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Toshihiro Yamamoto

Bio: Toshihiro Yamamoto is an academic researcher from University of Tokyo. The author has contributed to research in topics: International Classification of Functioning, Disability and Health & Guideline. The author has an hindex of 1, co-authored 1 publications receiving 52 citations.

Papers
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Journal Article
TL;DR: A consensus on the diagnostic guidelines for patients with lymphedema is defined, based upon literature­based evidence, both clinical and investigative, based on the impact of this complex condition on social, emotional, and physical function.
Abstract: The current document is intended to define a consensus on the diagnostic guidelines for patients with lymphedema, based upon literature­based evidence, both clinical and investigative. General diagnostic guidelines include systemic evaluation; assessment of venous function; duplex ultrasonography; and lymphoscintigraphy. Proper diagnosis should allow appropriate clinical and laboratory staging of the disease for the assessment of progression of the condition and its response to treatment. Diagnosis should include an assessment of the infections in the early and latent stages. Lymphedema is assessed by the stage of disease (0­III) and WHO guidelines for International Classification of Functioning, Disability and Health and Quality of Life issues can be used as a reference for the impact of this complex condition on social, emotional, and physical function. It is the authors’ intent that this document stimulate further inquiry and discussion regarding all aspects of lymphedema diagnosis.

60 citations


Cited by
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Journal ArticleDOI
TL;DR: Indocyanine green lymphography findings in primary lymphedema could be classified into four patterns withdifferent patient characteristics, and all asymptomatic legs showed normal patterns on ICG lymphography.

91 citations

Journal ArticleDOI
Hiroo Suami1
TL;DR: The author's technique for investigating the lymphatic system using the concept of the lymphosome is introduced and can potentially be utilized either to reassure surgeons about their current procedures in the surgical management of cancers and lymphedema or assist them to refine them.
Abstract: The gross anatomical study of the lymphatic system in humans and animals has been suspended for almost 100 years. This article introduces the author's technique for investigating the lymphatic system using the concept of the lymphosome. In revisiting the anatomical study of the lymphatic system, our updated knowledge can potentially be utilized either to reassure surgeons about their current procedures in the surgical management of cancers and lymphedema or assist them to refine them. J. Surg. Oncol. 2017;115:13-17. © 2016 Wiley Periodicals, Inc.

64 citations

Journal ArticleDOI
TL;DR: Efferent lymphatic vessel anastomosis allowed lymph flow bypass after filtration by the superficial inguinal LN through a skin incision along the inguINAL crease, and was effective to prevent development of symptomatic lymphedema in subclinical lympedema cases.
Abstract: BackgroundIn lower extremity lymphedema secondary to pelvic cancer treatments, lymphedema develops despite that the inguinal lymph nodes (LNs) are preserved. Obstruction of the efferent lymphatic vessels of the inguinal LNs causes lower extremity lymphedema, and it is considered a radical treatment

63 citations

Journal ArticleDOI
TL;DR: The present document reports a narrative literature revision on the major international recommendations in lower limb venous and lymphatic disease management, focusing on the different countries’ guidelines, trends and controversies from all the continents, while identifying new evidence-based data potentially influencing future guidelines.
Abstract: Guidelines are fundamental in addressing everyday clinical indications and in reporting the current evidence-based data of related scientific investigations. At the same time, a spatial and tempora...

46 citations

Journal ArticleDOI
TL;DR: The results suggest that the axillary pathway remained patent for over two-thirds of patients, rather than completely obstructed as conventionally thought to be the case for BCRL, which will allow a personalised approach to manual lymphatic drainage massage and potentially surgery.
Abstract: Breast cancer related lymphoedema (BCRL) is a common side effect of cancer treatment. Recently indocyanine green (ICG) fluorescent lymphography has become a popular method for imaging the lymphatics, however there are no standard protocols nor imaging criteria. We have developed a prospective protocol to aid in the diagnosis and therapeutic management of BCRL. Lymphatic imaging procedures were conducted in three phases. Following initial observation of spontaneous movement of ICG in phase one, manual lymphatic drainage (MLD) massage was applied to facilitate ICG transit via the lymphatics in phase two. All imaging data was collected in phase three. Continuous lymphatic imaging of the upper limb was conducted for approximately an hour and lymphatic drainage pathways were determined. Correlations between the drainage pathway and MD Anderson Cancer Centre (MDACC) ICG lymphoedema stage were investigated. One hundred and three upper limbs with BCRL were assessed with this new protocol. Despite most of the patients having undergone axillary node dissection, the ipsilateral axilla drainage pathway was the most common (67% of upper limbs). We found drainage to the ipsilateral axilla decreased as MDACC stage increased. Our results suggest that the axillary pathway remained patent for over two-thirds of patients, rather than completely obstructed as conventionally thought to be the case for BCRL. We developed a new ICG lymphography protocol for diagnosing BCRL focusing on identification of an individual patient’s lymphatic drainage pathway after lymph node surgery. The new ICG lymphography protocol will allow a personalised approach to manual lymphatic drainage massage and potentially surgery.

46 citations