نتایج جستجو برای: sentinel lymph node excision
تعداد نتایج: 229006 فیلتر نتایج به سال:
Before the advent of sentinel-node dissection, patients with intermediate-thickness melanoma were managed primarily by wide local excision and regional lymphadenectomy. In the head and neck region, this often entailed either radical neck dissection or modified radical neck dissection. With lesions of the scalp, management of the lymph nodes was particularly difficult because of the known ambigu...
Background: The purpose of this study was to assess the dose distribution and coverage of level Ⅰ-Ⅱ axillary lymph nodes during whole breast tangential field radiotherapy (RT) after breast-conserving surgery in patients with breast cancer. Materials and Methods: The level Ⅰ-Ⅱ axillary lymph node volumes were retrospectively contoured by a single radiation oncologist based on computed tomography...
BACKGROUND Omitting extensive lymph node dissection could reduce esophagectomy morbidity in patients without lymph node metastases. Sentinel node biopsy may identify abdominal or thoracic lymph node metastases, thereby differentiating treatment. Feasibility of this approach was investigated in Western European esophageal cancer patients with advanced disease, without lymph node metastases at di...
Sentinel lymph node mapping can help to direct surgical oncologic staging and metastatic disease detection in patients with complex lymphatic pathways. We hypothesized that indirect computed tomographic lymphography (ICTL) with a water-soluble iodinated contrast agent would successfully map lymphatic pathways of the iliosacral lymphatic center in dogs with anal sac gland carcinoma, providing a ...
BACKGROUND Epithelioid sarcomas of the hand are rare, high-grade tumors with a propensity for regional lymphatic spread approaching 40%. CASE PRESENTATION A 54-year-old male with an epithelioid sarcoma of the palm was treated with neoadjuvant radiation, wide excision, and two-stage reconstruction. Sentinel lymph node biopsy was used to stage the patient's axilla. Sentinel node biopsy results ...
BACKGROUND/AIMS Sentinel lymph node mapping has become a cornerstone of oncologic surgery because it is a proven method for identifying nodal disease in melanoma and breast cancer. In addition, it can ameliorate the surgical morbidity secondary to lymphadenectomy. However, experience with sentinel lymph node mapping for carcinoma of the colon and other visceral malignancies is limited. The purp...
INTRODUCTION The feasibility and accuracy of the sentinel lymph node biopsy for patients who have received neoadjuvant chemotherapy for the treatment of breast cancer is still controversial. MATERIAL AND METHODS Thirty-one consecutive patients with the diagnosis of invasive breast cancer who received neoadjuvant chemotherapy underwent sentinel lymph node biopsy and complete axillary lymph nod...
The prognostic value of the sentinel lymph node in Merkel cell carcinoma (MCC) has been examined previously in heterogeneous retrospective studies. The current retrospective study included a homogeneous population of patients with a localized MCC, all staged with sentinel lymph node biopsy. Factors associated with 3-year progression-free survival were analysed using logistic regression. The sen...
HYPOTHESIS Patients with melanoma and histologically negative sentinel lymph nodes identified by lymphatic mapping have a very good prognosis. DESIGN Cohort study with follow-up information obtained from medical records and telephone interviews. SETTING AND PATIENTS Of all patients with cutaneous melanoma who underwent intraoperative sentinel lymph node mapping between November 15, 1993, an...
UNLABELLED The technique of sentinel lymph node identification and biopsy has become a new popular technique for surgeon to improve staging of malignant diseases. It may also reduce the risk of complication related to standard lymphadenectomy. The method is still in experimental phase in case of esophageal cancer. A possible complication for employment of the method in this tumor is neoadjuvant...
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