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Masaaki Yamamoto

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Articles 248
Citations 3140
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Recent Articles
1.
Sakai K, Gotoh K, Hama N, Toshiyama R, Osaki M, Tokuyama S, et al.
Gan To Kagaku Ryoho . 2025 Feb; 52(1):70-72. PMID: 39957229
We report a case of IPMC complicated with obstructive pancreatitis due to perforation of the duodenum, in which radical surgery was performed. The patient was a 50-year-old man. He was...
2.
Koba M, Kawai K, Tokuyama S, Takahashi Y, Matsui Y, Toshiyama R, et al.
Gan To Kagaku Ryoho . 2025 Feb; 51(13):1785-1787. PMID: 39948999
A 70-year-old male patient underwent robot-assisted laparoscopic partial resection of the descending colon as additional treatment after endoscopic resection for descending colon cancer. There was no residual cancer in the...
3.
Nishikage S, Yamamoto M, Niikura T, Inaba Y, Akiyama T, Harada R, et al.
Endocr J . 2025 Jan; PMID: 39880615
The use of asfotase alfa, a bone-targeted recombinant alkaline phosphatase (ALP) enzyme, for the treatment of adult-onset hypophosphatasia (HPP) remains controversial, particularly in patients without evident bone abnormalities. We report...
4.
Suzuki M, Hirota Y, Urai S, Yamamoto M, Sofue K, Ogawa W
Hormones (Athens) . 2025 Jan; PMID: 39821892
Introduction: Immune checkpoint inhibitors (ICIs) have revolutionized cancer treatment but can give rise to immune-related adverse events such as ICI-related diabetes mellitus (DM). Case Presentation: We herein present the case...
5.
Tsujimoto Y, Yamamoto N, Bando H, Yamamoto M, Ohmachi Y, Motomura Y, et al.
Front Endocrinol (Lausanne) . 2025 Jan; 15():1511155. PMID: 39764253
Metyrapone is commonly used in the initial management of Cushing's syndrome to reduce hypercortisolemia, but its optimal dosage and timing can vary significantly between patients. Currently, there are limited guidelines...
6.
Yamamoto M, Omori T, Masuike Y, Shinno N, Hara H, Sugase T, et al.
Ann Gastroenterol Surg . 2025 Jan; 9(1):69-78. PMID: 39759980
Aim: To compare minimally invasive and open surgery for older patients with gastric cancer. Methods: This study included 464 consecutive patients with gastric cancer aged ≥75 years who underwent open...
7.
Koba M, Takeno A, Hasegawa H, Sakamori R, Higashiura R, Yamamoto M, et al.
Surg Case Rep . 2024 Oct; 10(1):241. PMID: 39441368
Background: Capicua transcriptional repressor-double homeobox 4 sarcoma (CDS) is a rare and aggressive malignant soft tissue tumor that typically arises within the soft tissues. We report an exceptionally rare case...
8.
Urai S, Bando H, Nakatsuji M, Yamamoto M, Fukuoka H, Iguchi G, et al.
Endocrinol Diabetes Metab Case Rep . 2024 Sep; 2024(3). PMID: 39299274
Summary: A 52-year-old female patient with breast cancer presented with a history of fatigue and malaise 1 year prior. She was diagnosed with isolated adrenocorticotropic hormone (ACTH) deficiency (IAD) on...
9.
Oi-Yo Y, Yamamoto M, Urai S, Bando H, Ohmachi Y, Motomura Y, et al.
Pituitary . 2024 Sep; 27(5):605-613. PMID: 39298061
Purpose: To elucidate the long-term efficacy and safety of growth hormone replacement therapy (GHRT) in Japanese patients with adult growth hormone deficiency (AGHD). Methods: We conducted a retrospective study. A...
10.
Yamamoto M, Takeno A, Toshiyama R, Tokuyama S, Kawai K, Takahashi Y, et al.
Surg Case Rep . 2024 Sep; 10(1):215. PMID: 39256262
Background: Laugier's hernia is a very rare atypical femoral hernia and is challenging to diagnose preoperatively. Herein, we report a rare case of inguinal and Laugier's hernias treated with laparoscopic...