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  1. Article

    Open Access

    Outcomes of Patients with an Intermediate-Risk Group According to the Japanese Risk Classification of Papillary Thyroid Carcinoma

    The management of intermediate-risk group of papillary thyroid cancer (PTC) is still vague, particularly regarding whether or not total thyroidectomy, postoperative radioactive iodine ablation (RAI-a), and pos...

    Kiyomi Horiuchi, Mikiko Fujimoto, Kamio Hidenori in World Journal of Surgery (2023)

  2. Article

    Open Access

    Pathological multifocality is not a prognosis factor of papillary thyroid carcinoma: a single-center, retrospective study

    Non-total thyroidectomy (non-TTx) is a widely accepted operative procedure for low-risk papillary thyroid carcinoma (PTC). PTC patients preoperatively diagnosed with unifocal disease are often revealed as havi...

    Yoko Omi, Kento Haniu, Hidenori Kamio in World Journal of Surgical Oncology (2022)

  3. Article

    Open Access

    Papillary thyroid microcarcinoma with multiple pulmonary metastases following lung cancer surgery: a case report

    Distant metastasis is extremely rare for papillary thyroid microcarcinoma (PTMC) without lymph node metastasis or extrathyroidal extension, for which active surveillance (AS) is indicated. The evaluation of di...

    Hidenori Kamio, Hiromi Onizuka, Yusaku Yoshida, Yoko Omi in Surgical Case Reports (2022)

  4. Article

    Open Access

    Breast metastasis from medullary thyroid carcinoma: a report of a case

    Metastasis to the breast is rare. We herein report a patient with metastatic medullary thyroid carcinoma to the breast for whom measuring the calcitonin level was an important clue to the correct diagnosis.

    Yoko Omi, Hidenori Kamio, Yusaku Yoshida, Kenta Masui in Surgical Case Reports (2021)

  5. Article

    Open Access

    Parathyroid carcinoma in a 13-year-old girl with a long-term survival

    Parathyroid carcinoma as a cause of primary hyperparathyroidism in children is extremely rare. We report a case of parathyroid carcinoma which occurred in a 13-year-old girl who survived for more than 45 years...

    Yoko Omi, Tomoko Yamamoto, Yoji Nagashima, Koichiro Abe in Surgical Case Reports (2020)

  6. No Access

    Article

    Impact of “Tailored” Parathyroidectomy for Treatment of Primary Hyperparathyroidism in Patients with Multiple Endocrine Neoplasia Type 1

    Whether total parathyroidectomy (TPTX) or subtotal parathyroidectomy (SPTX) should be performed for primary hyperparathyroidism (PHPT) in patients with multiple endocrine neoplasia type 1 (MEN1) is controversi...

    Kiyomi Horiuchi, Momoko Sakurai, Kento Haniu, Erin Nagai in World Journal of Surgery (2018)

  7. No Access

    Article

    Probability of axillary lymph node metastasis when sentinel lymph node biopsy is negative in women with clinically node negative breast cancer: a bayesian approach

    Although sentinel lymph node biopsy (SLNB) is highly accurate in predicting axillary nodal status in patients with breast cancer, it has been shown that the procedure is associated with a few false negative re...

    Takahiro Okamoto, Kiyomi Yamazaki, Masako Kanbe, Hitomi Kodama, Yoko Omi in Breast Cancer (2005)

  8. No Access

    Article

    Adult-Type Ganglioneuroblastoma in the Adrenal Gland Treated by a Laparoscopic Resection: Report of a Case

    A case of ganglioneuroblastoma in the adrenal gland of a 50-year-old man is reported. The patient was incidentally found to have a nonfunctioning tumor in the right adrenal gland. The tumor, measuring 4.5 cm, ...

    Kenta Koike, Masatoshi Iihara, Masako Kanbe, Yoko Omi, Motohiko Aiba in Surgery Today (2003)