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https://www.readbyqxmd.com/read/28724272/patients-characteristics-histopathological-findings-and-tumor-stage-in-different-types-of-malignant-melanoma-a-retrospective-multicenter-study
#1
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
https://www.readbyqxmd.com/read/28718222/when-is-a-sentinel-node-biopsy-indicated-for-patients-with-primary-melanoma-an-update-of-the-australian-guidelines-for-the-management-of-cutaneous-melanoma
#2
REVIEW
David E Gyorki, Andrew Barbour, Mark Hanikeri, Victoria Mar, Shahneen Sandhu, John F Thompson
A sentinel lymph node biopsy is a surgical staging procedure performed for patients with primary cutaneous melanoma who are clinically lymph-node negative to determine whether there is low volume nodal metastasis in the draining lymph node field. A systematic review was recently performed to update the Australian clinical practice guidelines for the diagnosis and management of melanoma, addressing the question, 'When is a sentinel lymph node biopsy indicated?' This article discusses the findings of the systematic review and the evidence base for the updated guidelines...
July 17, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/28716437/tumor-programmed-cell-death-ligand-1-expression-correlates-with-nodal-metastasis-in-patients-with-cutaneous-squamous-cell-carcinoma-of-the-head-and-neck
#3
Juana María García-Pedrero, Pablo Martínez-Camblor, Susana Diaz-Coto, Pablo Munguia-Calzada, Aitana Vallina-Alvarez, Francisco Vazquez-Lopez, Juan Pablo Rodrigo, Jorge Santos-Juanes
BACKGROUND: Binding of tumor-expressed programmed cell death ligand 1 (PD-L1) to the programmed cell death 1 (PD-1) surface receptor blocks T-cell activation thereby leading to immune evasion. Tumor PD-L1 expression has been associated with poor outcome in a wide variety of cancers; however, data in cutaneous squamous cell carcinoma (cSCC) are scarce and conflicting. OBJECTIVE: To investigate the relationship of tumor PD-L1 expression with the clinicopathologic features and prognosis of cSCC...
July 14, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28714113/secondary-syphilis-primarily-presenting-with-multiple-nodules-on-the-scalp-case-report-and-published-work-review
#4
Fan Li, Tingting Wang, Lin Wang
Syphilis, a sexually transmitted disease caused by Treponema pallidum, manifests with a broad spectrum of clinical presentations that usually involves skin. Nodular secondary syphilis occurs rarely, and mostly manifests as disseminated papulonodules or plaques over the trunk and limbs. We report an extremely rare case of nodular secondary syphilis that primarily presented with multiple nodules on the scalp, resembling Rosai-Dorfman disease or cutaneous malignant metastasis. Immunohistochemistry confirmed T...
July 17, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28712323/management-of-cutaneous-merkel-cell-carcinoma
#5
William M Mendenhall, Christopher G Morris, Jessica M Kirwan, Robert J Amdur, Christiana Shaw, Peter T Dziegielewski
PURPOSE: To report the outcomes of patients with previously untreated cutaneous Merkel cell carcinoma (MCC) managed with curative intent. MATERIAL AND METHODS: Between December 1984 and August 2015, 59 patients with previously untreated cutaneous MCC were managed with curative intent with surgery and adjuvant radiotherapy (54 patients) or radiotherapy alone (5 patients) at the University of Florida. Primary sites included head and neck (45 patients), extremities (11 patients) and trunk (3 patients)...
July 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28709916/lymphatic-invasion-and-the-shields-index-in-predicting-melanoma-metastases
#6
Zorica Špirić, Mirela Erić, Živka Eri
INTRODUCTION: Findings of the prognostic significance of lymphatic invasion are contradictory. To determine an as efficient cutaneous melanoma metastasis predictor as possible, Shields et al. created a new prognostic index. This study aimed to examine whether the lymphatic invasion analysis and the Shields index calculation can be used in predicting lymph node status in patients with cutaneous melanoma. METHODS: Lymphatic invasion of 100 melanoma specimens was detected by dual immunohistochemistry staining for the lymphatic endothelial marker D2-40 and melanoma cell S-100 protein...
