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https://www.readbyqxmd.com/read/29350109/tertiary-care-experience-of-sorafenib-in-the-treatment-of-progressive-radioiodine-refractory-differentiated-thyroid-carcinoma-a-korean-multicenter-study
#1
Mijin Kim, Tae Hyuk Kim, Dong Yeob Shin, Dong-Jun Lim, Eui Young Kim, Won Bae Kim, Jae Hoon Chung, YoungKee Shong, Bo Hyun Kim, Won Gu Kim
BACKGROUND: Sorafenib, a multi-kinase inhibitor, is approved for the treatment of patients with radioactive iodine (RAI)-refractory differentiated thyroid cancer (DTC). In this study, we evaluated the efficacy and safety of sorafenib in real-world clinical practice and compared the results with those of the DECISION trial. We also evaluated the clinical features associated with better clinical outcomes after sorafenib treatment. METHODS: This multicenter, retrospective cohort study evaluated 98 patients with progressive RAI-refractory DTC who were treated with sorafenib in six tertiary hospitals in Korea...
January 19, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29344820/metastases-from-distant-primary-tumours-on-the-head-and-neck-clinical-manifestation-and-diagnostics-of-91-cases
#2
Sven Holger Baum, Christopher Mohr
PURPOSE: The aim of this study was to evaluate which primary tumours metastasize on the head and neck region, identify the kind of clinical manifestation, the types of diagnostics that should be performed, and prove that the therapy appears possible and useful. PATIENTS: As many as 91 patients with a distant metastasis on the head and neck were enrolled in this retrospective clinical study from January 2004 to September 2016. All the patients were evaluated for clinical symptoms, primary tumour, localization, diagnostics, and surgical procedure...
January 17, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29337176/comparison-of-the-diagnostic-performances-of-ultrasonography-ct-and-fine-needle-aspiration-cytology-for-the-prediction-of-lymph-node-metastasis-in-patients-with-lymph-node-dissection-of-papillary-thyroid-carcinoma-a-retrospective-cohort-study
#3
Na Lae Eun, Eun Ju Son, Jeong-Ah Kim, Hye Mi Gweon, Jung-Hyun Kang, Ji Hyun Youk
PURPOSE: To evaluate the diagnostic performances of ultrasonographic (US) findings, computed tomography (CT) findings and fine needle aspiration cytology (FNAC) for the prediction of cervical lymph node (LN) metastases of papillary thyroid carcinoma (PTC) to determine which LN should be dissected. METHODS: 376 LNs in 302 patients who underwent both US-guided skin surface LN markings and CT before LN dissection were analyzed retrospectively. Indications for LN dissection were suspicious US findings of LN metastases (n = 300), suspicious CT findings (n = 67) or surgeon's request (n = 9)...
January 11, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29332704/cutaneous-squamous-cell-carcinoma-incidence-risk-factors-diagnosis-and-staging
#4
REVIEW
Syril Keena T Que, Fiona O Zwald, Chrysalyne D Schmults
Cutaneous squamous cell carcinoma (cSCC), a malignant proliferation of cutaneous epithelium, represents 20% to 50% of skin cancers. Although the majority of cSCCs are successfully eradicated by surgical excision, a subset of cSCC possesses features associated with a higher likelihood of recurrence, metastasis, and death. The proper identification of these aggressive cSCCs can guide additional work-up and management. In the first article in this continuing medical education series, we discuss the incidence, recurrence rates, mortality rates, and risk factors associated with cSCC and review the staging systems used to stratify patients into high- and low-risk groups...
February 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29299514/percutaneous-gastrostomy-site-metastasis-from-head-and-neck-tumors-a-single-institution-case-series
#5
James S Metkus, David Cognetti, Joseph Curry
Objectives: Head and neck cancer (HNC) patients often require percutaneous gastrostomy (PEG) tube placement due to malnutrition and dysphagia. While beneficial, PEG tube placement can cause a rare but reportable complication of metastasis of the original tumor to the gastrostomy exit site. The objectives of this case series were to present HNC patients at a single institution that developed PEG tube metastases, their subsequent treatment, and review of the literature for similar cases...
