keyword
https://read.qxmd.com/read/37689989/prediction-of-nonsentinel-lymph-node-metastasis-in-acral-melanoma-with-positive-sentinel-lymph-nodes
#1
JOURNAL ARTICLE
XinYi Lin, Wei Sun, Min Ren, Yu Xu, ChunMeng Wang, WangJun Yan, YunYi Kong, Charles M Balch, Yong Chen
BACKGROUND: Metastasis in a nonsentinel lymph node (non-SLN) is an unfavorable independent prognostic factor in cutaneous melanoma (CM). Recent data did suggest potential value of completion lymph node dissection (CLND) in CM patients with non-SLN metastasis. Prediction of non-SLN metastasis assists clinicians in deciding on adjuvant therapy without CLND. We analyzed risk factors and developed a prediction model for non-SLN status in acral melanoma (AM). METHODS: This retrospective study enrolled 656 cases of melanoma who underwent sentinel lymph node biopsy at Fudan University Shanghai Cancer Center from 2009 to 2017...
September 10, 2023: Journal of Surgical Oncology
https://read.qxmd.com/read/37458131/close-distal-margin-is-associated-with-locoregional-rectal-cancer-recurrence-a-multicenter-study
#2
JOURNAL ARTICLE
Christopher J Varlamos, Brandy Sinco, Inga Van Weiren, Scott Regenbogen, Adriana C Gamboa, Matthew Silviera, Sherif R Z Abdel-Misih, Alexander T Hawkins, Glen Balch, Samantha Hendren
BACKGROUND AND OBJECTIVES: The importance of the radial margin for rectal cancer resection is well understood. However, surgeons have deemphasized the distal margin, accepting very close distal margins to perform sphincter-preserving surgery. We hypothesized that distal margins < 1 cm would be an independent risk factor for locoregional recurrence. The objective was to determine whether close distal margins are associated with increased locoregional recurrence risk...
July 17, 2023: Journal of Surgical Oncology
https://read.qxmd.com/read/33214090/endoscopic-balloon-dilation-of-colorectal-strictures-complicating-crohn-s-disease-a-multicenter-study
#3
JOURNAL ARTICLE
Marion Tilmant, Mélanie Serrero, Florian Poullenot, Guillaume Bouguen, Benjamin Pariente, Romain Altwegg, Paul Basile, Jérôme Filippi, Pierre Vanelslander, Anthony Buisson, Ariane Desjeux, David Laharie, Eric Le Balch, Maria Nachury, Lucile Boivineau, Guillaume Savoye, Xavier Hebuterne, Laurent Poincloux, Lucine Vuitton, Franck Brazier, Clara Yzet, Adnane Lamrani, Laurent Peyrin-Biroulet, Mathurin Fumery
INTRODUCTION: While endoscopic balloon dilation (EBD) is widely used to manage ileal strictures, EBD of colorectal strictures remains poorly investigated in Crohn's disease (CD). METHODS: We performed a retrospective study that included all consecutive CD patients who underwent EBD for native or anastomotic colorectal strictures in 9 tertiary centers between 1999 and 2018. Factors associated with EBD failure were also investigated by logistic regression. RESULTS: Fifty-seven patients (25 women, median age: 36 years (InterQuartile Range, 31-48) were included...
November 16, 2020: Clinics and Research in Hepatology and Gastroenterology
https://read.qxmd.com/read/32869144/revisiting-the-value-of-drains-after-low-anterior-resection-for-rectal-cancer-a-multi-institutional-analysis-of-996-patients
#4
JOURNAL ARTICLE
Rachel M Lee, Adriana C Gamboa, Michael K Turgeon, Sanjana Prasad, Gifty Kwakye, Maryam Mohammed, Jennifer Holder-Murray, Sherif Abdel-Misih, Charles Kimbrough, Mosope Soda, Alexander T Hawkins, William C Chapman, Matthew Silviera, Shishir K Maithel, Glen Balch
BACKGROUND: Intraoperative pelvic drains are often placed during low anterior resection (LAR) to evacuate postoperative fluid collections and identify/control potential anastomotic leaks. Our aim was to assess the validity of this practice. METHODS: Patients from the US Rectal Cancer Consortium (2007-2017) who underwent curative-intent LAR for a primary rectal cancer were included. Patients were categorized as receiving a closed suction drain intraoperatively or not...
