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https://www.readbyqxmd.com/read/29667174/impact-of-prior-cancer-history-on-the-overall-survival-of-patients-newly-diagnosed-with-cancer-a-pan-cancer-analysis-of-the-seer-database
#1
Huaqiang Zhou, Yan Huang, Zeting Qiu, Hongyun Zhao, Wenfeng Fang, Yunpeng Yang, Yuanyuan Zhao, Xue Hou, Yuxiang Ma, Shaodong Hong, Ting Zhou, Yaxiong Zhang, Li Zhang
The population of cancer survivors with prior cancer is rapidly growing. Whether a prior cancer diagnosis interferes with outcome is unknown. We conducted a pan-cancer analysis to determine the impact of prior cancer history for patients newly diagnosed with cancer. We identified 20 types of primary solid tumors between 2004 to 2008 in the Surveillance, Epidemiology, and End Results (SEER) database. Demographic and clinicopathologic variables were compared by chi-squared test and t-test as appropriate. The propensity score-adjusted Kaplan-Meier method and Cox proportional hazards models were used to evaluate the impact of prior cancer on overall survival (OS)...
April 18, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29665710/significance-of-incidental-intra-articular-and-peri-articular-fdg-avid-foci-on-pet-ct
#2
Wayne B Cohen-Levy, Juan Pretell-Mazzini, Adam D Singer, Ty Subhawong, Dylan N Greif, Jean Jose
Background Positron emission tomography/computed tomography (PET/CT) is a useful imaging adjunct in patients with sarcoma. Intra-articular and peri-articular 18F-fluoro-2-deoxy-D-glucose (FDG) avid lesions are often discovered incidentally. Purpose To describe the etiology, appearance, and standardized uptake values (SUV) of incidentally detected FDG avid intra-articular and peri-articular foci in patients with sarcoma. Material and Methods The institutional sarcoma database between November 2011 and November 2016 was retrospectively reviewed...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29664796/long-term-outcomes-with-ifosfamide-based-hypofractionated-preoperative-chemoradiotherapy-for-extremity-soft-tissue-sarcomas
#3
Joseph Daniel Pennington, Fritz C Eilber, Frederick R Eilber, Arun S Singh, Jarred P Reed, Bartosz Chmielowski, Jeffrey J Eckardt, Susan V Bukata, Nicholas M Bernthal, Noah Federman, Scott D Nelson, Sarah M Dry, Pin-Chieh Wang, Michael Luu, Michael T Selch, Michael L Steinberg, Anusha Kalbasi, Mitchell Kamrava
OBJECTIVES: The objective of this study was to analyze outcomes for patients with soft tissue sarcoma of the extremities using neoadjuvant ifosfamide-based chemotherapy and hypofractionated reduced dose radiotherapy, followed by limb-sparing surgery. MATERIALS AND METHODS: An Institutional Review Board (IRB)-approved retrospective review of patients treated at a single institution between 1990 and 2013 was performed. In total, 116 patients were identified who received neoadjuvant ifosfamide-based chemotherapy and 28 Gy in 8 fractions of preoperative radiation (equivalent dose in 2 Gray fractions, 31...
April 16, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29663974/fibrolipoma-on-a-child-s-lip-a-rare-clinical-finding
#4
Persis P Dastoor, Raju Umaji Patil, Rashmi Singh Chauhan, Sangeeta J Palaskar, Darshana Rajesh Shah
Lipoma is very common benign tumor of adipose tissue, but its presence in the oral cavity is rare. Fibrolipoma is a histological variant of lipoma that affects the buccal mucosa and nasal septum in the orofacial region and causes functional and cosmetic issues. However, this lesion has not been reported on the upper lip and may be confused with other soft tissue lesions of children. Hence, accurate histopathological examination of lipomas is important for a correct treatment plan. The purpose of this report is to describe the case of an 11-year-old boy with fibrolipoma of the upper lip...
