Ultrasound scan alone in diagnosing groin hernias is not effective when correlated with operative findings. However in conjunction with clinical judgment it is a useful tool in diagnosing occult inguinal groin hernias and aiding in further management.
Ex vivo intra-arterial methylene blue injection increases lymph node yield and can help to reduce the number of cases with a lower-than-recommended number of nodes, particularly in patients with rectal cancer having neoadjuvant treatment. The technique is easy to perform, cheap and saves time.
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