August 2021: Journal of Gastrointestinal Surgery
https://read.qxmd.com/read/30923433/treatment-of-stage-i-hard-palate-cancer-with-high-dose-rate-brachytherapy-using-molds-cost-based-perspective
#5
JOURNAL ARTICLE
Kranti Kiran Reddy Ealla, Sri Krishna C Prakash, Prasanna Manidanappanavar, Sowmya Katthuri, Keerthika Gurram, Thakur Kshatri Shyamilee
Introduction: Treatment of T1N0M0 (T1 = greatest tumor size < 2 cm, N0 = regional lymph nodes not palpable by clinical examination, M0 = No evidence of distant metastasis) (Green FL, Page DL, Fleming ID, Fritz AG, Balch CM, Haller DG, Morrow M. AJCC Cancer Staging Manual. New York: Springer; 2002) lesions of hard palate carcinoma by radiotherapy carries equal results with the advantage of cosmesis and can avoid surgical complications. External beam radiotherapy (EBRT) will last for 6-8 weeks...
February 2019: Journal of Pharmacy & Bioallied Sciences
https://read.qxmd.com/read/26316879/on-the-competition-among-aerosol-number-size-and-composition-in-predicting-ccn-variability-a-multi-annual-field-study-in-an-urbanized-desert
#6
E Crosbie, J-S Youn, B Balch, A Wonaschütz, T Shingler, Z Wang, W C Conant, E A Betterton, A Sorooshian
A 2-year data set of measured CCN (cloud condensation nuclei) concentrations at 0.2 % supersaturation is combined with aerosol size distribution and aerosol composition data to probe the effects of aerosol number concentrations, size distribution and composition on CCN patterns. Data were collected over a period of 2 years (2012-2014) in central Tucson, Arizona: a significant urban area surrounded by a sparsely populated desert. Average CCN concentrations are typically lowest in spring (233 cm(-3)), highest in winter (430 cm(-3)) and have a secondary peak during the North American monsoon season (July to September; 372 cm(-3))...
February 10, 2015: Atmospheric Chemistry and Physics
https://read.qxmd.com/read/25112575/effects-of-molecular-weight-on-the-diffusion-coefficient-of-aquatic-dissolved-organic-matter-and-humic-substances
#7
JOURNAL ARTICLE
J Balch, C Guéguen
In situ measurements of labile metal species using diffusive gradients in thin films (DGT) passive samplers are based on the diffusion rates of individual species. Although most studies have dealt with chemically isolated humic substances, the diffusion of dissolved organic matter (DOM) across the hydrogel is not well understood. In this study, the diffusion coefficient (D) and molecular weight (MW) of 11 aquatic DOM and 4 humic substances (HS) were determined. Natural, unaltered aquatic DOM was capable of diffusing across the diffusive gel membrane with D values ranging from 2...
January 2015: Chemosphere
https://read.qxmd.com/read/24084924/axillary-node-interventions-in-breast-cancer-a-systematic-review
#8
REVIEW
Roshni Rao, David Euhus, Helen G Mayo, Charles Balch
IMPORTANCE: Recent data from clinical trials have challenged traditional thinking about axillary surgery in patients with breast cancer. OBJECTIVES: To summarize evidence regarding the role of axillary interventions (surgical and nonsurgical) in breast cancer treatment and to review the association of these axillary interventions with recurrence of axillary node metastases, mortality, and morbidity outcomes in patients with breast cancer. EVIDENCE REVIEW: Ovid MEDLINE (1946-July 2013), Cochrane Database of Systematic Reviews (2005-July 2013), Cochrane Database of Abstracts of Reviews of Effects (1994-July 2013), and Cochrane Central Register of Controlled Trials (1989-July 2013) were searched for publications on axillary interventions in breast cancer...
October 2, 2013: JAMA
https://read.qxmd.com/read/23610167/effects-of-high-frequency-understorey-fires-on-woody-plant-regeneration-in-southeastern-amazonian-forests
#9
JOURNAL ARTICLE
Jennifer K Balch, Tara J Massad, Paulo M Brando, Daniel C Nepstad, Lisa M Curran
Anthropogenic understorey fires affect large areas of tropical forest, yet their effects on woody plant regeneration post-fire remain poorly understood. We examined the effects of repeated experimental fires on woody stem (less than 1 cm at base) mortality, recruitment, species diversity, community similarity and regeneration mode (seed versus sprout) in Mato Grosso, Brazil. From 2004 to 2010, forest plots (50 ha) were burned twice (B2) or five times (B5), and compared with an unburned control (B0). Stem density recovered within a year after the first burn (initial density: 12...
June 5, 2013: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://read.qxmd.com/read/19821334/surgical-excision-margins-for-primary-cutaneous-melanoma
#10
REVIEW
Michael J Sladden, Charles Balch, David A Barzilai, Daniel Berg, Anatoli Freiman, Teenah Handiside, Sally Hollis, Marko B Lens, John F Thompson
BACKGROUND: Cutaneous melanoma accounts for 75% of skin cancer deaths. Standard treatment is surgical excision with a safety margin some distance from the borders of the primary tumour. The purpose of the safety margin is to remove both the complete primary tumour and any melanoma cells that might have spread into the surrounding skin.Excision margins are important because there could be trade-off between a better cosmetic result but poorer long-term survival if margins become too narrow...