January 15, 2018: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/29663170/racial-ethnic-disparities-and-incidence-of-malignant-peripheral-nerve-sheath-tumors-results-from-the-surveillance-epidemiology-and-end-results-program-2000-2014
#5
Erin C Peckham-Gregory, Roberto E Montenegro, David A Stevenson, David H Viskochil, Michael E Scheurer, Philip J Lupo, Joshua D Schiffman
BACKGROUND: Malignant peripheral nerve sheath tumors (MPNSTs) are rare tumors, generally high-grade, and comprise ~ 5-10% of soft tissue sarcomas. Over two-thirds of MPNSTs metastasize, and upwards of 40% clinically recur. Etiologic risk factors for MPNSTs are historically understudied. There is evidence to suggest MPNST incidence differs across racial/ethnic groups in pediatric populations. Therefore, we sought to estimate differences in MPNST incidence by race/ethnicity among all ages in the United States...
April 16, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29661810/metastases-in-prostate-cancer
#6
Federico La Manna, Sofia Karkampouna, Eugenio Zoni, Marta De Menna, Janine Hensel, George N Thalmann, Marianna Kruithof-de Julio
Prostate cancer (PCa) prognosis and clinical outcome is directly dependent on metastatic occurrence. The bone microenvironment is a favorable metastatic niche. Different biological processes have been suggested to contribute to the osteotropism of PCa such as hemodynamics, bone-specific signaling interactions, and the "seed and soil" hypothesis. However, prevalence of disseminating tumor cells in the bone is not proportional to the actual occurrence of metastases, as not all patients will develop bone metastases...
April 16, 2018: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29661713/review-with-novel-markers-facilitates-precise-categorization-of-41-cases-of-diagnostically-challenging-undifferentiated-small-round-cell-tumors-a-clinicopathologic-immunophenotypic-and-molecular-analysis
#7
Isidro Machado, Akihiko Yoshida, María Gema Nieto Morales, Lucas Faria Abrahão-Machado, Samuel Navarro, Julia Cruz, Javier Lavernia, Antonina Parafioriti, Piero Picci, Antonio Llombart-Bosch
BACKGROUND: Despite extensive immunohistochemical (IHC) and molecular studies combined with morphologic findings, a group of round/ovoid cell tumors histologically similar to Ewing sarcomas (ES) but lacking EWSR1-rearrangements may remain unclassifiable. DESIGN: We retrospectively analyzed 41 Ewing-like tumors (formalin-fixed, paraffin-embedded) previously determined as negative or non-informative for EWSR1-rearrangements by FISH and/or RT-PCR. A new histopathology revision and additional IHC and molecular analyses were carried out in order to investigate whether additional IHC and/or molecular testing in combination with the morphological findings may help in reaching a definitive diagnosis...
November 29, 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29660746/free-versus-pedicled-perforator-flaps-for-lower-extremity-reconstruction-a-multicenter-comparison-of-institutional-practices-and-outcomes
#8
Keith Koh, Terence L H Goh, Christopher Tam Song, Hyun Suk Suh, Peter V Rovito, Joon-Pio Hong, Geoffrey G Hallock
BACKGROUND:  Of all body regions, lower extremity wounds have been and remain the greatest challenge. Perforator free flaps have been accepted as a reasonable option to solve this dilemma but require the complexity of microsurgery. As a consequence, the possibility that pedicled perforator flaps could supplant even perforator free flaps has recently gained intense enthusiasm. METHODS:  A retrospective investigation was undertaken to compare the validity for the use of perforator flaps of all types at three dissimilar institutions, that is, a university, a regional center, and a community hospital...
April 16, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29660202/molecular-biomarkers-for-uterine-leiomyosarcoma-and-endometrial-stromal-sarcoma
#9
REVIEW
Hideaki Tsuyoshi, Yoshio Yoshida
Uterine leiomyosarcoma (u{\hyphen}LMS) and endometrial stromal sarcoma (ESS) are among the most frequent soft tissue sarcomas, which, in adults, lead to fatal lung metastases and have an extremely poor prognosis. Due to their rarity and heterogeneity, there are no suitable biomarkers for diagnosis and prognosis, though some biomarker candidates have appeared. Recently, The Cancer Genome Atlas (TCGA) projects dealing with u{\hyphen}LMS confirmed mutations and deletions in RB1, TP53, and PTEN. In addition, whole{\hyphen}exome sequencing of u{\hyphen}LMS has confirmed and demonstrated frequent alterations in TP53, RB1, α-thalassemia/mental retardation syndrome X-linked (ATRX), and mediator complex subunit 12 (MED12)...
