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- 저자 : Kuni Ohtomo (검색결과 4 건)
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Renal Cell Carcinoma with Double Synchronous Contralateral Adrenal Metastases
Masanori Ishida,Kaoru Kojima,Kuni Ohtomo 대한비뇨의학회 2010 Investigative and Clinical Urology Vol.51 No.12
A 63-year-old male patient visited our hospital with a right incidental renal tumor, which was found by ultrasonography for the follow-up study of chronic hepatitis B virus infection and diabetes mellitus. Consecutive computed tomography revealed a right renal tumor and two left adrenal tumors. Further systemic imaging study and hormonal examination suggested one right renal cell carcinoma and left adrenal metastases. We performed right nephrectomy and left adrenalectomy. The pathological diagnoses of all resected tumors were renal cell carcinoma. The patient has been in good health without any recurrence for 12 months since the operation. In patients with renal cell carcinoma, contralateral adrenal metastasis is usually associated with multiple metastases to other organs. There are a few cases of solitary and synchronous contralateral adrenal metastasis in the English literature. To our knowledge, this is the first report of a case of renal cell carcinoma with double synchronous contralateral adrenal metastases.
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Details of recurrence sites after definitive radiation therapy for cervical cancer
Reiko Kobayashi,Hideomi Yamashita,Kae Okuma,Kuni Ohtomo,Keiichi Nakagawa 대한부인종양학회 2016 Journal of Gynecologic Oncology Vol.27 No.2
Objective: This is a retrospective study aimed at clarifying the details of recurrence patterns and sites in patients with cervical cancer treated with definitive radiation therapy (RT). Methods: Data were analyzed from consecutive patients, admitted to the University of Tokyo Hospital (Tokyo, Japan) between 2001 and 2013, who had received definitive RT, with or without chemotherapy, for International Federation of Gynecology and Obstetrics stages IB– IVA cervical cancer. Results: One hundred and thirty-seven patients formed the patient cohort. The median follow-up period for surviving patients was 57.0 months. A complete response was achieved in 121 patients (88%). Of these, 36 (30%) developed a cancer recurrence during follow-up. The first sites of recurrence were located in intra-RT fields in nine, outside RT fields in 20, and both in seven patients. In the intra-RT field group, all patients showed a local recurrence, while no one experienced an isolated pelvic lymph node (PLN) recurrence. In the outside RT field group, the most frequent site of recurrence was lung (60%), and three-quarters of patients were free from intra-RT field recurrence until the last follow-up. Of the entire cohort, including 48 PLN-positive patients, only seven patients (5.1%) developed PLN persistence or recurrence, all in the common iliac, internal iliac, and/or obturator nodes, and all with another synchronous relapse. Conclusion: Local disease was a major type of intra-RT field recurrence, while PLN control was favorable even in initially PLN-positive patients. The predominance of outside RT field recurrence alone highlights issues concerning distant control, including the intensity enhancement of systematic therapy.
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Masanori Ishida,Wataru Gonoi,Hidemi Okuma,Go Shirota,Yukako Shintani,Hiroyuki Abe,Yutaka Takazawa,Masashi Fukayama,Kuni Ohtomo 대한영상의학회 2015 Korean Journal of Radiology Vol.16 No.4
Computed tomography (CT) is widely used in postmortem investigations as an adjunct to the traditional autopsy in forensic medicine. To date, several studies have described postmortem CT findings as being caused by normal postmortem changes. However, on interpretation, postmortem CT findings that are seemingly due to normal postmortem changes initially, may not have been mere postmortem artifacts. In this pictorial essay, we describe the common postmortem CT findings in cases of atraumatic in-hospital death and describe the diagnostic pitfalls of normal postmortem changes that can mimic real pathologic lesions.
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Hepatic Involvement of Histiocytic Sarcoma: CT and MRI Findings
Takatoshi Kubo,Shigeru Kiryu,Hiroyuki Akai,Yasunori Ota,Arinobu Tojo,Hideo Yoshida,Naoya Kato,Yoshiyasu Nakano,Kuni Ohtomo 대한영상의학회 2016 Korean Journal of Radiology Vol.17 No.5
Histiocytic sarcoma in the liver is an extremely rare hematological malignancy. Herein, we reported the case of a 68-year-old woman who presented with characteristic wedge-shaped abnormality bounded by hepatic veins on computed tomography and magnetic resonance imaging of the liver. In the wedge-shaped area, decreased portal flow and the deposition of iron were observed. These imaging findings are consistent with intrasinusoidal tumor cell infiltration. A liver biopsy was performed, and histiocytic sarcoma was confirmed histopathologically.
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