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"

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(心・表情などが)親切な,優しい / (事情・環境・気候などが)好適な,好都合な / 悪性でない

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/01/26 01:07:43」(JST)

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Benign lipoblastomatosis (also known as an "Embryonic lipoma,"^[1]) is a tumor frequently confused with a liposarcoma, affecting exclusively infants and young children, with approximately 90% occurring before 3 years of age.^[2]^:626

References

^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.
^ James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.

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1. 急速退縮性先天性血管腫（RICH）および非退縮性先天性血管腫（NICH） rapidly involuting congenital hemangioma rich and noninvoluting congenital hemangioma nich
2. 小児期の良性焦点性てんかん benign focal epilepsies of childhood
3. 良性乳房疾患の概要 overview of benign breast disease
4. 新生児や乳児の皮膚および頭皮の良性病変 benign skin and scalp lesions in the newborn and infant
5. Society guideline links: Benign prostatic hyperplasia

English Journal

Intrascrotal lipoblastoma: A report of two cases and a review of the literature.

Eyssartier E, Villemagne T, Maurin L, Machet MC, Lardy H.Author information Service de Chirurgie Pédiatrique Viscérale, Urologique et Plastique, Brûlés, Hôpital Gatien de Clocheville, CHRU de Tours, 37044 TOURS Cedex 9, France. Electronic address: emilie.eyssartier@univ-tours.fr.AbstractLipoblastomas are rare benign mesenchymal tumors of fetal white fat tissue appearing most commonly in children under 3 years of age, and usually affecting the extremities. Only nine cases of intrascrotal lipoblastoma have been reported to our knowledge, and although they are benign, in one case an orchidectomy was performed. We describe two new cases of intrascrotal lipoblastoma, and review the literature.
Journal of pediatric urology.J Pediatr Urol.2013 Dec;9(6):e151-4. doi: 10.1016/j.jpurol.2013.03.016. Epub 2013 May 8.
Lipoblastomas are rare benign mesenchymal tumors of fetal white fat tissue appearing most commonly in children under 3 years of age, and usually affecting the extremities. Only nine cases of intrascrotal lipoblastoma have been reported to our knowledge, and although they are benign, in one case an o
PMID 23664430

[Intrascrotal lipoblastoma in childhood : Diagnostic strategies and therapy planning].

Promm M, Reingruber B, Rösch WH.Author information Klinik für Kinderurologie in Kooperation mit der Universität Regensburg, Klinik St. Hedwig, Steinmetzstraße 1-3, 93049, Regensburg, Deutschland, martin.promm@barmherzige-regensburg.de.AbstractBased on a case report of an intrascrotal lipoblastoma in childhood, we present the preoperative diagnostic algorithm and the main differential diagnoses in testicular and paratesticular tumors as well as their surgical management. An 8-week-old infant was admitted with a scrotal tumor known since birth. MRI showed a pinnate vessel supply, originating in the left internal iliac artery. The tumor was exposed operatively and could be completely removed. Intrascrotal lipoblastoma are rare. Like most testicular and paratesticular tumors in childhood lipoblastomas are benign. Today ultrasound and Doppler sonography are basic tools for diagnosis and surgical planning in testicular and scrotal tumors in childhood. In some cases MRI can provide additional important information for surgical planning. In contrast to adults testis sparing surgery is favoured in children.
Der Urologe. Ausg. A.Urologe A.2013 Dec;52(12):1708-11. doi: 10.1007/s00120-013-3291-5.
Based on a case report of an intrascrotal lipoblastoma in childhood, we present the preoperative diagnostic algorithm and the main differential diagnoses in testicular and paratesticular tumors as well as their surgical management. An 8-week-old infant was admitted with a scrotal tumor known since b
PMID 24276254

Pediatric lipoblastoma of the neck.

Choi HJ, Lee YM, Lee JH, Kim JW, Tark MS.AbstractBACKGROUND: Lipoblastoma is a rare, benign, and encapsulated tumor arising from embryonic white fat. Most of the cases occur in the extremities and the trunk; only a few cases in the head and the neck are reported. Thus, we present a case of lipoblastoma of the neck with a review of the literature.
The Journal of craniofacial surgery.J Craniofac Surg.2013 Sep;24(5):e507-10.
BACKGROUND: Lipoblastoma is a rare, benign, and encapsulated tumor arising from embryonic white fat. Most of the cases occur in the extremities and the trunk; only a few cases in the head and the neck are reported. Thus, we present a case of lipoblastoma of the neck with a review of the literature.P
PMID 24163863