WordNet

of or relating to or characteristic of or appropriate for children or young people; "juvenile diabetes"; "juvenile fashions"
a young person, not fully developed (同)juvenile person
any of several malignant neoplasms (usually of the skin) consisting of melanocytes (同)malignant_melanoma

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Strazzula L1, Senna MM2, Yasuda M2, Belazarian L3.
Journal of the American Academy of Dermatology.J Am Acad Dermatol.2014 Aug 27. pii: S0190-9622(14)01756-3. doi: 10.1016/j.jaad.2014.07.026. [Epub ahead of print]
The deep penetrating nevus (DPN), also known as the plexiform spindle cell nevus, is a pigmented lesion that commonly arises on the head and neck in the first few decades of life. Histopathologically, the DPN is wedge-shaped and contains melanocytes that exhibit deep infiltration into the dermis. Gi
PMID 25175710

Clinical and pathologic findings of Spitz nevi and atypical Spitz tumors with ALK fusions.

Busam KJ1, Kutzner H, Cerroni L, Wiesner T.
The American journal of surgical pathology.Am J Surg Pathol.2014 Jul;38(7):925-33. doi: 10.1097/PAS.0000000000000187.
Spitz tumors represent a group of melanocytic neoplasms that typically affect young individuals. Microscopically, the lesions are composed of cytologically distinct spindle and epithelioid melanocytes, with a range in the architectural display or the cells, their nuclear features, and secondary epid
PMID 24698967

Histomorphologic assessment and interobserver diagnostic reproducibility of atypical spitzoid melanocytic neoplasms with long-term follow-up.

Gerami P1, Busam K, Cochran A, Cook MG, Duncan LM, Elder DE, Fullen DR, Guitart J, LeBoit PE, Mihm MC Jr, Prieto VG, Rabkin MS, Scolyer RA, Xu X, Yun SJ, Obregon R, Yazdan P, Cooper C, Weitner BB, Rademaker A, Barnhill RL.
The American journal of surgical pathology.Am J Surg Pathol.2014 Jul;38(7):934-40. doi: 10.1097/PAS.0000000000000198.
Predicting clinical behavior of atypical Spitz tumors remains problematic. In this study, we assessed interobserver agreement of diagnosis by 13 expert dermatopathologists for atypical Spitz tumors (n=75). We determined which histomorphologic features were most heavily weighted for their diagnostic
PMID 24618612

服部瑛,田村多繪子,堤箸延幸
西日本皮膚科 60(5), 639-642, 1998
1歳9ヵ月の女児にみられた若年性黒色腫を報告した。この腫瘍は右頬骨部にあり, 5×5mm, 半球状隆起, 淡紅色であった。病理組織学的に典型的で, 腫瘍細胞は大部分が大型の紡錘形細胞からなっていた。腫瘍細胞は, 免疫組織化学的にS-100蛋白陽性, HMB 45は陰性であった。初診(1996年4月)の1ヵ月後, 腫瘍をくりぬき法で切除した。2週間で再発し, 同年6月再切除した。同年9月再び再発し, …
NAID 130004474465