WordNet

of first rank or importance or value; direct and immediate rather than secondary; "primary goals"; "a primary effect"; "primary sources"; "a primary interest"
a preliminary election where delegates or nominees are chosen (同)primary_election
one of the main flight feathers projecting along the outer edge of a birds wing (同)primary feather, primary quill
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it
not derived from or reducible to something else; basic; "a primary instinct"
not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
a variable whose values are solutions of an equation (同)unknown_quantity
an unknown and unexplored region; "they came like angels out the unknown" (同)unknown region, terra_incognita
not known to exist; "things obscurely felt surged up from unknown depths"
an abnormal new mass of tissue that serves no purpose (同)tumour, neoplasm

PrepTutorEJDIC

『第一の』,『主要な』 / 『初期の』,『初等の』,初級の / 『根本的な』,基本的な,本来の,直接的な / 《名詞の前にのみ用いて》(回路・コイル・巻き・電流などが)一次の / 原色(三原色の一つ) / 《米》=primary election
『知られていない』,不明の,無名の / 『未確認の』,未発見の,未知の
知らない,気づかない

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1. 原発不明癌の分類およびマネージメントの概要 overview of the classification and management of cancers of unknown primary site
2. 原発不明の腺癌 adenocarcinoma of unknown primary site
3. 原発不明の扁平上皮癌 squamous cell carcinoma of unknown primary site
4. 原発不明の神経内分泌腫瘍 neuroendocrine cancer of unknown primary site
5. 原発不明の低分化癌 poorly differentiated cancer from an unknown primary site

Usefulness and pitfall of Narrow band imaging combined with magnifying endoscopy for detecting an unknown head and neck primary site with cervical lymph node metastasis.

Masaki T, Katada C, Nakayama M, Takeda M, Miyamoto S, Seino Y, Matsuba H, Okamoto T, Koizumi W, Tanabe S, Horiguchi S, Okamoto M, Muto M.SourceDepartment of Otorhinolaryngology, Kitasato University School of Medicine, Sagamihara, Japan.
Auris, nasus, larynx.Auris Nasus Larynx.2012 Oct;39(5):502-6. Epub 2012 Feb 21.
OBJECTIVE: Cervical nodal metastasis from clinically undetectable primary squamous cell carcinoma (SCC) accounts for 1-2% of head and neck malignancies. We retrospectively evaluate the ability of Narrow band imaging combined with magnifying endoscopy (NBI-ME) to detect the primary sites of superfici
PMID 22361413

Flicker K, Ulz P, Höger H, Zeitlhofer P, Haas OA, Behmel A, Buchinger W, Scheuba C, Niederle B, Pfragner R, Speicher MR.SourceInstitute of Human Genetics, Medical University of Graz, Graz, Austria.
International journal of cancer. Journal international du cancer.Int J Cancer.2012 Jul 15;131(2):E66-73. doi: 10.1002/ijc.26494. Epub 2011 Nov 28.
Hereditary and sporadic medullary thyroid carcinoma (MTC) are closely associated with RET proto-oncogene mutations. However, the role of additional changes in the tumor genomes remains unclear. Our objective was the identification of chromosomal regions involved in MTC tumorigenesis and to assess th
PMID 22038905

Acute Liver Failure Associated with Diffuse Hepatic Infiltration of Malignant Melanoma of Unknown Primary Origin

Tanaka Kaori,Tomita Hiroyuki,Hisamatsu Kenji,Hatano Yuichiro,Yoshida Kazuhiro,Hara Akira
Internal Medicine 54(11), 1361-1364, 2015
… No tumor cells were detected in the skin lesions or lymph nodes. … Immunohistochemically, the patient was diagnosed to have metastasis from malignant melanoma of unknown origin. …
NAID 130005072928

Case of Cervical Carcinoma of Unknown Primary Treated Through Multidisciplinary Approach

Ogane Satoru,Kawachi Homare,Onoda Norio,Nishikubo Shuuichi,Tamura Hidetoshi,Shibahara Takahiko
The Bulletin of Tokyo Dental College 56(1), 41-47, 2015
… Carcinoma of unknown primary (CUP) is where the primary site remains unidentified even though metastases are present, and accounts for 3-5% of all human malignancies. …
NAID 130004868708