June 13, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28708595/angptl4-promotes-the-progression-of-cutaneous-melanoma-to-brain-metastasis
#7
Sivan Izraely, Shlomit Ben-Menachem, Orit Sagi-Assif, Tsipi Meshel, Diego M Marzese, Shuichi Ohe, Inna Zubrilov, Metsada Pasmanik-Chor, Dave S B Hoon, Isaac P Witz
In an ongoing effort to identify molecular determinants regulating melanoma brain metastasis, we previously identified Angiopoietin-like 4 (ANGPTL4) as a component of the molecular signature of such metastases.The aim of this study was to determine the functional significance of ANGPTL4 in the shaping of melanoma malignancy phenotype, especially in the establishment of brain metastasis.We confirmed that ANGPTL4 expression is significantly higher in cells metastasizing to the brain than in cells from the cutaneous (local) tumor from the same melanoma in a nude mouse xenograft model, and also in paired clinical specimens of melanoma metastases than in primary melanomas from the same patients...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28703911/low-incidence-of-metastasis-and-recurrence-from-cutaneous-squamous-cell-carcinoma-found-in-a-uk-population-do-we-need-to-adjust-our-thinking-on-this-rare-but-potentially-fatal-event
#8
Toby G Nelson, Richard E Ashton
BACKGROUND AND METHODS: Cutaneous squamous cell carcinoma (cSCC) is the commonest skin cancer with metastatic potential, however, reported rates of metastasis varies greatly. All cases of primary cSCC on the Isle of Wight between 2005 and 2014 were identified and retrospectively followed for recurrence and/or metastasis. Primary outcome was to identify the rate of metastasis/recurrence from cSCC. Secondary outcomes included associated risk factors for metastasis/recurrence, death from cSCC, and time from diagnosis of primary cSCC to event...
July 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28702965/hard-to-face-cutaneous-malignant-melanoma
#9
M Vaccaro, M Lentini, J Lotti, M Fioranelli, M G Roccia, T Lotti, C Guarneri
An 88-year-old Caucasian man recently sought medical attention due to recrudescence of skin disease in the area of previously excised nodule (in 2002) on the nose dorsum. The original lesion was clinically considered as a pigmented basal cell carcinoma, after which histological examination revealed a superficial spreading melanoma in vertical growth face (Clark level IV; Breslow thickness 2.1 mm) arising from a pre-existing nevus. The adjacent skin also showed significant actinic damage both in the epidermis and in the dermis...
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28700504/silent-presentation-of-multiple-metastasis-burkitt-lymphoma-in-a-child-a-case-report-and-review-of-the-literature
#10
Ingrith Miron, Lucian Miron, Vasile Valeriu Lupu, Ancuta Ignat
RATIONALE: The Burkitt lymphoma (BL) is a very aggressive B-cell non-Hodgkin's lymphoma. It accounts for 34% of lymphoma cases in children. PATIENT CONCERNS: We present the case of a 6-year-old boy diagnosed with BL, who presented multiple contrasting elements of the disease: silent symptomatology, without involvement of the bone marrow at first, but with multiorgan infiltration and a fast evolution, despite starting the treatment shortly after the symptoms appeared...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28699537/recent-advances-in-polymeric-nanosystems-for-treating-cutaneous-melanoma-and-its-metastasis
#11
Yi-Ping Chou, Yin-Ku Lin, Chun-Han Chen, Jia-You Fang
Melanoma shows a high possibility of mortality after it metastasizes because of its aggressive nature. Although there are several options for anti-melanoma therapy, this skin malignancy is resistant to some therapies. Chemotherapy, biochemotherapy, immunotherapy, and adoptive cell therapy have failed to exhibit a significant amelioration in overall survival. Nanomedicine provides an opportunity to improve the efficiency of the anti-melanoma regimen. Nanoparticles for treating melanoma provide the advantages over conventional therapies such as drug solubility increment, drug stability enhancement, epithelium permeability and bioavailability amelioration, half-life prolonging, tumor targeting, and side effect minimization...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28699042/is-the-non-sentinel-lymph-node-compartment-the-next-site-for-melanoma-progression-from-the-sentinel-lymph-node-compartment-in-the-regional-nodal-basin
#12
Andrei Rios-Cantu, Ying Lu, Victor Melendez-Elizondo, Michael Chen, Alejandra Gutierrez-Range, Niloofar Fadaki, Suresh Thummala, Carla West-Coffee, James Cleaver, Mohammed Kashani-Sabet, Stanley P L Leong
Melanoma patients with additional positive lymph nodes in the completion lymph node dissection (CLND) following a positive sentinel lymph node (SLN) biopsy would have a poorer prognosis than patients with no additional positive lymph nodes. We hypothesize that the progression of disease from the SLN to the non-SLN compartment is orderly and is associated with the worsening of the disease status. Thus, the SLN and non-SLN compartments are biologically different in that cancer cells, in general, arrive in the SLN compartment before spreading to the non-SLN compartment...
