BREAST LYMPHATIC DRAIAGE

1.2 LYMPHATICS

There are a large number of lymphatic vessels which drain the skin

and the glandular tissue of the breast.

The  large majority of these vessels drain into three  groups  of

lymph nodes (fig above):

    * The  axillary  route  provides lymphatic  drainage  to  the

      central  and  posterior  part  of  the  breast  and   these

      Lympatics  end  in  PECTORAL and THORACIC  group  of  lymph

      nodes.

      This drainage finally ends in the highest group of axillary

      lymph nodes.

    * Lymphatics  from the medial part of the breast end  in  the

      INTERNAL MAMMARY group of lymph nodes.

    * A  similar and less frequent pathway of lymphatic  drainage

      is via the lymphatic vessels in the RECTUS SHEATH, this  is

      from the lowest and most medial portion of the breast.

      Information  regarding the lymphatics is of  importance  in

      the  treatment  of breast carcinoma since it  dictates  the

      direction  of  flow  of  metastasis and  this  in  turn  is

      dependent on location of the tumour in the breast.

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