December 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29297550/demographic-and-clinical-profile-of-oral-squamous-cell-carcinoma-from-a-service-based-population
#6
Alessandro Menna Alves, Marcos Britto Correa, Karine Duarte da Silva, Lenita Maria Aver de Araújo, Ana Carolina Uchoa Vasconcelos, Ana Paula Neutzling Gomes, Adriana Etges, Sandra Beatriz Chaves Tarquinio
The aim of this study was to evaluate the demographic and clinical profile of the oral squamous cells carcinoma (OSCC) cases registered in a center of oral diagnosis in southern Brazil. Eight hundred and six individuals with OSCC from 1959 to 2012 were included in this study. The variables recorded were: sex, age, occupation according to workplace, alcohol and tobacco consumption, skin color, tumor location, histological type, clinical appearance, size, evolution time, presence of pain and lymph node metastasis...
May 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29279714/metastatic-basal-cell-carcinoma-a-rare-manifestation-of-a-common-disease
#7
Paola Piva de Freitas, César Galusni Senna, Mayara Tabai, Carlos Takahiro Chone, Albina Altemani
Introduction: Basal cell carcinoma (BCC) is considered the most common malignancy in Caucasians. It constituted about 80% of all nonmelanoma skin tumors and, despite its high prevalence, is an extremely rare occurrence of metastases, with incidence rates varying from 0.0028% to 0.55%. Case Report: A 58-year-old male patient with BCC on the left nasolabial sulcus for 17 years, reporting 3 previous excisions, evolved with local recurrence. A new procedure was performed, and anatomopathological study confirmed sclerosing BCC...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/29261005/efficacy-and-safety-of-apatinib-monotherapy-in-advanced-bone-and-soft-tissue-sarcoma-an-observational-study
#8
Baorang Zhu, Jing Li, Qiaosheng Xie, Liyan Diao, Lvhua Gai, Wuwei Yang
Sarcomas are rare but malignant tumors with high risks of local recurrence and distant metastasis. Anti-angiogenic therapy is a potential strategy against un-controlled and not-organized tumor angiogenesis. We aimed to assess the safety and efficacy of apatinib, an oral tyrosine kinase inhibitor targeting vascular endothelial growth factor receptor-2, in patients with advanced sarcoma. Thirty-one patients who received initial apatinib between September 2015 and August 2016 were retrospectively reviewed. Among them, 19 (61...
December 20, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29260729/characterization-of-the-first-rf-coil-dedicated-to-1-5-t-mr-guided-radiotherapy
#9
Stan Jelle Hoogcarspel, Stefan Emiel Zijlema, Rob H N Tijssen, Linda G W Kerkmeijer, Ina M Juergenliemk-Schulz, Jan J W Lagendijk, Bas W Raaymakers
The purpose of this study is to investigate the attenuation characteristics of a novel RF coil, which is the first coil that is solely dedicated to MR guided radiotherapy with an 1.5T MR-linac. Additionally, we investigated the impact of the treatment beam on the MRI performance of this RF coil. First, the attenuation characteristics of the RF coil were characterized. Second, we investigated the impact of the treatment beam on the MRI performance of the RF coil. We additionally demonstrated the ability of the anterior coil to attenuate returning electrons and thereby reducing the dose to the skin at the distal side of the treatment beam...
December 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29245346/two-independent-incidences-of-skin-metastases-in-the-umbilicus-and-abdominal-wall-in-ovarian-serous-adenocarcinoma-a-case-report-and-review-of-the-literature
#10
Hongyan Cheng, Chunmei Gao, Runtong Zhang, Zhaojie Yang, Guiyu Zhang
RATIONALE: Advanced ovarian cancer is usually associated with intra-abdominal metastases and while it commonly spreads directly to the omentum, intestine, liver, or other organs, it can also metastasize through the lymphatic channels and the hematogenous pathway. With an increasing number of invasive operations being performed with chemoradiotherapy, the incidence of extra-abdominal metastases has risen. Nevertheless, ovarian cancer with skin metastases is quite rare. PATIENT CONCERNS: We report a case of ovarian cancer with two independent incidences of skin metastases in the umbilicus and abdominal wall...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29241101/marjolin-s-ulcer-in-a-20-years-old-split-thickness-skin-graft-on-the-knee-a-case-report
#11
Iselin Saltvig, Steen H Matzen
OBJECTIVE: Marjolin's Ulcer (MU) is a rare cutaneous neoplasm arising in cikatrical tissue. Due to its typical clinical presentation as a non-healing lesion in scar tissue, the diagnosis can be delayed and even overlooked. METHODS AND RESULTS: We present the case of an elderly woman who developed an ulcerated, exophytic lesion in a split thickness skin graft (STSG) on the lateral aspect of the left knee. Histology showed a radically excised highly differentiated squamous cell carcinoma (SCC) with keratine pearls and a component of basocellular carcinoma (BCC)...