2009: Cochrane Database of Systematic Reviews
https://read.qxmd.com/read/18923874/nipple-sparing-mastectomy-critical-assessment-of-51-procedures-and-implications-for-selection-criteria
#11
JOURNAL ARTICLE
Anna M Voltura, Theodore N Tsangaris, Gedge D Rosson, Lisa K Jacobs, Jaime I Flores, Navin K Singh, Pedram Argani, Charles M Balch
BACKGROUND: Retrospective studies have shown that occult nipple-areolar complex (NAC) involvement in breast cancer is low, occurring in 6-10% of women undergoing skin-sparing mastectomy (SSM). The cosmetic result and high patient satisfaction of nipple-sparing mastectomy (NSM) has prompted further evaluation of the oncologic safety of this procedure. METHODS: We conducted a retrospective chart review of 36 self-selected patients who underwent 51 NSM procedures between 2002 and 2007...
December 2008: Annals of Surgical Oncology
https://read.qxmd.com/read/17985188/the-role-of-ultrasound-guided-fine-needle-aspiration-of-axillary-nodes-in-the-staging-of-breast-cancer
#12
JOURNAL ARTICLE
Ajay Jain, Mary Ellen Haisfield-Wolfe, Julie Lange, Nita Ahuja, Nagi Khouri, Theodore Tsangaris, Zhe Zhang, Charles Balch, Lisa K Jacobs
BACKGROUND: As a complement to sentinel node dissection (SLND), we evaluated ultrasound-guided fine-needle aspiration (USFNA) of normal and abnormal axillary nodes in breast cancer patients. We hypothesized that USFNA would be accurate for primary breast tumors larger than 2 cm. METHODS: We retrospectively reviewed 68 patients who underwent 69 preoperative USFNAs from 2003 to 2005. The results of 65 preoperative USFNA were compared with the results of SLND or axillary node dissection (ALND) for concordance...
February 2008: Annals of Surgical Oncology
https://read.qxmd.com/read/16594208/fibrosarcoma-over-the-tarsal-groove-of-a-14-month-old-quarter-horse
#13
JOURNAL ARTICLE
M R Story, E M Gaughan, G A Andrews, S Balch
A 14-month-old male Quarter horse was presented for evaluation of a grade 3 out of 5 (grade 0 = sound; grade 5 = non-weight bearing) right rear lameness. A firm, 8 x 16 cm mass was palpable at the caudal medial aspect of the distal tibia and proximal tarsal region of the right hind limb. A percutaneous needle aspirate contained mesenchymal cells that were moderate to large in size with single, oblong nuclei. Differential diagnoses included fibrous hyperplasia, fibroma, or well-differentiated fibrosarcoma. Excisional biopsy for both definitive diagnosis and treatment was offered and selected by the owner...
2005: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://read.qxmd.com/read/14552626/orange-luminescence-and-structural-properties-of-three-isostructural-halocyclohexylisonitrilegold-i-complexes
#14
JOURNAL ARTICLE
Rochelle L White-Morris, Marilyn M Olmstead, Alan L Balch, O Elbjeirami, Mohammad A Omary
The preparation of three isonitrile complexes (CyNC)Au(I)Cl, (CyNC)Au(I)Br, and (CyNC)Au(I)I, along with their structural and spectral characterization, are reported. X-ray crystal structures reveal that these crystallize in the same space group and have closely related structures. The structures involve pleated chains of linear, two-coordinate monomers that are arranged in a head-tail fashion. However, these chains vary significantly in the degree of aurophilic interactions among the individual molecules. Thus, (CyNC)Au(I)Cl forms infinite chains with alternating Au...
October 20, 2003: Inorganic Chemistry
https://read.qxmd.com/read/11982507/surgical-margins-for-melanoma-is-2-cm-too-much
#15
EDITORIAL
Charles M Balch
No abstract text is available yet for this article.
