Abstracts presented at the Joint meeting of the 22nd Congress of the Japanese Research Society of Clinical Anatomy and t

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LETTER TO THE EDITOR

Abstracts presented at the Joint meeting of the 22nd Congress of the Japanese Research Society of Clinical Anatomy and the 3rd Congress of Kurume Research Society of Clinical Anatomy Koh‑ichi Yamaki1 · Keiichi Akita2  Received: 14 August 2020 / Accepted: 27 August 2020 © The Author(s) 2020

Introduction: Herewith are the abstracts of the presentations of the Joint meeting of the 22nd Congress of the Japanese Research Society of Clinical Anatomy (JRSCA) and the 3rd Congress of Kurume Research Society of Clinical Anatomy. The meeting was held at School of Medicine, Kurume University, Fukuoka, JAPAN on November 10, 2018. The theme was “Knowledge for Innovation”.

anterior, middle and posterior intermodal tract. A part of the posterior intermodal tract was stained strongly by PAS stain. Some middle intermodal pathway could be observed as unwhitened myocardial fibers. The morphological features of these unwhitened myocardial fibers are similar to the working myocardium. These variations of the intermodal conduction pathways might be related to the pathological condition of the human right atrium.

Session 1: cardiovascular system

Investigation of variations at the sapheno‑femoral junction and the sapheno‑popliteal junction with plain CT

Macroscopic and histological observation of the conduction system of the right atrium Arakawa Takamitsu Kobe University Graduate School of Health Sciences Internodal conduction pathways of the human right atrium have been well reported in the clinical field with special reference to catheter ablation to prevent the atrial flutter. Nevertheless, detailed gross anatomy and histology of this pathway are not well documented. The conduction system can be stained by Periodic acid-Schiff (PAS) stain. 12 human cadavers obtained by Kobe University School of Medicine were examined by gross anatomical dissection and histological observation by H-E and PAS stains. Some myocardial fibers in the human right atrium could be seen as slightly whitened fibers upon macroscopic investigation. These whitened myocardial fibers could be detected in the * Keiichi Akita jrsca‑[email protected] 1



Department of Anatomy, Kurume University School of Medicine, Fukuoka, Japan



Japanese Research Society of Clinical Anatomy (JRSCA), Tokyo, Japan

2

Sakurai Kanako, Hiromatsu Shinichi, Anegawa Tomoyuki, Kanamoto Ryo, Yoshida Shohei, Shintani Yusuke, Otsuka Hiroyuki, Tobinaga Satoru, Onitsuka Seiji, Tanaka Hiroyuki Department of Surgery, Kurume University, Kurumeshi, Fukuoka Introduction: Recently, the treatment for varicose veins (VV) is changing to minimally invasive therapy such as endovenous laser ablation (EVLA) from open surgery such as stripping and high ligation. In our department, we performed EVLA for all cases except ones with a history of deep vein thrombosis (DVT). The complications in EVLA include arterio-venous fistula and nerve injury around the sapheno-femoral junction (SFJ) and the sapheno-popliteal junction (SPJ). To prevent these complications, we should recognize the an