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(Cutaneous metastasis) melanoma

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https://www.readbyqxmd.com/read/30431060/overexpression-of-cdca8-promotes-the-malignant-progression-of-cutaneous-melanoma-and-leads-to-poor-prognosis
#1
Chao Ci, Biao Tang, Dalun Lyu, Wenbei Liu, Di Qiang, Xiang Ji, Xiamin Qiu, Lei Chen, Wei Ding
Cutaneous melanoma is very aggressive and results in high mortality rates for cancer patients. Determining molecular targets is important for developing novel therapies for cutaneous melanoma. Cell division cycle associated 8 (CDCA8) is a putative oncogene that is upregulated in multiple types of cancer. The present study aimed to examine the role of CDCA8 in cutaneous melanoma, with a focus on the association of its expression to prognosis and metastasis. First, the mRNA expression of CDCA8 in cutaneous melanoma tissues was investigated using the ONCOMINE and Gene Expression Omnibus (GEO) databases...
November 7, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/30426532/foxd2-as1-correlates-with-the-malignant-status-and-regulates-cell-proliferation-migration-and-invasion-in-cutaneous-melanoma
#2
Wenqing Ren, Zirong Zhu, Lina Wu
Long noncoding RNA (lncRNA) FOXD2 adjacent opposite strand RNA 1 (FOXD2-AS1) has been shown to be dysregulated in several types of human cancer. However, the role of FOXD2-AS1 in cutaneous melanoma was still unclear. In our study, FOXD2-AS1 expression has been found to be upregulated in cutaneous melanoma tissue specimens and cell lines compared with that in normal tissue specimens and normal human epidermal melanocyte, respectively. Furthermore, high expression of FOXD2-AS1 was obviously correlated with deep Breslow thickness, present ulceration, high Clark level and distant metastasis in cutaneous melanoma patients...
November 13, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30404068/inhibition-of-mtorc2-rictor-impairs-melanoma-hepatic-metastasis
#3
Katharina M Schmidt, Peter Dietrich, Christina Hackl, Jessica Guenzle, Peter Bronsert, Christine Wagner, Stefan Fichtner-Feigl, Hans J Schlitt, Edward K Geissler, Claus Hellerbrand, Sven A Lang
Mammalian target of rapamycin complex 2 (mTORC2) with its pivotal component rapamycin-insensitive companion of mTOR (RICTOR) is the major regulator of AKT phosphorylation and is increasingly implicated in tumor growth and progression. In cutaneous melanoma, an extremely aggressive and highly metastatic disease, RICTOR overexpression is involved in tumor development and invasiveness. Therefore, we investigated the impact of RICTOR inhibition in melanoma cells in vitro and in vivo with special emphasis on hepatic metastasis...
November 4, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/30402447/the-long-term-prognostic-impact-of-sentinel-lymph-node-biopsy-in-patients-with-primary-cutaneous-melanoma-a-prospective-study-with-10-year-follow-up
#4
Mattia Portinari, Gabriele Baldini, Massimo Guidoboni, Alessandro Borghi, Stefano Panareo, Simona Bonazza, Gianlorenzo Dionigi, Paolo Carcoforo
Purpose: Sentinel lymph node (SLN) biopsy (SLNB) is widely accepted for staging of melanoma patients. It has been shown that clinico-pathological features such as Breslow thickness, ulceration, age, and sex are better predictors of relapse and survival than SLN status alone. The aims of this study were to evaluate the long-term (10-year) prognostic impact of SLNB and to determine predictive factors associated with SLN metastasis, relapse, and melanoma specific mortality (MSM). Methods: This was a prospective observational study on 289 consecutive patients with primary cutaneous melanoma who underwent SLNB from January 2000 to December 2007, and followed until January 2014, at an Italian academic hospital...
November 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/30398472/brain-metastasis-dna-methylomes-a-novel-resource-for-the-identification-of-biological-and-clinical-features
#5
Matthew P Salomon, Javier I J Orozco, James S Wilmott, Parvinder Hothi, Ayla O Manughian-Peter, Charles S Cobbs, Richard A Scolyer, Dave S B Hoon, Diego M Marzese
Brain metastases (BM) are one the most lethal and poorly managed clinical complications in cancer patients. These secondary tumors represent the most common intracranial neoplasm in adults, most frequently originating from lung cancer, breast cancer, and cutaneous melanoma. In primary brain tumors, such as gliomas, recent advances in DNA methylation profiling have allowed for a comprehensive molecular classification. Such data provide prognostic information, in addition to helping predict patient response to specific systemic therapies...
