez, P Guitera, M Agozzino, F Farnetani, R Hofmann-Wellenhof, M Ardigò, P Rubegni, L Tognetti, J Łudzik, I Zalaudek, G Argenziano, C Longo, S Ribero, J Malvehy, G Pellacani, F Cambazard, J L Perrot
BACKGROUND: Several dermoscopic and in vivo reflectance confocal microscopy (RCM) diagnostic criteria of lentigo maligna (LM)/lentigo maligna melanoma (LMM) have been identified. However, no study compared the diagnostic accuracy of these techniques. OBJECTIVE: We evaluated the diagnostic accuracy of dermoscopy and RCM for LM/LMM using a holistic assessment of the images. METHODS: 223 facial lesions were evaluated by 21 experts. Diagnostic accuracy of the clinical, dermoscopic and RCM examination were compared...
January 17, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Eftychia Platsidaki, Nikolaos Kostopoulos, Kanellos Gesakis, Dorothea Polydorou, Efthymia Agiasofitou
No abstract text is available yet for this article.
January 5, 2018: Indian Journal of Dermatology, Venereology and Leprology
F Persechino, N De Carvalho, S Ciardo, B De Pace, A Casari, J Chester, S Kaleci, I Stanganelli, C Longo, F Farnetani, G Pellacani
Pigmented facial macules are common on sun damage skin. The diagnosis of early stage lentigo maligna (LM) and lentigo maligna melanoma (LMM) is challenging. Reflectance confocal microscopy (RCM) has been proven to increase diagnostic accuracy of facial lesions. A total 154 pigmented facial macules, retrospectively collected, were evaluate for the presence of already described RCM features and new parameters depicting aspects of the follicle . Melanocytic nests, roundish pagetoid cells, follicular infiltration, bulgings from the follicles and many bright dendrites, and infiltration of the hair follicle (i...
December 22, 2017: Experimental Dermatology
Alice Brînzea, Roxana Ioana Nedelcu, Gabriela Turcu, Mihaela Antohe, Sabina Andrada Zurac, Daniela Adriana Ion
Mechanisms involved in melanoma invasiveness and metastasis are essential to understanding the behavior of this aggressive melanocytic skin cancer. The epithelial-mesenchymal transition (EMT) is considered fundamental for overcoming the in situ stage of melanoma and its proliferation beyond the basal membrane. Matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs) are key molecules involved in EMT about whose expression in lentigo maligna (LM) and lentigo maligna melanoma (LMM) little has been studied so far...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
Tapan D Patel, Oliver Y Chin, Soly Baredes, Jean Anderson Eloy, Yu-Lan Mary Ying
OBJECTIVE: Malignant melanoma accounts for nearly 75% of all skin cancer deaths, and the incidence is on the rise in the United States. External ear melanoma (EEM) is rare, and there is little long-term data regarding the clinical behavior of this melanoma site. This study analyzes the demographic, clinicopathologic, and survival characteristics of EEM. METHODS: The SEER database was queried for EEM cases from 1973 to 2012 (8,982 cases). Data analyzed included patient demographics, incidence trends, and survival outcomes...
February 2018: Otology & Neurotology
Paul Lorenz Bigliardi, Bhimsen Rout, Aakanksha Pant, Viknish Krishnan-Kutty, Alex N Eberle, Ramasamy Srinivas, Brendan Adrian Burkett, Mei Bigliardi-Qi
A strategy combining covalent conjugation of photosensitizers to a peptide ligand directed to the melanocortin 1 (MC1) receptor with the application of sequential LED light dosage at near-IR wavelengths was developed to achieve specific cytotoxicity to melanocytes and melanoma (MEL) with minimal collateral damage to surrounding cells such as keratinocytes (KER). The specific killing of melanotic cells by targeted photodynamic therapy (PDT) described in this study holds promise as a potentially effective adjuvant therapeutic method to control benign skin hyperpigmentation or superficial melanotic malignancy such as Lentigo Maligna Melanoma (LMM)...
November 16, 2017: Scientific Reports
Stephanie Menzies, Rupert Barry, Patrick Ormond
Prognosis has been shown to be worse for patients with multiple primary melanomas than those with a single melanoma. One recent retrospective study showed that older, white men were at higher risk of multiple primary melanomas. In our institution 2057 melanomas were diagnosed between January 1994 and March 2016. We identified 99 (4.8%) patients who had multiple primary melanomas. The average number of melanomas was 2.5 (range: 2-10). The site for first and second melanomas was similar in 30%. We found that subsequent melanomas were more likely to be in situ and thinner in terms of Breslow thickness and Clarks level...
December 2017: Melanoma Research
Oriol Yélamos, Miguel Cordova, Nina Blank, Kivanc Kose, Stephen W Dusza, Erica Lee, Milind Rajadhyaksha, Kishwer S Nehal, Anthony M Rossi
Importance: The management of lentigo maligna (LM) and LM melanoma (LMM) is challenging because of extensive subclinical spread and its occurrence on cosmetically sensitive areas. Reflectance confocal microscopy (RCM) improves diagnostic accuracy for LM and LMM and can be used to delineate their margins. Objectives: To evaluate whether handheld RCM with radial video mosaicing (HRCM-RV) offers accurate presurgical assessment of LM and LMM margins. Design, Setting, and Participants: This prospective study included consecutive patients with biopsy-proven LM and LMM located on the head and neck area who sought consultation for surgical management from March 1, 2016, through March 31, 2017, at the Dermatology Service of the Memorial Sloan Kettering Cancer Center...
