Sentence examples for echelon lymph from inspiring English sources
Moreover, improved visualisation of lymphatic vessels may result in better differentiation between the first and second echelon lymph nodes.
The standard of care for patients with intermediate and advanced stage melanoma is resection of the primary tumor with excision of first echelon lymph nodes that receive lymphatic drainage from the tumor [18].
The entire parotid space should be included for evaluation of echelon lymph nodes.
The first echelon lymph nodes are in the lateral retropharyngeal region, levels Ib and II.
Clinical target volume (CTV) was defined as GTV plus primary echelon lymph node according to tumour location.
The patterns of regional N metastasis are predictable, and the sequential progression of disease occurs beyond the first echelon lymph nodes.
The sentinel node concept states that the spread of a tumor is embolic in nature, via the lymphatics to the first-echelon lymph node(s) encountered in the regional draining basin.
Dynamic acquisition for 20 to 30 min (20 s per frame, with a 128×128 matrix [ 69] or 256×256 matrix [ 71]) starting immediately after radiotracer injection will show the drainage pattern and help to differentiate between SLNs, which can appear very early following injection, and second-echelon lymph nodes.
70 Dynamic acquisition for 20 30 min (20 s per frame) with a 128 × 128 matrix or 256 × 256 matrix starting immediately after radiotracer injection will show the drainage pattern and help to differentiate between sentinel nodes, which can appear very early following injection, and second-echelon lymph nodes.
36 Poor access to these sites requires general anesthesia and endoscopic guidance for radiotracer injection, precluding the use of preoperative lymphoscintigraphy (LSG), while the close proximity of the primary tumor to the first-echelon lymph nodes can potentially obscure the true location of SLNs.
Poor access to these sites requires general anaesthesia and endoscopic guidance for radiotracer injection, precluding the use of preoperative LSG, while the close proximity of the primary tumour to the first-echelon lymph nodes can potentially obscure the true location of SLNs.
