WordNet

not dangerous to health; not recurrent or progressive (especially of a tumor)
pleasant and beneficial in nature or influence; "a benign smile"; "the benign sky"; "the benign influence of pure air" (同)benignant
kindness of disposition or manner; "the benign ruler of millions"; "benign intentions"
either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine; "urine passes out of the kidney through ureters to the bladder"
an abnormal new mass of tissue that serves no purpose (同)tumour, neoplasm

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1. 腎の小腫瘤の診断的アプローチ、鑑別診断、および治療 diagnostic approach differential diagnosis and treatment of a small renal mass
2. 腎細胞癌の疫学、病理、および病因 epidemiology pathology and pathogenesis of renal cell carcinoma
3. 非淡明細胞型腎癌に対する治療アプローチ the treatment approach to non clear cell renal carcinoma
4. 腎細胞癌の臨床症状、評価、および病期分類 clinical manifestations evaluation and staging of renal cell carcinoma
5. Total pancreatectomy

Renal Cell Carcinomas: Sonographic Appearance Depending on Size and Histologic Type.

Sidhar K1, McGahan JP2, Early HM1, Corwin M1, Fananapazir G1, Gerscovich EO1.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine.J Ultrasound Med.2016 Feb;35(2):311-20. doi: 10.7863/ultra.15.03051. Epub 2016 Jan 6.
OBJECTIVES: Prior studies have demonstrated that approximately 10% of malignant renal cell carcinomas are as echogenic as angiomyolipomas on sonography. However, a recent presentation suggested that small (<1-cm) echogenic renal masses are always angiomyolipomas or other benign entities. We there
PMID 26740493

Successful en bloc venous resection with reconstruction and subsequent radiotherapy for 2 consecutive recurrences of intravenous leiomyoma-a case report.

Zhang Y1,2, Clark LH3, Sheng X4, Zhou C5,6.
BMC cancer.BMC Cancer.2016 Jan 6;16(1):6. doi: 10.1186/s12885-015-2045-8.
BACKGROUND: Intravenous leiomyomas are a rare variant of uterine leiomyoma. Although histologically benign, these tumors are associated with a poor prognosis due to propensity for metastasis, high recurrence rate, difficulty of obtaining complete resection, and frequent extension into and along majo
PMID 26739818

Cryoablation for Small Renal Masses: Selection Criteria, Complications, and Functional and Oncologic Results.

Zargar H1, Atwell TD2, Cadeddu JA3, de la Rosette JJ4, Janetschek G5, Kaouk JH6, Matin SF7, Polascik TJ8, Zargar-Shoshtari K9, Thompson RH10.
European urology.Eur Urol.2016 Jan;69(1):116-28. doi: 10.1016/j.eururo.2015.03.027. Epub 2015 Mar 26.
CONTEXT: Cryoablation (CA) is a minimally invasive modality with low complication rates, but its use in urology is relatively recent.OBJECTIVE: To summarize available evidence for CA for small renal masses (SRMs) and to assess the selection criteria, complications, and functional and oncologic resul
PMID 25819723

川口素子,山本智子,田辺晶代,増田昭博,澤田達男,西川俊郎,柴田亮行
東京女子医科大学雑誌 84(E2), E299-E304, 2014-03-31
Oncocytic tumorはミトコンドリアに富む腫瘍細胞からなり、一般的には腎臓や唾液腺に発生することが知られている。今回、我々は、副腎に発生したoncocytic tumorの一例を報告する。症例は50歳代女性。腹痛、肝機能の精査中に副腎偶発腫瘍として発見された。副腎のホルモンは正常範囲内であったが、画像上、副腎腫瘍が疑われ、腫瘤摘出術が行われた。腫瘍は5 x 3 x 2 cm、多結節性で一 …
NAID 110009770499

増栄成泰,増栄孝子,加藤成一 [他],宇野雅博,藤本佳則
泌尿器科紀要 = Acta urologica Japonica 59(3), 149-152, 2013-03
… We performed ultrasound-guided biopsies on 14 patients having tumors that were difficult to distinguish as benign or malignant on computed tomography. … Of the 14 tumors biopsied, 12 were malignant, 1 was benign, and 1 was a sampling error. … Of the 12 malignant tumors, 7 were primary kidney carcinomas. … Three patients with metastatic kidney cancers died of the primary disease. …
NAID 120005244610