Diagnosis

How to Evaluate Lymphedema

In a lymphedema treatment, understanding not just the appearance and volume of the affected limb and the nature of the edema but also the extent to which the functions of the lymphatic vessels are preserved in each individual case is a major key to the success of subsequent treatment(s).

Typical testing methods to evaluate the functions of lymphatic vessels are as follows:

  • Lymphoscintigraphy using radioisotopes
  • SPECT-CT
  • Indocyanine green (ICG) lymphangiography with contrast media
  • MRI lymphangiography

It is important to use a combination of these tests to understand each individual’s condition depending on the severity of the disease/status.

ICG lymphangiography is usually performed in the outpatient consultation room on appointment day to evaluate the functions and severity of lymphatic vessels. However, in cases where ICG lymphangiography alone is inadequate, or when there is a large discrepancy between the results of ICG lymphangiography and the patient’s subjective symptoms, other tests may be added (see About the consultation).

IICG lymphangiography is the most minimally invasive test for lymphedema that uses contrast media since the amount of contrast media used is less than 1 ml with no radiation equipment for imaging. This test can determine the clinical severity of lymphedema as well as predict the degeneration of lymphatic vessels, which plays a very important role in developing strategies for conservative and surgical treatment.

Latest Diagnostic Imaging

When it comes to the latest diagnosis of lymphedema, we established and presented in 2017 the world’s first method of using ultra-high frequency ultrasound to diagnose lymphatic vessels and perform surgeries more effectively and efficiently. This technology has made it possible to provide treatment without the use of contrast media during surgery, greatly reducing the burden on the body.

For more information, visit Latest Diagnostic Imaging


林明辰 Akitatsu Hayashi
亀田総合病院/亀田京橋クリニック
リンパ浮腫センター センター長

超音波や光干渉断層撮影(OCT)を用いた、最先端のリンパ管のイメージング技術を世界で初めて発表。その技術を併用した、より効率的・効果的なリンパ浮腫手術の普及に力を入れている。プロフィール詳細


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