October 11, 2017: JAMA Dermatology
Beatrice Mussio Fornazier Volpini, Marcus Maia, Jorge Agi, José Vital, Rute Facchini Lellis
Lentigo maligna has an extensive and neoplastic character. It typically progresses slowly and may eventually develop into an invasive melanoma, which is called lentigo maligna melanoma. Ocular melanoma is the second most common type of melanoma. The uvea is the most common site of origin of ocular melanomas, while conjunctival melanoma accounts for about 1-5% of cases. In this article, we describe a rare case of synchronic conjunctival melanoma and lentigo maligna on the face.
July 2017: Anais Brasileiros de Dermatologia
E de Eusebio Murillo, A Martín Fuentes, V Ruiz-Salas, J R Garcés, R Miñano Medrano, J L López-Estebaranz, T Alonso-Alonso, M Á Rodríguez-Prieto, Y Delgado Jiménez, V Morales, P Redondo Bellón, E Manubens-Mercadé, O Sanmartín-Jiménez, C Guillén Barona, R Cabeza, N Cano, A Toll-Abelló, R Navarro Tejedor, J L Artola Igarza, I Allende Markixana, A Alfaro Rubio, C Ciudad Blanco, H Vázquez-Veiga, L Barchino Ortiz, M A Descalzo, I García-Doval
INTRODUCTION: The Spanish Mohs Surgery Registry is used to collect data on the use and outcomes of Mohs micrographic surgery (MMS) in Spain. The aim of this study was to describe perioperative and intraoperative data recorded for MMS procedures performed between July 2013 (when the registry started) and January 2016. MATERIAL AND METHODS: Prospective cohort study of data from 18 hospitals. The data collected included type of anesthesia, surgical technique, hospital admission, number of Mohs stages, management of preoperative risk factors, additional treatments, previous treatments, type of tumor, operating time, and complications...
November 2017: Actas Dermo-sifiliográficas
Genevieve J Kaunitz, Tricia R Cottrell, Mohammed Lilo, Valliammai Muthappan, Jessica Esandrio, Sneha Berry, Haiying Xu, Aleksandra Ogurtsova, Robert A Anders, Alexander H Fischer, Stefan Kraft, Meg R Gerstenblith, Cheryl L Thompson, Kord Honda, Jonathan D Cuda, Charles G Eberhart, James T Handa, Evan J Lipson, Janis M Taube
PD-L1 expression in the tumor immune microenvironment is recognized as both a prognostic and predictive biomarker in patients with cutaneous melanoma, a finding closely related to its adaptive (IFN-γ-mediated) mechanism of expression. Approximately 35% of cutaneous melanomas express PD-L1, however, the expression patterns, levels, and prevalence in rarer melanoma subtypes are not well described. We performed immunohistochemistry for PD-L1 and CD8 on 200 formalin-fixed paraffin-embedded specimens from patients with acral (n=16), mucosal (n=36), uveal (n=103), and chronic sun-damaged (CSD) (n=45) melanomas (24 lentigo maligna, 13 'mixed' desmoplastic, and 8 'pure' desmoplastic melanomas)...
September 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
Ali-Mohammad Farahmand, Amir-Hoshang Ehsani, Mojtaba Mirzaei, Maryam Mohsenian, Alireza Ghanadan
Cutaneous malignant melanoma (CMM) is currently the most fatal of skin cancers accounting for 50000 deaths annually. Five distinct melanomas are described histopathologically: superficial spreading, lentigo maligna, nodular, acral lentiginous and mucosal melanoma. The aim of this study was to investigate the characteristics of patients with various types of malignant melanoma and evaluate histopathological findings. In this retrospective study, we obtained our data from the records of 111 patients with melanoma...
May 2017: Acta Medica Iranica
A Kelati, H Baybay, E Moscarella, G Argenziano, S Gallouj, F Z Mernissi
The diagnosis of pigmented actinic keratosis (PAK) is often challenging because of overlapping features with lentigo maligna. OBJECTIVE: To investigate dermoscopic patterns of PAK according to their different evolutionary stages, and to correlate the pattern with clinical characteristics of the patients. METHODS: Descriptive and analytical study of 232 PAK. Dermoscopic patterns were divided into two categories: the follicule surroundings' abnormalities (FSA) and follicular keratosis' abnormalities (FKA)...
November 2017: Actas Dermo-sifiliográficas
Marisa Grace Ponzo, Richard Ian Crawford, Irèn Kossintseva
Amelanotic lentigo maligna melanoma represents <2% of melanomas. Diagnosis is delayed owing to the lack of lesion pigmentation and advanced disease at presentation. Excision with appropriate margins is the treatment standard, but the starting point for such margins is often unclear. We describe 2 patients with amelanotic melanoma treated by Mohs micrographic surgery (MMS) that would not have been cleared by wide local excision alone and provide an extensive review of the literature. Both patients presented with histologic diagnoses of malignant melanoma, one with a barely perceptible biopsy site scar on the left infraorbital cheek/lower eyelid (Breslow 1...
July 1, 2017: Journal of Cutaneous Medicine and Surgery
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"