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Chemo Secrets From a Breast Cancer Survivor

Breast Cancer Survivors

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Using appropriate small-particle radiocolloids, lymphatic drainage is observed crossing the center line of the breast in approximately half of the patients with breast cancers that lie completely in the inner or outer quadrant [1]. Lymphatic drainage to the axilla or internal mammary chain cannot be predicted on the basis of the location of the cancer in the breast.

Drainage to the internal mammary chain is observed in 40% to 45% of patients with breast cancer when small particle-sized colloids are used [1]. This is in contrast to a reported incidence of 8% when larger particles such as filtered

Chain Lymph Nodes Breast

Figure 32 The four injection sites in the left breast are observed as a single focus of activity in this exposure setting. Tracer is observed flowing to a sentinel node in the left axilla (open short arrow) and via a separate channel to a node in the leftsupracla-vicular fossa (curved open arrow). A third discrete channel is observed passing in a curvilinear fashion to a third sentinel node in the left internal mammary chain (horizontal arrow).

Figure 32 The four injection sites in the left breast are observed as a single focus of activity in this exposure setting. Tracer is observed flowing to a sentinel node in the left axilla (open short arrow) and via a separate channel to a node in the leftsupracla-vicular fossa (curved open arrow). A third discrete channel is observed passing in a curvilinear fashion to a third sentinel node in the left internal mammary chain (horizontal arrow).

sulphur colloid are used [2]. It would therefore seem that if drainage to the internal mammary nodes is to be detected in all patients, small particle-sized colloids should be used.

Some investigators observe drainage to sentinel lymph nodes outside the axilla in approximately half of the patients with breast cancer. If a sentinel node biopsy is performed only on sentinel nodes in the axilla, the node status of the patient may be incorrectly assessed in these patients. Logic suggests that the true node status of patients with breast cancer will only be determined by biopsy of all sentinel nodes, regardless of their location.

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