November 6, 2018: Scientific Data
https://www.readbyqxmd.com/read/30396988/risk-factors-for-regional-and-systemic-metastases-in-patients-with-sentinel-lymph-node-negative-melanoma
#6
Michael Erdmann, Dominic Sigler, Ugur Uslu, Jonas Göhl, Robert Grützmann, Gerold Schuler, Vera Schellerer
BACKGROUND: Sentinel lymph node status is a strong prognostic factor in melanoma. However, up to 21% of sentinel lymph node-negative patients develop locoregional and distant metastases during follow-up. AIM: To analyze risk factors for locoregional and distant metastasis in patients with sentinel lymph node-negative melanoma. PATIENTS AND METHODS: A total of 545 patients underwent sentinel lymph node biopsy (SNB) between 2005 and 2013 at our hospital...
November 2018: Anticancer Research
https://www.readbyqxmd.com/read/30383642/laparoscopic-pancreaticoduodenectomy-for-metastatic-pancreatic-melanoma-a-case-report
#7
Xueqing Liu, Feng Feng, Tianyang Wang, Jianzhang Qin, Xiangyan Yin, Guiqing Meng, Changqing Yan, Zhongqiang Xing, Jiayue Duan, Chen Liu, Jianhua Liu
RATIONALE: Pancreatic metastases from other malignant tumors are an uncommon clinical condition and account for approximately 2% of all pancreatic malignancies. The most common primary malignancy that metastasizes to pancreas is renal cell cancer. We reported a rare clinical case of metastatic melanoma to pancreas who underwent a successful laparoscopic pancreaticoduodenectomy (LPD) at our department. PATIENT CONCERNS: A 54-year-old Chinese man complaining an unexplained jaundice was found to have a pancreatic mass and he was diagnosed with cutaneous melanoma (CM) 6 years ago...
November 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30374897/sentinel-lymph-node-biopsy-past-and-present-implications-for-the-management-of-cutaneous-melanoma-with-nodal-metastasis
#8
REVIEW
Abel Gonzalez
Although significant progress has been made in the understanding of melanoma pathophysiology and therapy, patients with metastatic melanoma still have a poor prognosis. The management of regional nodes remains a matter of debate. By replacing elective lymph node dissection, sentinel lymph node biopsy has revolutionized the treatment of malignant melanoma. In this paper, the history of the procedure is traced, and the indication for completion lymphadenectomy after positive sentinel node biopsy is discussed in light of the recent studies that addressed this issue...
October 30, 2018: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/30363200/cutaneous-metastases-as-initial-presentation-of-malignancy
#9
Supriya Karde, Jayant Sharma, Nagabathula Ramesh, Prashant Bhand, Awanish Shukla
We describe a case of 73-year-old female who presented with dry cough, chest pain and light-headedness. On examination, multiple subcutaneous masses were noticed on the chest wall, bilateral breast, anterior abdomen and both arms. Subsequent CT-TAP and CT-brain showed multiple subcutaneous nodules in scalp, neck, anterior chest wall, breast and abdomen. A biopsy taken from breast revealed metastatic malignant melanoma; however there was no evidence of primary cutaneous malignant melanoma. We also describe a case of 72-year-old male who presented with tender mass on his lower back and posterior neck...
2018: BJR Case Reports
https://www.readbyqxmd.com/read/30362976/population-based-validation-of-the-national-cancer-comprehensive-network-recommendations-for-baseline-imaging-workup-of-cutaneous-melanoma
#10
Omar Abdel-Rahman
The aim of the current study is to assess the performance of some of the imaging scans recommended in the National Comprehensive Cancer Network Guidelines as part of baseline staging for cutaneous melanoma, regarding the detection of lung, brain, bone, and liver metastases. Surveillance, Epidemiology and End Results database (2010-2015) was used to extract the data, and cases with cutaneous melanoma and complete information about TN stages and sites of distant metastases were explored. Performance parameters assessed in the current study included positive predictive value (PPV), negative predictive value, sensitivity, specificity, number needed to investigate (NNI), and accuracy...
