نتایج جستجو برای: contralateral breast

تعداد نتایج: 266456  

شرفی, علی‌اکبر, نیکوفر, علیرضا, مهدوی, ربیع , چگینی, ناهید ,

    Contralateral breast dose from primary breast irradiation has been implicated in the risk of second breast malignancies. In the radiotherapy departments of Iran, based on oncologist’s and physicist’s viewpoint, a special technique and set-up may be used for treatment of chest wall in mastectomized patient. The present study compared three different breast treatment techniques and set-up use...

Journal: :archives of breast cancer 0
a. ali assarian department of surgery, tehran university of medical sciences, tehran, iran ahmad elahi department of surgery, tehran university of medical sciences, tehran, iran

background: contralateral axillary metastasis (cam) is a rare entity in patients with breast cancer which can occur during the primary breast cancer or its follow-up. different treatment modalities include surgery, radiotherapy, and chemotherapy, but there is no agreement on them. in our review, we found 12 series with available data, 82 patients with synchronous or metachronous contralateral a...

Journal: :iranian journal of radiation research 0
a.d. esmaeeli department of medical radiation engineering, science and research branch, islamic azad university, tehran, iran m. pouladian department of medical radiation engineering, science and research branch, islamic azad university, tehran, iran a.s. monfared department of medical physics, babol university of medical sciences, babol, iran s.r. mahdavi department of medical physics, tehran university of medical sciences, tehran, iran d. moslemi department of radiation oncology, babol university of medical sciences, babol, iran

background: to reduce the dose to normal tissues surrounding the treated breast, a uniform magnetic field was used within a humanoid phantom in breast radiotherapy. materials and methods: monte carlo simulations were performed with geant4, irradiating humanoid phantoms in a magnetic field. to reconstruct phantoms, computed tomography (ct) data slices of four patients were used for the monte car...

K. Iqbal, M. Afzal, M. Akram, M. Isa, S.A. Buzdar,

Background: It was intended to investigate the effect of physical wedge (PW) and enhanced dynamic wedges (EDW) on contralateral breast dose during primary breast irradiation in radiotherapy treatment, using high energy photon beams. Materials and Methods: The Varian’s Clinac dual mode linear accelerator model 2100 C/D and Siemen’s Primus accelerators were used for radiation doses wi...

A.D. Esmaeeli, A.S. Monfared, D. Moslemi, M. Pouladian, S.R. Mahdavi,

Background: To reduce the dose to normal tissues surrounding the treated breast, a uniform magnetic field was used within a humanoid phantom in breast radiotherapy. Materials and Methods: Monte Carlo simulations were performed with GEANT4, irradiating humanoid phantoms in a magnetic field. To reconstruct phantoms, computed tomography (CT) data slices of four patients were used for the Monte Car...

Journal: :iranian journal of radiation research 0
m. akram department of physics, the islamia university of bahawalpur pakistan k. iqbal department of physics, the islamia university of bahawalpur pakistan m. isa department of physics, the islamia university of bahawalpur pakistan m. afzal department of physics, the islamia university of bahawalpur pakistan s.a. buzdar department of physics, the islamia university of bahawalpur pakistan

background: it was intended to investigate the effect of physical wedge (pw) and enhanced dynamic wedges (edw) on contralateral breast dose during primary breast irradiation in radiotherapy treatment, using high energy photon beams. materials and methods: the varian’s clinac dual mode linear accelerator model 2100 c/d and siemen’s primus accelerators were used for radiation doses with 6 mv and ...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1999
Y Chen W Thompson R Semenciw Y Mao

Two to 11% of women diagnosed with breast cancer will develop contralateral breast cancer in their lifetime. Women with a first primary are at a 2-6-fold increased risk of developing contralateral breast cancer compared with the risk in the general population of women developing a first primary cancer. The incidence rate of contralateral breast cancer varies from four to eight per 1000 person-y...

Journal: :iranian journal of cancer prevention 0
j kalantar hormozi a fadaee naeeni

abstract   the perfect method for breast reconstruction would be safe, reliable, reproducible, applicable to all patients, and would have no donor site morbidity. the ideal reconstructed breast would provide symmetric, permanent, and natural results. there has been development and refinement of autogenous methods of breast reconstruction throughout the literature. the tram flap remains the most...

2016
Katharine Yao Mark Sisco Isabelle Bedrosian

There has been an increasing trend in the use of contralateral prophylactic mastectomy (CPM) in the United States among women diagnosed with unilateral breast cancer, particularly young women. Approximately one-third of women <40 years old are undergoing CPM in the US. Most studies have shown that the CPM trend is mainly patient-driven, which reflects a changing environment for newly diagnosed ...

Journal: :Cancer research 2007
Kari Hemminki Jianguang Ji Asta Försti

The reasons for the high risk of contralateral breast cancer are not understood, although polygenic mechanisms have been suggested to be involved. The nationwide Swedish Family-Cancer Database was used to examine the interaction of the risks for contralateral and familial cancer. Relative risks were separately determined for contralateral and familial breast cancers, and these were tested for a...

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