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Example sentences for: dissected
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The average number (± SD) of axillary lymph nodes was 17 ± 4, and all dissected nodes were examined for the presence of metastases.
As many as 30% of patients with breast cancer who have undergone curative surgery and show no evidence of locoregional or distant disease still have recurrent disease over 5-10 years [ 1 2 ] . Some of these treatment failures may be attributed to residual disease in the breast or axillary lymph nodes [ 3 ] . The limitation of routine histopathologic examination of the tumor margins and the dissected lymph node specimen is well known [ 4 ] . Contemporary methods of detection, including computed tomography, magnetic resonance imaging, bone scintigraphy and flow cytometry, all have limited sensitivity and specificity [ 5 6 ] . Micrometastases can be found by immunohistochemistry or polymerase chain reaction in 10-30% of the patients previously deemed free of disease by conventional histological methods [ 7 8 ] . The prognostic importance of micrometastases found with these sensitive methods are now being evaluated [ 9 10 11 ] .
At the end of the experiment, hind paws were dissected, fixed, and decalcified before being embedded in paraffin, and were sectioned at 6 μm as previously described [ 27 ] . Sagittal sections were stained with H & E.
To distinguish between these possibilities, we dissected wing imaginal discs from late third instar larvae and stained them for mitotic or apoptotic cells.
Briefly, skeletal muscle somites are dissected from stage 20-22 Xenopus laevis embryos in collagenase/Steinberg's solution, dissociated for 8-10 minutes in Ca ++Mg ++free solution, triturated, and cultured on clean 24 × 60 mm coverslips in 60 μl of culture medium (85% Steinberg's solution, 10% Leibovitz's L-15 medium, 5% fetal bovine serum, 50 μg/ml Gentamycin, pH7.
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