July 11, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28678985/clinical-and-incidental-perineural-invasion-of-cutaneous-squamous-cell-carcinoma-a-systematic-review-and-pooled-analysis-of-outcomes-data
#13
Pritesh S Karia, Frederick C Morgan, Emily Stamell Ruiz, Chrysalyne D Schmults
Importance: Perineural invasion (PNI) in cutaneous squamous cell carcinoma (CSCC) has been associated with an increased risk of poor outcomes. Patients with PNI may present with clinical symptoms and/or radiologic evidence of PNI (clinical PNI [CPNI]), yet most patients are asymptomatic and PNI is often found on histologic examination (incidental PNI [IPNI]). Evidence-based estimates of the risks of disease-related outcomes comparing IPNI and CPNI are limited in the dermatology literature...
July 5, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28673886/newly-diagnosed-sellar-tumors-in-cancer-patients-a-diagnostic-challenge-and-management-dilemma
#14
Carlos R Goulart, Smita Upadhyay, Leo F S Ditzel Filho, Andre Beer-Furlan, Ricardo L Carrau, Luciano M Prevedello, Daniel M Prevedello
OBJECTIVE: The use of PET CT for staging in cancer patients and the widespread use of MRI led to an increased incidence of incidental sellar mass detection. The imaging findings can be suggestive of a benign pituitary tumor but metastasis can never be completely ruled out with non-invasive work-up. Appropriate diagnosis of these sellar masses is critical as the treatment paradigm might change in the presence of a pituitary metastasis. Moreover, definitive tissue diagnosis might prevent unnecessary radiotherapy to the skull base or even the need for systemic treatment when benign pituitary disease is confirmed...
June 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28668494/lung-metastasis-in-primary-cutaneous-adenoid-cystic-carcinoma-clinicopathological-evaluation-of-a-rare-case-with-review-of-literature
#15
Gunjesh Kumar Singh, Pragya Singh, Jaspreet Kaur, Rakesh Kumar
Primary cutaneous adenoid cystic carcinoma (ACC) is an extremely rare and indolent cutaneous malignancy with very infrequent distant metastasis. We present a case of primary cutaneous ACC with bilateral lung metastases in a 57-year-old male along with literature review. To the best of our knowledge this is the tenth case of primary cutaneous ACC reported presenting with distant metastasis.
June 28, 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/28658220/whole-body-imaging-of-lymphovascular-niches-identifies-pre-metastatic-roles-of-midkine
#16
David Olmeda, Daniela Cerezo-Wallis, Erica Riveiro-Falkenbach, Paula C Pennacchi, Marta Contreras-Alcalde, Nuria Ibarz, Metehan Cifdaloz, Xavier Catena, Tonantzin G Calvo, Estela Cañón, Direna Alonso-Curbelo, Javier Suarez, Lisa Osterloh, Osvaldo Graña, Francisca Mulero, Diego Megías, Marta Cañamero, Jorge L Martínez-Torrecuadrada, Chandrani Mondal, Julie Di Martino, David Lora, Inés Martinez-Corral, J Javier Bravo-Cordero, Javier Muñoz, Susana Puig, Pablo Ortiz-Romero, José L Rodriguez-Peralto, Sagrario Ortega, María S Soengas
Cutaneous melanoma is a type of cancer with an inherent potential for lymph node colonization, which is generally preceded by neolymphangiogenesis. However, sentinel lymph node removal does not necessarily extend the overall survival of patients with melanoma. Moreover, lymphatic vessels collapse and become dysfunctional as melanomas progress. Therefore, it is unclear whether (and how) lymphangiogenesis contributes to visceral metastasis. Soluble and vesicle-associated proteins secreted by tumours and/or their stroma have been proposed to condition pre-metastatic sites in patients with melanoma...