April 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29659611/preoperative-evaluation-of-the-efficacy-of-radio-hyperthermo-chemotherapy-for-soft-tissue-sarcoma-in-a-case-series
#10
Hisaki Aiba, Satoshi Yamada, Jun Mizutani, Norio Yamamoto, Hideki Okamoto, Katsuhiro Hayashi, Hiroaki Kimura, Akihiko Takeuchi, Shinji Miwa, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Yoshihiro Araki, Hiroyuki Tsuchiya, Takanobu Otsuka
PURPOSE: Radio-hyperthermo-chemo (RHC) therapy, which combines radiotherapy, hyperthermia, and chemotherapy, for malignant soft tissue tumors has been introduced with the aim of decreasing the possibility of local recurrence after surgery. To avoid unnecessary neoadjuvant therapy and to plan the appropriate surgical treatment, surveillance of RHC therapeutic efficacy during treatment is necessary. In this study, we determined the optimal response criteria to evaluate the efficacy of RHC by comparing preoperative images before and after RHC with pathological evaluation of necrosis in the resected tumor...
2018: PloS One
https://www.readbyqxmd.com/read/29659384/tumor-induced-osteomalacia-caused-by-a-parotid-basal-cell-adenoma-detected-by-68ga-dotanoc-pet-ct
#11
Qiao He, Zeqing Xu, Bing Zhang, Wanming Hu, Xiangsong Zhang
Tumor-induced osteomalacia is a rare paraneoplastic syndrome, usually caused by small benign mesenchymal tumors. The tumors most arise within the extremities, whereas occurrence within the parotid gland is quite rare. A 54-year-old woman who presented with bone pain and muscle weakness for 2 years was clinically suspected of having tumor-induced osteomalacia. A Ga-DOTANOC PET/CT was performed for localization of the causative tumor. The images demonstrated intense radiotracer accumulation in a soft tissue nodule in deep lobe of the right parotid gland...
April 13, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29657686/extraskeletal-myxoid-chondrosarcoma-of-nasopharynx-an-oncologic-entity-rarely-reported
#12
Abhishek Purkayastha, Neelam Sharma, Vibha Dutta
Extraskeletal myxoid chondrosarcoma (ESMC) is an extremely rare variant of chondrosarcoma accounting for less than 10% cases. It affects mainly the soft tissues of the proximal end of long bones. Its incidence in the head and neck region is less than 5%. This case presented in the nasopharynx, an exceedingly unusual site for ESMC in a 60-year-old female with left-sided nasal obstruction and occasional epistaxis of one-year duration. Biopsy from the nasopharyngeal mass was suggestive of low-grade chondrosarcoma...
March 2018: Oman Medical Journal
https://www.readbyqxmd.com/read/29650914/-surgical-procedure-of-buccal-mucosal-carcinoma-reconstruction-of-mouth-angle
#13
Aya Yoshino, Takahiro Kanno, Masaaki Karino, Teruaki Iwahashi, Joji Sekine
Surgical resection of the buccal mucosal carcinoma often induces soft tissue defect. The treatment plan should be considered to preserve oro-facial function and morpho-esthetics. This retrospective study reports the surgical reconstruction procedures in buccal mucosal carcinoma patients. We evaluated 4 cases(2 men, 2 women, mean age: 81.8 year-old)treated in Department of Oral and Maxillofacial Surgery, Shimane University Hospital between June 2007 and January 2017. The average size of primary tumor was 4.9 cm2...
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29650898/-musculoskeletal-tumor-adjuvant-chemotherapy-for-malignant-bone-and-soft-tissue-tumors
#14
Akira Kawai
No abstract text is available yet for this article.
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29649155/efficient-active-oxygen-free-radical-generated-in-tumor-cell-by-loading-hconh%C3%A2-%C3%A2-h%C3%A2-o%C3%A2-delivery-nanosystem-with-soft-x-ray-radiotherapy
#15
Lei Xu, Yiran Shao, Chengkang Chang, Yingchun Zhu
Tumor hypoxia is known to result in radiotherapy resistance and traditional radiotherapy using super-hard X-ray irradiation can cause considerable damage to normal tissue. Therefore, formamide peroxide (FPO) with high reactive oxygen content was employed to enhance the oxygen concentration in tumor cells and increase the radio-sensitivity of low-energy soft-X-ray. To improve stability of FPO, FPO is encapsulated into polyacrylic acid (PAA)-coated hollow mesoporous silica nanoparticles (FPO@HMSNs-PAA). On account of the pH-responsiveness of PAA, FPO@HMSNs-PAA will release more FPO in simulated acidic tumor microenvironment (pH 6...
