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Erectile Dysfunction in Germ Cell Tumor Survivors
Okada Koichi,Fujita Kazutoshi,Fukuhara Shinichiro,Kiuchi Hiroshi,Uemura Motohide,Imamura Ryoichi,Nonomura Norio 대한남성과학회 2021 The World Journal of Men's Health Vol.39 No.3
Purpose: Germ cell tumors (GCTs) are the most common malignant neoplasms in adolescents and young adults, and most patients with these tumors can be completely cured. Therefore, maintaining quality of life (QOL) is important. Erectile dysfunction (ED) is one factor that reduces the QOL of GCT survivors. We aimed to clarify the relationship between ED and age, follow-up period, serum levels of hormones, and treatment methods for GCT survivors. Materials and Methods: We evaluated ED using the Sexual Health Inventory for Men questionnaire (SHIM) and measured serum levels of hormones in survivors after GCT treatment. The relationships between the SHIM score responses and age, serum levels of hormones, follow-up period, and treatment methods were assessed using a logistic analysis. Results: Fifty-two GCT survivors were enrolled and 46 survivors completed the SHIM. The median age, follow-up period, and SHIM score were 38 years, 35 months, and 18, respectively. Regarding the SHIM scores, 85% had scores <22 and 46% had scores <17. The percentage of SHIM scores <17 was 69% in patients with under 2 years of follow-up. It significantly improved to 33% in patients with over 2 years of follow-up. The multivariate analysis identified the follow-up period as an independent factor for SHIM scores <17. Age, serum levels of hormone, and treatment method were not significant factors for SHIM scores <17. Conclusions: Improvement of SHIM score can be expected after GCT treatment regardless of age, serum levels of hormone, and treatment method.
Soluble CD30: A Possible Serum Tumor Marker for Primary Effusion Lymphoma
Michai, Manthana,Goto, Hiroki,Hattori, Shinichiro,Vaeteewoottacharn, Kulthida,Wongkham, Chaisiri,Wongkham, Sopit,Okada, Seiji Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.10
Background: The serum level of soluble CD30 (sCD30) is known to be increased with several lymphomas and to correlate with prognosis. Primary effusion lymphoma (PEL) is a highly aggressive malignant lymphoma with poor prognosis, but the existence and significance of sCD30 in PEL have not yet been investigated in detail. Objectives: Since the membrane type of CD30 is frequently expressed on the surface of PEL cells, we compared the expression of the membrane type of CD30 and the production of sCD30 among PEL cell lines as well as other lymphomas. Methods: The expression of surface CD30 in various lymphoma cell lines was analyzed with flow cytometry ans sCD30 was quantified by ELISA. Results: Both surface and sCD30 were detected on PEL cell lines as well as on Hodgkin's lymphoma and adult T-cell leukemia/lymphoma cell lines. Surface CD30 and sCD30 levels of each cell lines correlated with each other. Conclusion: The serum level of sCD30 appear to be a useful biological tumor marker for the diagnosis and management of CD30-positive PEL.
Yuki Fujii,Kazuyuki Matsumoto,Hironari Kato,Yosuke Saragai,Saimon Takada,Sho Mizukawa,Shinichiro Muro,Daisuke Uchida,Takeshi Tomoda,Shigeru Horiguchi,Noriyuki Tanaka,Hiroyuki Okada 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.5
Background/Aims: This study aimed to examine the diagnostic ability of endoscopic ultrasonography (EUS) for major vascularinvasion in pancreatic cancer and to evaluate the relationship between EUS findings and pathological distance. Methods: In total, 57 consecutive patients who underwent EUS for pancreatic cancer before surgery were retrospectively reviewed. EUSimage findings were divided into four types according to the relationship between the tumor and major vessel (types 1 and 2: invasion,types 3 and 4: non-invasion). We also compared the EUS findings and pathologically measured distances between the tumors andevaluated vessels. Results: The sensitivity, specificity, and accuracy of EUS diagnosis for vascular invasion were 89%, 92%, and 91%, respectively, in theveins and 83%, 94%, and 93%, respectively, in the arteries. The pathologically evaluated distances of cases with type 2 EUS findings weresignificantly shorter than those of cases with type 3 EUS findings in both the major veins (median [interquartile range], 96 [0–742] µmvs. 2,833 [1,076–5,694] µm, p=0.012) and arteries (623 [0–854] µm vs. 3,097 [1,396–6,000] µm, p=0.0061). All cases with a distance of≥1,000 µm between the tumors and main vessels were correctly diagnosed. Conclusions: Tumors at a distance ≥1,000 µm from the main vessels were correctly diagnosed by EUS.
Kazuyuki Matsumoto,Hironari Kato,Shigeru Horiguchi,Takeshi Tomoda,Akihiro Matsumi,Yuki Ishihara,Yosuke Saragai,Saimon Takada,Shinichiro Muro,Daisuke Uchida,Hiroyuki Okada 거트앤리버 소화기연관학회협의회 2020 Gut and Liver Vol.14 No.5
Background/Aims: Endoscopic ultrasound (EUS)-guided fine needle aspiration (FNA; EUS-FNA) allows for diagnostic tissue specimens from various regions to be analyzed. However, diagnosing recurrent pancreaticobiliary cancer after surgery is sometimes difficult. We evaluated the efficacy of EUS-FNA in the diagnosis of local recurrence of pancreaticobiliary cancer and analyzed the factors associated with falsenegative results. Methods: Fifty-one consecutive patients who underwent EUS-FNA due to suspected recurrence of pancreaticobiliary cancer after surgery in an academic center were retrospectively analyzed. The criteria for EUS-FNA were a resected margin or remnant pancreas mass, round swollen lymph node (≥10 mm in diameter), and soft-tissue enhancement around a major artery. Patients with suspected liver metastasis or malignant ascites were excluded. Results: Thirty-nine of the 51 patients had pancreatic cancer; the remaining 12 had biliary cancer. The target sites for EUS-FNA were the soft tissue around a major artery (n=22, 43%), the resected margin or remnant pancreas (n=12, 24%), and the lymph nodes (n=17, 33%). The median size of the suspected recurrent lesions was 15 mm (range, 8 to 40 mm). The overall sensitivity, specificity and accuracy of EUS-FNA for the diagnosis of recurrence was 84% (32/38), 100% (13/13), and 88% (45/51), respectively. FNA of the soft tissue around major arteries (odds ratio, 8.23; 95% confidence interval, 1.2 to 166.7; p=0.033) was significantly associated with a falsenegative diagnosis in the multivariate analysis. Conclusions: EUS-FNA is useful for diagnosing recurrent cancer, even after pancreaticobiliary surgery. The diagnoses of recurrence at soft-tissue sites should be interpreted with caution.