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Kota Yokoyama

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Articles 56
Citations 221
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Recent Articles
1.
Ito M, Yokoyama K, Ariizumi Y, Kano Y, Yamamoto K, Asakage T, et al.
Cureus . 2025 Jan; 16(12):e75969. PMID: 39835056
Desmoid fibromatosis (DF) is a rare, non-metastasizing but locally aggressive mesenchymal tumor arising from fibroblasts or myofibroblasts. We report a solitary case of DF involving the retropharyngeal and danger spaces,...
2.
Yokoyama K, Matsuki M, Isozaki T, Ito K, Imokawa T, Ozawa A, et al.
Jpn J Radiol . 2025 Jan; PMID: 39794659
Adrenal diseases pose significant diagnostic challenges due to the wide range of neoplastic and non-neoplastic pathologies. Radiologists have a crucial role in diagnosing and managing these conditions by, leveraging advanced...
3.
Yokoyama K, Tsuchiya J, Kuwahara H, Inaji M, Tateishi U
Clin Nucl Med . 2025 Jan; 50(4):e236-e237. PMID: 39780349
We report the first case of myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) evaluated with hypoxic imaging using 18 F-FAZA PET/CT. A healthy woman in her 20s presented to our hospital...
4.
Wakui M, Tsuchiya J, Kase C, Yokoyama K, Yamamoto M, Tateishi U
Cureus . 2024 Oct; 16(10):e71605. PMID: 39421283
Introduction Accurate diagnosis of multiple myeloma (MM) and related disorders depends on imaging studies for lesion detection, which is crucial for treatment planning. The 18F-fluorodeoxyglucose (FDG) PET imaging system is...
5.
Matsubayashi T, Yokoyama K, Tateishi U, Yokota T, Sanjo N
Clin Nucl Med . 2024 Oct; 49(11):1041-1043. PMID: 39354691
Although long COVID refers to numerous COVID-19-related symptoms after infection, including depression, fatigue, anosmia, sleep disturbances, and brain fog, the etiology of long COVID remains largely unknown. A 41-year-old woman...
6.
Hirai S, Fujita K, Fujii S, Takahashi S, Shigeta K, Karakama J, et al.
PLoS One . 2024 Sep; 19(9):e0310906. PMID: 39325746
Rationale: Thromboembolism is a serious complication of endovascular treatment for ruptured cerebral aneurysms. The administration of antiplatelet agents before endovascular treatment for ruptured cerebral aneurysms may reduce the risk of...
7.
Al-Busani H, Namiki T, Yokoyama K, Miura K, Okiyama N
J Dermatol . 2024 Jul; 51(12):e452-e453. PMID: 38963315
No abstract available.
8.
Komatsu K, Kimura S, Kiryu Y, Watanabe A, Kinai E, Oka S, et al.
Glob Health Med . 2024 Jul; 6(3):174-182. PMID: 38947408
People living with human immunodeficiency virus (HIV) are at high risk of mental health problems. However, little is known about this risk in HIV-infected patients with hemophilia (HPH) who contracted...
9.
Imokawa T, Yokoyama K, Takahashi K, Oyama J, Tsuchiya J, Sanjo N, et al.
Jpn J Radiol . 2024 Jun; 42(11):1215-1230. PMID: 38888851
The findings of brain perfusion single-photon emission computed tomography (SPECT), which detects abnormalities often before changes manifest in morphological imaging, mainly reflect neurodegeneration and contribute to dementia evaluation. A major...
10.
Fujii M, Yokoyama K, Tanaka Y, Kobayashi D, Tateishi U
Cureus . 2024 May; 16(5):e61034. PMID: 38800783
Sphenoid sinus hemangiomas are uncommon and pose significant diagnostic challenges due to their rarity and the complex symptoms associated with their critical anatomical location. This report discusses a woman in...