April 2002: ANZ Journal of Surgery
https://read.qxmd.com/read/11670809/novel-square-arrangements-in-tetranuclear-and-octanuclear-iron-iii-complexes-with-asymmetric-iron-environments-created-by-the-unsymmetric-bridging-ligand-n-n-n-tris-n-methyl-2-benzimidazolylmethyl-n-methyl-1-3-diamino-2-propanol
#16
Joe H. Satcher, Marilyn M. Olmstead, Michael W. Droege, Sean R. Parkin, Bruce C. Noll, Leopold May, Alan L. Balch
The synthesis and characterization of novel tetranuclear and octanuclear iron(III) complexes with structures based on a nearly square arrangement of four iron ions are reported. Reaction of ferric nitrate, sodium acetate, and the unsymmetrical binucleating ligand HBMDP, where HBMDP is N,N,N'-tris((N-methyl)-2-benzimidazolylmethyl)-N'-methyl-1,3-diamino-2-propanol, in acetone/water yields the tetranuclear iron complex [Fe(4)(&mgr;-O)(2)(&mgr;-BMDP)(2)(&mgr;-OAc)(2)](4+), which exhibits coordination number asymmetry...
December 28, 1998: Inorganic Chemistry
https://read.qxmd.com/read/11258773/long-term-results-of-a-prospective-surgical-trial-comparing-2-cm-vs-4-cm-excision-margins-for-740-patients-with-1-4-mm-melanomas
#17
RANDOMIZED CONTROLLED TRIAL
C M Balch, S J Soong, T Smith, M I Ross, M M Urist, C P Karakousis, W J Temple, M C Mihm, R L Barnhill, W R Jewell, H J Wanebo, R Desmond
BACKGROUND: The Intergroup Melanoma Surgical Trial began in 1983 to examine the optimal surgical margins of excision for primary melanomas of intermediate thickness (i.e., 1-4 mm). There is now a median 10-year follow-up. METHODS: There were two cohorts entered into a prospective multi-institutional trial: (1) 468 patients with melanomas on the trunk or proximal extremity who randomly received a 2 cm or 4 cm radial excision margin and (2) 272 patients with melanomas on the head, neck, or distal extremities who received a 2 cm radial excision margin...
March 2001: Annals of Surgical Oncology
https://read.qxmd.com/read/8876886/local-recurrence-in-malignant-melanoma-long-term-results-of-the-multiinstitutional-randomized-surgical-trial
#18
RANDOMIZED CONTROLLED TRIAL
C P Karakousis, C M Balch, M M Urist, M M Ross, T J Smith, A A Bartolucci
BACKGROUND: In the past, radical margins of excision were prescribed for cutaneous melanoma based on preconceived notions rather than on hard clinical evidence. METHODS: In a prospective study of 742 patients with intermediate-thickness melanoma (1-4 mm), 470 patients with trunk or proximal extremity lesions were randomized into a 2- or 4-cm margin. Patients with distal extremity or head and neck lesions (n = 272) received uniformly a 2-cm margin. RESULTS: The overall rate of local recurrence was 3...
September 1996: Annals of Surgical Oncology
https://read.qxmd.com/read/8373269/efficacy-of-2-cm-surgical-margins-for-intermediate-thickness-melanomas-1-to-4-mm-results-of-a-multi-institutional-randomized-surgical-trial
#19
RANDOMIZED CONTROLLED TRIAL
C M Balch, M M Urist, C P Karakousis, T J Smith, W J Temple, K Drzewiecki, W R Jewell, A A Bartolucci, M C Mihm, R Barnhill
BACKGROUND: A prospective, multi-institutional, randomized surgical trial involving 486 localized melanoma patients was conducted to determine whether excision margins for intermediate-thickness melanomas (1.0 to 4.0 mm) could be safely reduced from the standard 4-cm radius. METHODS: Patients with 1- to 4-mm-thick melanomas on the trunk or proximal extremities were randomly assigned to receive either a 2- or 4-cm surgical margin. RESULTS: The median follow-up time was 6 years...
September 1993: Annals of Surgery
https://read.qxmd.com/read/7666095/prognostic-value-of-size-of-lymph-node-metastases-in-patients-with-cutaneous-melanoma
#20
JOURNAL ARTICLE
A C Buzaid, L A Tinoco, D Jendiroba, Z N Tu, J J Lee, S S Legha, M I Ross, C M Balch, R S Benjamin
PURPOSE: To determine the prognostic significance of the size of the lymph node mass as measured by physical examination (PE) and of the size of the largest node measured by pathologic analysis (path) in patients with cutaneous melanoma and nodal metastases. PATIENTS AND METHODS: The medical records of all patients with nodal metastases seen at The University of Texas M.D. Anderson Cancer Center from January 1, 1973 to December 31, 1989 were reviewed. Patient eligibility criteria included the following: (1) availability of data describing the nodal size either by PE or by path and the number of positive nodes; (2) no history of preoperative chemotherapy or radiotherapy; and (3) no history or presence of in-transit, satellite, local, or distant metastases...
September 1995: Journal of Clinical Oncology
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