December 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29235375/chitosan-nanoparticles-loaded-hydrogels-promote-skin-wound-healing-through-the-modulation-of-reactive-oxygen-species
#12
Tao Wang, Yan Zheng, Yaping Shen, Yijie Shi, Fang Li, Chang Su, Liang Zhao
This study developed a novel bioactive chitosan nanoparticle loaded calcium alginate hydrogel to regulate inflammation and neovascularization for accelerated wound healing in vivo. It was found that chitosan nanoparticles loaded calcium alginate hydrogel exhibited remarkable antibacterial activity. Through the modulation of generation of ROS, it promoted the synthesis and secretion of IL-6 in vascular endothelial cell (VEC), suggesting its potential proinflammatory activation. Further, it promoted VEC invasion, metastasis and neovascularization to accelerate wound healing...
December 13, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29233453/cytological-diagnosis-of-a-rare-case-of-cutaneous-metastasis-from-transitional-cell-carcinoma-renal-pelvis
#13
Pragya Singh, Sachin Kolte, Gunjesh Kumar Singh
Transitional cell carcinoma (TCC) arising from renal pelvis rarely gives rise to cutaneous metastasis. Due to the insufficient literature, the exact incidence is not known till date. Moreover, the diagnosis is confirmed on histopathological examination with the aid of immunohistochemistry wherever needed. We are presenting a case of a 70-year-old female with metastatic TCC from the renal pelvis to the abdominal skin, which was diagnosed on cytology alone along with the cell block preparation. We also highlight the important cytomorphological and immunohistochemical features noted, which need to be known to avoid any diagnostic delay...
December 7, 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/29230130/periampullary-carcinoma-unusual-sites-of-metastasis
#14
Anju Bansal, Varsha Dalal, Manveen Kaur, Fouzia Siraj
Background: Periampullary neoplasms include carcinomas of the duodenum, ampulla of Vater, distal common bile duct, and pancreas. The aggressive course of these neoplasms is attributable to the delay in diagnosis, as patients have no symptoms until advanced stages of the disease. More than half of patients have distant metastasis at the time of diagnosis. The most frequent sites of metastasis are the liver, lymph nodes, peritoneum, lung, bone, kidney, and, rarely the skin. Case Report: We report the case of a 45-year-old female patient with adenocarcinoma of the ampulla of Vater metastasizing to the right parietal skull with overlying cutaneous involvement 1 year after a Whipple procedure...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29229574/merkel-cell-carcinoma-an-update-and-review-part-1-pathogenesis-diagnosis-and-staging
#15
REVIEW
Kathleen Coggshall, Tiffany L Tello, Jeffrey P North, Siegrid S Yu
Merkel cell carcinoma (MCC) is an uncommon primary cutaneous neuroendocrine cancer. It most commonly presents as an indurated plaque or nodule on sun-damaged skin in elderly patients and is characterized by high rates of local recurrence and nodal metastasis. Survival at five years is 51% for local disease and as low as 14% for distant disease, which underscores the aggressive nature of this tumor and challenges in management. Advances in immunology and molecular genetics have broadened our understanding of the pathophysiology of MCC and expanded our therapeutic arsenal...
December 8, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29202490/-metastasation-of-cutaneous-squamous-cell-carcinoma-in-the-ent-area
#16
Alexander Dellweg, Thomas Mantei
Objectives Our aim was to investigate the metastasis behavior and its prognostic Factor for Survival, with our clinical data. Materials and methods This retrospective study included 29 Caucasians, with a squamous cell carcinoma of the skin in the head and neck region, at our tertiary clinic between 2004 and 2016. All Patients received a Tumorresection and Neckdissection. We used either Ultrasound or Computer-Tomography (conventional or PET-CT) for our preoperative Staging and the Follow-up. The Patients were classified according to metastatic behavior and the corresponding survival rates were determined...