April 12, 2018: Materials
https://www.readbyqxmd.com/read/29642922/an-anterolateral-thigh-chimeric-flap-for-dynamic-facial-and-esthetic-reconstruction-after-oncological-surgery-in-the-maxillofacial-region-a-case-report
#16
Zoltán Lóderer, Tamás Vereb, Róbert Paczona, Ágnes Janovszky, József Piffkó
BACKGROUND: The surgical management of malignant tumors in the head and neck region often leads to functional and esthetic defects that impair the quality of life of the patients. Reconstruction can be solved with prostheses in these cases, but various types of microsurgical free flaps can provide a better clinical outcome. CASE PRESENTATION: In this case report, the tumor and parts of the involved facial muscles and nerve were excised surgically from a 42-year-old patient after a third relapse of basal cell carcinoma in the left midface...
April 11, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29629919/hibernoma-mimicking-atypical-lipomatous-tumor-64-cases-of-a-morphologically-distinct-subset
#17
Youssef Al Hmada, Inga-Marie Schaefer, Christopher D M Fletcher
Hibernoma is a benign adipocytic tumor with predilection for subcutaneous tissue of the thigh, upper trunk, and neck of middle-aged adults. 11q13 rearrangement resulting in MEN1/AIP codeletion is characteristic. Hibernomas are composed, in varying proportions, of brown fat cells, mature adipocytes, and microvacuolated lipoblast-like cells. Examples containing predominantly multivacuolated lipoblast-like cells are uncommon and distinction from atypical lipomatous tumor (ALT) is important for clinical management...
April 6, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29628687/megaprosthesis-versus-allograft-prosthesis-composite-for-massive-skeletal-defects
#18
REVIEW
Deepak Gautam, Rajesh Malhotra
Massive skeletal defects are encountered in the setting of tumors necessitating excision, failed total hip arthroplasty with periprosthetic bone loss, periprosthetic fracture, complex trauma, multiple failed osteosynthesis and infection. Reconstruction of the segmental defects poses a tremendous challenge to the orthopaedic surgeons. The goal of osseous reconstruction of these defects is to restore the bone length and function. Currently the most commonly employed methods for reconstruction are either a megaprosthesis or an Allograft Prosthesis Composite (APC)...
January 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29627288/multiparametric-whole-body-mri-with-diffusion-weighted-imaging-and-adc-mapping-for-the-identification-of-visceral-and-osseous-metastases-from-solid-tumors
#19
Michael A Jacobs, Katarzyna J Macura, Atif Zaheer, Emmanuel S Antonarakis, Vered Stearns, Antonio C Wolff, Thorsten Feiweier, Ihab R Kamel, Richard L Wahl, Li Pan
RATIONALE AND OBJECTIVES: The purpose of this study was to investigate the use of multiparametric, whole-body, diffusion-weighted imaging (WB-DWI) and apparent diffusion coefficient (ADC) maps with T2 -weighted magnetic resonance imaging (MRI) at 3T for the detection and monitoring of metastatic disease in patients. MATERIALS AND METHODS: Fifty-four participants (32 healthy subjects and 22 patients) were scanned with WB-DWI methods using a 3T MRI scanner. Axial, sagittal, or coronal fat-suppressed T2 -weighted (T2 WI), T1 -weighted (T1 WI), and DWI images were acquired...
April 4, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29626599/expanding-the-histomorphologic-spectrum-of-tfe3-rearranged-pecomas
#20
Nolan Maloney, Krinio Giannikou, Joel Lefferts, Julia A Bridge, Konstantinos Linos
Perivascular epithelioid tumors (PEComas) are a family of mesenchymal neoplasms that have smooth muscle and melanocytic differentiation. They can be sporadic or associated with Tuberous Sclerosis Complex and commonly present in the kidney as angiomyolipoma or in the lung as pulmonary clear cell sugar tumors or lymphangioleiomyomatosis. However, they can present at any visceral or soft tissue site. They usually have a benign clinical course, but rarely can behave in a malignant fashion. Most PEComas demonstrate abnormalities of TSC2, but a recently described subset harbor TFE3 rearrangements that appear to be mutually exclusive of TSC2 alterations...
April 4, 2018: Human Pathology
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