October 22, 2018: Melanoma Research
https://www.readbyqxmd.com/read/30323971/altered-expression-pattern-of-circular-rnas-in-metastatic-oral-mucosal-melanoma
#11
Houyu Ju, Liming Zhang, Lu Mao, Shuli Liu, Weiya Xia, Jingzhou Hu, Min Ruan, Guoxin Ren
Circular RNAs (circRNAs) are known to be associated with carcinogenesis, and can serve as potential biomarkers for cancer diagnosis and therapeutic implications. However, little is known about their expression patterns in oral mucosal melanoma (OMM), an extremely rare cancer that is distinct from cutaneous melanoma for its clinical course and prognosis. To investigate circRNAs expression profile in OMM, we performed a circRNAs microarray to analyze 6 primary OMM samples with lymph nodes dissemination, and constructed a genome-wide circRNA profile...
2018: American Journal of Cancer Research
https://www.readbyqxmd.com/read/30320090/conjunctival-metastasis-of-a-cutaneous-melanoma
#12
Niels J Brouwer, Marina Marinkovic, Anouk Jochems, Ellen W Kapiteijn, Sjoerd G van Duinen, Barbara I Haeseker, Martine J Jager, Gregorius P M Luyten
Purpose: To report a patient who presented with a conjunctival tumour as a first sign of distant metastasis of cutaneous melanoma. The patient was treated successfully with BRAF/MEK-inhibitors and anti-PD-1 antibodies. Methods: Clinical and histopathological examination of the conjunctival lesion. Results: A 74-year-old man was referred to our hospital with a pigmented conjunctival tumour, 5 months after having been diagnosed with cutaneous melanoma on his right scapula with loco-regional axillary lymph node metastases...
September 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/30303151/cutaneous-melanoma-in-childhood-presenting-as-intraparotid-lymph-node-metastasis
#13
Abhishek Kumar, Lopamudra Deka, Bharti Varshney, Hema Malini Aiyer
Cutaneous melanoma in childhood is a rare disease. Rendering a clinical diagnosis of melanoma in pediatric patients is confounded by the fact that pigmented lesions in pediatric patients do not conform to the ABCDE rules applicable to adult patients. Furthermore, making a histologic diagnosis of cutaneous melanoma in childhood is also difficult with no universally accepted criteria applicable to pediatric melanomas. We report the case of a 5-year-old child presenting with intraparotid lymph node metastasis who was later found to have melanoma involving periorbital region...
October 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/30301603/sec23a-mediates-mir-200c-augmented-oligometastatic-to-polymetastatic-progression
#14
Zhiwei Sun, Shixia Zhou, Junling Tang, Ting Ye, Jingyuan Li, Doudou Liu, Jian Zhou, Jianyu Wang, H Rosie Xing
BACKGROUND: Cancer treatment is based on tumor staging. Curative intent is only applied to localized tumors. Recent studies show that oligometastatic patients who have limited number of metastases may benefit from metastasis-directed local treatments to achieve long-term survival. However, mechanisms underlying oligometastatic to polymetastatic progression remains elusive. METHODS: The effects of miR-200c and Sec23a on tumor metastasis were verified both in vitro and in vivo...
October 6, 2018: EBioMedicine
https://www.readbyqxmd.com/read/30279148/myrtenal-induced-v-atpase-inhibition-a-toxicity-mechanism-behind-tumor-cell-death-and-suppressed-migration-and-invasion-in-melanoma
#15
Brunna Xavier Martins, Raul Ferraz Arruda, Gildeíde Aparecida Costa, Hassan Jerdy, Sávio Bastos de Souza, Julianna Maria Santos, William Rodrigues de Freitas, Milton Masahiko Kanashiro, Eulógio Carlos Queiroz de Carvalho, Nadir Francisca Sant'Anna, Fernanda Antunes, Raul Martinez-Zaguilan, Sennoune Souad, Anna Lvovna Okorokova-Façanha, Arnoldo Rocha Façanha
BACKGROUND: Metastatic tumor cells have acidic extracellular pH and differential electrochemical H+ gradients generated across their cell membranes by V-type H+ -ATPases. This study shows that inhibition of the V-ATPases by the plant-derived monoterpene Myrtenal results in tumor cell death and decreased metastatic dissemination in mice. METHODS: The Myrtenal anticancer toxicity was evaluated in vitro using murine (B16F0 and B16F10) and human (SkMel-5) melanoma cell lines, and in in vivo mouse metastatic dissemination model...