December 4, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/29196555/ral-gtpases-biology-and-potential-as-therapeutic-targets-in-cancer
#17
REVIEW
Chao Yan, Dan Theodorescu
More than a hundred proteins comprise the RAS superfamily of small GTPases. This family can be divided into RAS, RHO, RAB, RAN, ARF, and RAD subfamilies, with each shown to play distinct roles in human cells in both health and disease. The RAS subfamily has a well-established role in human cancer with the three genes, HRAS, KRAS, and NRAS being the commonly mutated in tumors. These RAS mutations, most often functionally activating, are especially common in pancreatic, lung, and colorectal cancers. Efforts to inhibit RAS and related GTPases have produced inhibitors targeting the downstream effectors of RAS signaling, including inhibitors of the RAF-mitogen-activated protein kinase/extracellular signal-related kinase (ERK)-ERK kinase pathway and the phosphoinositide-3-kinase-AKT-mTOR kinase pathway...
January 2018: Pharmacological Reviews
https://www.readbyqxmd.com/read/29194742/highly-variable-clinical-feature-and-course-of-aggressive-digital-papillary-adenocarcinoma
#18
Kenji Yokota, Michihiro Kono, Kazue Shimizu, Akihiro Sakakibara, Masashi Akiyama
Aggressive digital papillary adenocarcinoma (ADPA) is a rare cutaneous tumor with sweat gland differentiation. Due to the high risk of local recurrence and delayed metastasis, the wide local resection of the primary lesion and long-term follow up are recommended for ADPA. Here, we report two cases of ADPA. Case 1 had a blue-gray nodule on the tip of the right middle finger. Case 2 had had a papule on the dorsal side of the left ring finger for 13 years. In both cases, papillary proliferations of the tumor cells showed multilobular adenomatous structures with back-to-back patterns characteristic of ADPA...
November 30, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/29194700/metastatic-laryngeal-large-cell-neuroendocrine-carcinoma-a-rare-case-of-presentation-and-extreme-tumor-burden
#19
Andrew Dunn, Brannon G Broadfoot, Jennifer Hunt, Jennifer R Kaley, Omar Atiq, Narendra B Gutta, Xiaofei Wang, Jerad M Gardner, Sara C Shalin
Large cell neuroendocrine carcinoma (LCNEC) of the larynx is an aggressive form of neuroendocrine carcinoma that affects smokers at an average age of 60 years. LCNEC is characterized by large cells with round to ovoid nuclei distributed in a trabecular or nested growth pattern. Previously, laryngeal LCNEC and atypical carcinoid tumors were considered identical; however, laryngeal LCNEC has been shown to have higher mitotic rates and worse prognosis, which has led to laryngeal LCNEC's being separated from atypical carcinoid and classified as a poorly differentiated neuroendocrine carcinoma in the most recent World Health Organization classification...
December 1, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29180096/differentiating-merkel-cell-carcinoma-of-lymph-nodes-without-a-detectable-primary-skin-tumor-from-other-metastatic-neuroendocrine-carcinomas-the-electhip-criteria
#20
Thibault Kervarrec, Julia Zaragoza, Pauline Gaboriaud, Amélie Le Gouge, Agnès Beby-Defaux, Yannick Le Corre, Eva Hainaut-Wierzbiecka, Francois Aubin, Guido Bens, Patrick Michenet, Hervé Maillard, Antoine Touzé, Mahtab Samimi, Serge Guyétant
BACKGROUND: Merkel cell carcinoma MCC) can present as a cutaneous tumor or a lymph node without primary tumor MCCWP). MCCWP can be misinterpreted on histologic examination as lymph node metastasis LNM) from other neuroendocrine carcinomas LNMNECs). However, this distinction is crucial for therapeutic management. OBJECTIVE: To determine the discriminative criteria for differential diagnosis between MCCWP, LNM from cutaneous MCC and LNMNECs. METHODS: Clinical, morphologic, immunohistochemical data expression of cytokeratin AE1/AE3, 7, 19, 20; chromogranin A, thyroid transcription factor-1 [TTF-1]) and presence of Merkel Cell Polyomavirus MCPyV) immunohistochemistry and PCR) were compared in patients with MCCWP n=17), LNM from cutaneous MCC n=11) and LNMNEC n=20: lung, n=8; thyroid, n=7; digestive tract, n=3; other, n=2)...
November 24, 2017: Journal of the American Academy of Dermatology
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