نتایج جستجو برای: sentinel a1

تعداد نتایج: 39493  

Journal: :Croatian medical journal 2005
Marko Snoj Matej Bracko Ivana Zagar

AIM To assess the axillary recurrence rate in operable breast cancer patients with clinically negative axilla after negative sentinel lymph node in whom axillary lymph node dissection had not been performed. METHODS Fifty consecutive female operable breast cancer patients with negative sentinel lymph node biopsy in whom axillary lymph node dissection had not been performed were included in th...

2013
Marjolein Kleppe Toon Van Gorp Brigitte FM Slangen Arnold J Kruse Boudewijn Brans Ivo NA Pooters Koen K Van de Vijver Roy FPM Kruitwagen

BACKGROUND The concept of sentinel lymph node surgery is to determine whether the cancer has spread to the very first lymph node or sentinel node. If the sentinel node does not contain cancer, then there is a high likelihood that the cancer has not spread to other lymph nodes. The sentinel node technique has been proven to be effective in different types of cancer. In this study we want to dete...

Journal: :Publications De L'institut Mathematique 2023

Let A be a factor von Neumann algebra and ? preserve n-tuple new product derivations on A, that is, for every A1,A2,... ,An ?(A1 A2 ?...? An) = ?(A1) An + A1 ?(A2) ?... ... ?(An) where Ai ?Aj A*iAj ?A*jAi i,j N, then is additive *-derivation, the condition ?(?I/2) self-adjoint operator {1,i}.

Journal: :Nuclear medicine communications 2009
Mariangela Zamburlini Kristien Keymeulen Marc Bemelmans Boudewijn Brans Gerrit J Kemerink

PURPOSE Hand-held gamma-probes are used for the identification of the sentinel node location during intra-operative radio-guided surgeries. Various gamma-probes, which use different detectors, collimation and electronics, are available on the market. Spatial resolution, sensitivity and angular resolution of the probes are believed to be determinant for the success of the identification of the s...

2009
Morten Middelfart Torben Bach Pedersen

This paper proposes the concept of sentinel rules for multi-dimensional data that warns users when measure data concerning the external environment changes. For instance, a surge in negative blogging about a company could trigger a sentinel rule warning that revenue will decrease within two months, so a new course of action can be taken. Hereby, we expand the window of opportunity for organizat...

Journal: :In vivo 2011
Nika C Gloyeske Wamda Goreal Maura O'Neil Carol Connor Ossama W Tawfik Fang Fan

BACKGROUND The prognostic value and clinical implication of micrometastases and isolated tumor cells (ITCs) in sentinel lymph nodes are still not clearly defined. This study was designed to collect clinical pathological data in our Institution. PATIENTS AND METHODS Twenty-five cases of micrometastases and nine cases of ITCs were identified among 1,000 sentinel lymph node biopsies performed at...

Journal: :Annals of nuclear medicine 2004
Kazuaki Chikamatsu Hideo Kamada Hiroshi Ninomiya Katsumasa Takahashi Tsutomu Sakurai Noboru Oriuchi Nobuhiko Furuya

The main factor that affects the prognosis of patients with head and neck cancer (HNC) is regional lymph node metastases. For this reason, the accurate evaluation of neck metastases is required for neck management. This study investigates the sentinel lymph node identification and the accuracy of the histopathology of the sentinel lymph node in patients with HNC. Eleven patients with histologic...

2013
Victoria M L Cohen Maria Tsimpida John L Hungerford Hikmat Jan Rino Cerio Graeme Moir

BACKGROUND To report our experience with sentinel lymph node biopsy for staging patients with conjunctival melanoma. METHODS A prospective review of patients with conjunctival melanoma who underwent sentinel lymph node biopsy at St Bartholomew's Hospital from May 2008 to May 2012. The selection criterion for sentinel node biopsy depended on the tumour thickness (≥2 mm) and location of the con...

Journal: :World Journal of Surgical Oncology 2006
Kim Bowers Yiyan Liu Nasrin Ghesani Steve H Kim

BACKGROUND For accurate nodal staging, all blue and radioactive lymph nodes should be sampled during the sentinel lymph node biopsy for breast cancer. We report a case of anomalous drainage in which one of the sentinel lymph nodes was unexpectedly found in the level III axillary space. CASE PRESENTATION A 40-year-old female underwent mastectomy for extensive high-grade ductal carcinoma in-sit...

2017
Lina Bouayad Balaji Padmanabhan

Fraud, waste and abuse are significant problems in major industries such as healthcare and manufacturing, particularly when third party payers such as Medicare are involved. Current practices for auditing fraudulent activity are based on scoring models used to select practitioners or claims that are likely to be fraudulent. These models ignore the “sentinel effect” that arises from the behavior...

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