September 11, 2018: Biochimica et biophysica acta. General subjects
https://www.readbyqxmd.com/read/30264000/malignant-melanoma-of-parotid-gland-in-a-child-our-unique-experience
#16
Denish Apparau, Hema Apparau, Irfan Mohamad, Venkata Murali Krishna Bhavaraju
Malignant melanoma (MM) of parotid gland is a rare condition. This pathology is often a result of secondary metastasis from primary lesions in the head and neck skin. A MM arising de novo in parotid gland is very rare. This malignant tumour is more prevalent in adults rather than children and it tends to have several distinct features. Treatment options are limited especially for an advanced lesion. Despite best treatments this condition carries a poor prognosis. This case details our experience in treating a child with MM of parotid gland without other primary cutaneous lesions...
2018: AME case reports
https://www.readbyqxmd.com/read/30259521/a-model-for-predicting-low-probability-of-nonsentinel-lymph-node-positivity-in-melanoma-patients-with-a-single-positive-sentinel-lymph-node
#17
Neal Bhutiani, Michael E Egger, Arnold J Stromberg, Jeffrey E Gershenwald, Merrick I Ross, Prejesh Philips, Robert C G Martin, Charles R Scoggins, Kelly M McMasters
BACKGROUND: Identifying factors associated with nonsentinel lymph node (NSN) metastases in melanoma patients with a single positive sentinel lymph node (SLN) could aid decision making regarding adjuvant therapy. We describe a model for identifying patients with a single positive SLN at low risk for NSN metastasis. METHODS: Factors associated with NSN metastasis in patients with a primary cutaneous melanoma and a single positive SLN who underwent completion lymph node dissection (CLND) were identified...
November 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/30255290/role-of-simvastatin-in-tumor-lymphangiogenesis-and-lymph-node-metastasis
#18
Rui-Cheng Ji, Yuki Eshita, Takashi Kobayashi, Shinya Hidano, Naganori Kamiyama, Yasuhiko Onishi
Lymphangiogenesis plays a crucial role in promoting cancer metastasis to sentinel lymph nodes (LNs) and beyond. Increasing data have shown that simvastatin, a cholesterol-lowering medication for the prevention of cardiovascular diseases, is involved in tumor growth and dissemination, and endothelial functions. This study aimed to investigate the potential effect of simvastatin on lymphatic formation and LN metastasis. Tumor models were established by subcutaneous injection of B16-F10 melanoma cells into mouse hind footpads...
September 25, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/30248170/prognostic-value-of-low-tumor-burden-in-patients-with-melanoma
#19
REVIEW
Andrew S Poklepovic, Richard D Carvajal
The therapeutic landscape for cutaneous melanoma has dramatically advanced in the last several years with the development, validation, and approval by the US Food and Drug Administration of several new therapies that have proven effective in treating metastatic disease. Considerable effort has been put into identifying prognostic and predictive markers of therapeutic response to better delineate the patient populations most likely to benefit from treatment. Baseline tumor burden has been described as a common clinical factor associated with treatment response: lower tumor burden at the time of therapeutic intervention is associated with improved responses and survival outcomes on several therapies...
September 15, 2018: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/30244658/tumor-thickness-and-modified-clark-level-in-canine-cutaneous-melanocytic-tumors
#20
Serenella Silvestri, Ilaria Porcellato, Luca Mechelli, Laura Menchetti, Sofia Rapastella, Chiara Brachelente
Breslow thickness and Clark level are prognostic factors for human cutaneous melanomas. Breslow thickness is measured with an ocular micrometer from the top of the granular layer of the epidermis to the deepest invasive cell across the broad base of the tumor, while Clark level is based on the anatomical level of invasion through the layers of the dermis. Because of the anatomical differences between humans and dogs, we evaluated the tumor thickness and a modified Clark level in 77 canine primary cutaneous melanocytic tumors...
September 24, 2018: Veterinary Pathology
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