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Takuya Higashiyama

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Articles 117
Citations 2617
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Recent Articles
1.
Onoda N, Yamamoto M, Masuoka H, Kihara M, Higashiyama T, Miya A, et al.
Surg Case Rep . 2025 Feb; 11(1). PMID: 39963384
Introduction: Kartagener's syndrome (KS) is a rare disease characterized by a triad of situs inversus totalis, chronic sinusitis, and bronchiectasis. The disorder is caused by a hereditary genetic abnormality that...
2.
Agarwal S, Jung C, Gaddam P, Hirokawa M, Higashiyama T, Hang J, et al.
Am J Surg Pathol . 2024 Jul; 48(10):1233-1244. PMID: 39004795
Anti-PD immunotherapy is currently under investigation in anaplastic thyroid carcinoma (ATC). Tumor cell surface PD-L1 expression is considered predictive of therapeutic response. Although papillary thyroid carcinoma has been widely studied...
3.
Miyauchi A, Fujishima M, Masuoka H, Sasaki T, Miya A, Ishisaka T, et al.
Laryngoscope . 2024 Mar; 134(8):3868-3873. PMID: 38450749
Objectives: Injury to the external branch of the superior laryngeal nerve (EBSLN) causes low-pitch voice and voice fatigue, particularly in female subjects, and available treatments are limited. Here, we assess...
4.
Kihara M, Miyauchi A, Fujishima M, Ishizaka T, Matsunaga A, Kawano S, et al.
Thyroid Res . 2023 Jul; 16(1):30. PMID: 37475049
The thyroid gland's neurovascular relationship is commonly portrayed as the recurrent laryngeal nerve (RLN) coursing posteriorly to the thyroid gland. We report a rare case with the RLN running anteriorly...
5.
Miyauchi A, Ito Y, Fujishima M, Miya A, Onoda N, Kihara M, et al.
Thyroid . 2023 May; 33(7):817-825. PMID: 37166389
It has been 30 years since the initiation of active surveillance (AS) for adult patients with low-risk papillary thyroid microcarcinoma (PTMC). This study compared the long-term oncological outcomes of patients...
6.
Higashiyama T, Sugino K, Hara H, Ito K, Nakashima N, Onoda N, et al.
Eur J Cancer . 2022 Aug; 173:210-218. PMID: 35932627
Purpose: Anaplastic thyroid cancer (ATC) is a rare and highly aggressive cancer for which effective systemic therapy has long been sought. Here, we assessed the efficacy and safety of lenvatinib...
7.
Onoda N, Hirokawa M, Miya A, Sasaki T, Fujishima M, Masuoka H, et al.
Endocr J . 2022 Jun; 69(10):1227-1232. PMID: 35691821
Parathyroid Lipoadenoma (PLA) contains abundant mature adipose tissue and is a rare cause of hyperparathyroidism. This study aimed to investigate the clinical features of PLA in nine patients with primary...
8.
Ito Y, Hirokawa M, Masuoka H, Higashiyama T, Kihara M, Onoda N, et al.
Endocr J . 2022 May; 69(9):1149-1156. PMID: 35491160
The World Health Organization (WHO) classifies follicular thyroid carcinoma (FTC) into three categories: minimally invasive (mFTC), encapsulated angioinvasive (eaFTC), and widely invasive (wFTC). This study investigated whether this classification is...
9.
Ito Y, Miyauchi A, Fujishima M, Masuoka H, Higashiyama T, Kihara M, et al.
Endocr J . 2022 Apr; 69(9):1131-1136. PMID: 35431281
Older age is recognized as a predictor of poor prognosis in papillary thyroid carcinoma (PTC) patients. However, young age is associated with disease progression of PTC measuring 1 cm or...
10.
Kihara M, Miyauchi A, Hirokawa M, Fujishima M, Masuoka H, Higashiyama T, et al.
Surg Case Rep . 2022 Mar; 8(1):45. PMID: 35292876
Background: The major sites of distant metastases of papillary thyroid carcinoma (PTC) are the lung and bone; metastasis to the liver is rare. Although the postoperative serum thyroglobulin (Tg) level...