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( Saori Itoi ),( Atsushi Tanemura ),( Mamori Tani ),( Shun Kitaba ),( Mika Terao ),( Hiroyuki Murota ),( Naoki Oiso ),( Ichiro Katayama ) 대한피부과학회 2014 Annals of Dermatology Vol.26 No.2
Background: Peculiar erythema known as annular erythema associated with Sjogren`s syndrome (AESS) can be differentiated from autoimmune annular erythema and subacute cutaneous lupus erythematosus, both clinically and histologically. However, there are no detailed investigations on immune competent cells infiltration. Objective: Preferential infiltration of interleukin-17-producing T helper (Th17) cells and regulatory T (Treg) cells into the labial salivary gland is reported to play a role in maintaining mucoepithelitis in patients with Sjogren`s syndrome. In this study, we evaluated Th17 and Treg cell infiltration into the lesional skin of AESS. Methods: We analyzed the numbers and infiltration patterns of Th17 and FoxP3 (+) Treg cells in seven cases of AESS using immunohistochemistry. Seven patients with systemic lupus erythematosus (SLE), atopic dermatitis (AD) and psoriasis vulgaris (PV), which are representatives of Th17 cell-involved skin disorders, were enrolled as disease controls. Results: Periappendageal and epidermal changes, such as follicular plugging and liquefaction, were evident in the annular erythema of SLE, not AESS, tissue samples. In AESS tissue samples, dense perivascular and periappendageal in-filtration of lymph cells was observed in the middle-to-deep dermis, as previously described, in contrast to the superficial infiltration pattern observed in both AD and PV samples. While the total number of infiltrated lymphocytes was similar between AESS and SLE tissue samples, Th17 cells were found to be preferentially infiltrated in the middle- to-deep dermis in AESS samples. Conclusion: These results suggest that an increased number and distribution of infiltration of Th17 cells is a preferential feature of AESS, rather than a characteristic feature of annular erythema of SLE.
( Takao Itoi ),( Eigoro Yamanouchi ),( Nobuhito Ikeuchi ),( Kazuhiko Kasuya ),( Hitoshi Iwamoto ),( Akihiko Tsuchida ) The Editorial Office of Gut and Liver 2010 Gut and Liver Vol.4 No.s1
Magnetic compression anastomosis (MCA) is a minimally invasive method of performing choledochocholedochostomy without surgery in patients with biliary stricture or obstruction. We describe a successful case involving magnetic compression duct-to-duct biliary reconstruction in right-lobe living donor liver transplantation (RL-LDLT). Endoscopically, a samarium-cobalt (Sm- Co) rare-earth magnet was placed at the superior site of obstruction via the percutaneous transhepatic biliary drainage route, and another Sm-Co magnet was also placed at the inferior site of obstruction with the aid of an endoscope. MCA techniques enabled complete anastomosis without procedure-related complications. In conclusion, the MCA technique is a revolutionary method of performing choledochocholedochostomy in patients with biliary obstruction after LDLT. (Gut Liver 2010;4(Suppl. 1):S96-98)