日承办第五届中日韩核医学会

　　第5届中日韩核医学学术会议将于2011年10月27-29日在日本筑波（TSUKUBA）召开。日本核医学会作为主办方屡次积极联系我会，希望中方能积极参与。中华医学会核医学分会常委会讨论（20110423），决定接受日方盛情邀请，并计划组团参加这次会议。

　　田嘉禾主委已给日方回信表示感谢并表明我会将计划组织人员参会的意向，日方即日回信（见附件一）。

　　在此，学会号召大家积极投稿（模式见附件二），特别希望青年学者积极投稿并参加会议。

　　附件一Dear Professor TianI hope everything is fine with you and your family。

　　I have a favor to ask of you. We need abstracts from your country for the 5th JKC Congresss on NM， which will be held October 27th （Thursday）， 2011 in Japan. Could you ask the members in Chinese Society of NM to send me abstracts with less than 300 words （please refer to the attached EXAMPLE）? Deadline is May 10， 2011。

　　It would be convenient if we can have a list of attendees from China in advance. I would like to send a list format to you . Please let me know if you have any questions。

　　Thank you。

　　I am looking forward to meeting you， in Tsukuba。

　　Sincerely yours，Shigeru Kosuda， MD.，President of the 5th JKC Congress on NM

　　 附件二EXAMPLE Final report on comparison between Tc-99m MAA SPECT and MDCT pulmonary angiography in patients with pulmonary embolism – multicenter trial studyShigeru Kosuda， Norinari Honda， Ayumu Horikawa。

　　热文 ：petct是什么petct检查多少钱 petct能解决什么问题？

　　Tokyo Jikeikai Medical College and National Defense Medical College， Tokyo

　　Chronic pulmonary thromboembolism （CPTE） leads to pulmonary hypertension （PH） that is a progressive disease with a 5-year survival rate of 30％. Objectives: To retrospectively compare 99mTc-MAA lung perfusion SPECT with multidetector CT pulmonary angiography （CTPA） regarding the number of affected segmental and subsegmental pulmonary arteries in patients with acute PTE or CPTE. Methods: We retrospectively reviewed the results of Tc-99m pulmonary MAA and CTPA using a 4-row or more MDCT in PTE pts at the 9 hospitals between 1996 and 2009. A total of 121 patients （32-79 y； mean age 60.5 y） were enrolled. Radioactive gas ventilation/99mTc-MAA SPECT and CTPA images were interpreted by three NM physicians and two experienced radiologists， respectively. The CTPA criteria of PTE were as follows； visualization of the thrombus， pouch defect， abrupt narrowing， obstruction， perfusion abnormality， intimal irregularity， poststenotic dilatation， webs and bands， recanalization， calcified thrombus. Semi-quantification was done by using a scoring system （defect score: DS） with a maximal sore of 17 segments. Results: The DS values in pts with acute PTE were 9.81 in CTPA and 7.15 in SPECT， but the DS values in pts with CPTE were 3.09 in CTPA and 6.00 in SPECT. Only eight of 65 acute PTE pts （12.3％） with thrombolysis and anticoagulant therapy had a complete resolution on repeated SPECT studies. Only 4 of 121 pts （3.3％） with acute PTE had a final diagnosis of chronic PTE hypertension. SPECT showed improvement and aggravation of the disease more accurately than CTPA. Conclusions: Tc-99m MAA SPECT was more accurate than CTPA in monitoring PTE patients。