June 28, 2017: Nature
https://www.readbyqxmd.com/read/28657384/cutaneous-metastasis-from-vulvar-squamous-cell-carcinoma-a-rare-occurrence-that-should-not-be-forgotten
#17
Nicolò Bizzarri, Valerio Gaetano Vellone, Luca Parodi, Luana Calanni Fraccono, Valentina Ghirardi, Sergio Costantini, Mario Valenzano Menada, Paolo Sala
Vulvar cancer accounts for 5% of the female genital tract cancers. Cutaneous metastases from vulvar cancer are extremely rare and for this reason, it can be difficult to reach a diagnosis with a consequent delay in the treatment. A systematic literature review of articles on this subject was conducted through a MEDLINE-based search for articles published in English or French. To date, 16 cases (including ours unpublished) of cutaneous metastasis from vulvar cancer have been reported. Cutaneous metastasis can occur from any stage of vulvar cancer, even after a short period...
June 28, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28654578/microcystic-adnexal-carcinoma-a-review-of-the-literature
#18
Shayna Gordon, Caroline Fischer, Ann Martin, Ilana S Rosman, M Laurin Council
BACKGROUND: Microcystic adnexal carcinoma (MAC) is a rare, locally aggressive cutaneous neoplasm that commonly occurs on the face. OBJECTIVE: The purpose of this article is to comprehensively review the current literature on MAC pertaining to epidemiology, pathogenesis, clinical presentation, histology, immunohistochemistry, prognosis, follow-up, and treatment. MATERIALS AND METHODS: An extensive literature review was conducted using OVID MEDLINE and PubMed to identify articles relating to MAC...
June 23, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28653452/cutaneous-implantation-of-papillary-thyroid-carcinoma-secondary-to-percutaneous-ethanol-injection-into-nodal-metastasis
#19
Enrique Rodríguez-Lomba, Irene Molina-López, Verónica Parra-Blanco, Ricardo Suárez-Fernández, Cristina Ciudad-Blanco
Papillary thyroid carcinoma is the most common malignant neoplasm of the thyroid gland, accounting for 50-89% of the cases. It usually presents as a well-differentiated, slow-growing, malignant disease with common spread to locoregional lymph nodes and high recurrence rates. In patients with limited cervical lymph node metastases who are not candidates for surgery or radioiodine therapy, percutaneous ethanol injection (PEI) guided by ultrasonography has proven to be a valuable treatment alternative. This article is protected by copyright...
June 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28635133/critical-role-of-glioma-associated-oncogene-homolog-1-in-maintaining-invasive-and-mesenchymal-like-properties-of-melanoma-cells
#20
I Ketut Gunarta, Rong Li, Ryota Nakazato, Ryusuke Suzuki, Jambaldorj Boldbaatar, Takeshi Suzuki, Katsuji Yoshioka
Cutaneous melanoma is the most aggressive form of skin cancer. This aggressiveness appears to be due to the cancer cells' ability to reversibly switch between phenotypes with non-invasive and invasive potentials, and microphthalmia-associated transcription factor (MITF) is known to play a central role in this process. The transcription factor glioma-associated oncogene homolog 1 (GLI1) is a component of the canonical and noncanonical sonic hedgehog pathways. Although GLI1 has been suggested to be involved in melanoma progression, its precise role and the mechanism underlying invasion remain unclear...
June 21, 2017: Cancer Science
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