Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 227,730,424 papers from all fields of science
Search
Sign In
Create Free Account
Neoplasms, Unknown Primary
Known as:
cancer of unknown primary origin
, Cancer of Unknown Primary Site
, Primary Neoplasm, Occult
Expand
Cancer in which the site of the primary (original) tumor cannot be found. Most metastases from occult primary tumors are found in the head and neck.
National Institutes of Health
Create Alert
Alert
Related topics
Related topics
14 relations
Blood supply aspects
In Blood
Microbiological
Neoplastic Cell
Expand
Narrower (3)
Carcinoma of unknown primary
Unknown Primary Tumors
occult malignancy
Broader (1)
Malignant Neoplasms
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2009
Highly Cited
2009
Heterotransplantation of human adenocarcinomas of the colon and rectum to the mouse mutant Nude. A study of nine consecutive transplantations.
C. Povlsen
,
J. Rygaard
Acta pathologica et microbiologica Scandinavica…
2009
Corpus ID: 39692623
Successful heterotransplantation of 6 out of 9 consecutively transplanted adenocarcinomas of the human colon and rectum to the…
Expand
Highly Cited
2004
Highly Cited
2004
CXCR4 expression in neuroblastoma primary tumors is associated with clinical presentation of bone and bone marrow metastases.
H. Russell
,
J. Hicks
,
M. Okcu
,
J. Nuchtern
Journal of Pediatric Surgery
2004
Corpus ID: 21876024
Highly Cited
1994
Highly Cited
1994
Higher frequency of alterations in the p16/CDKN2 gene in squamous cell carcinoma cell lines than in primary tumors of the head and neck.
S. Y. Zhang
,
Andres J Klein-Szanto
,
+6 authors
T. Goodrow
Cancer Research
1994
Corpus ID: 13929876
Sixty-eight primary head and neck squamous cell carcinomas and nine head and neck squamous cell carcinoma cell lines were…
Expand
Highly Cited
1994
Highly Cited
1994
Expression of a 31‐kDa lactoside‐binding lectin in normal human gastric Mucosa and in primary and metastatic gastric carcinomas
R. Lotan
,
Hisao Ito
,
W. Yasui
,
H. Yokozaki
,
D. Lotan
,
E. Tahara
International Journal of Cancer
1994
Corpus ID: 31857716
The expression of lactoside‐binding lectin L‐31 was analyzed in normal mucosa and in primary and metastatic gastric carcinomas…
Expand
Highly Cited
1992
Highly Cited
1992
Calretinin-immunoreactive neurons in the primary visual cortex of dolphin and human brains
I. Glezer
,
P. Hof
,
P. Morgane
Brain Research
1992
Corpus ID: 1986965
Highly Cited
1991
Highly Cited
1991
High levels of p19/nm23 protein in neuroblastoma are associated with advanced stage disease and with N-myc gene amplification.
Nabil Hailat
,
D. Keim
,
+8 authors
S. Hanash
Journal of Clinical Investigation
1991
Corpus ID: 102436
The gene encoding a novel protein designated nm23-H1, which was recently identified as identical to the A subunit of nucleotide…
Expand
Highly Cited
1987
Highly Cited
1987
In-hospital prognosis of patients with acute myocardial infarction complicated by primary ventricular fibrillation.
A. Volpi
,
A. Maggioni
,
M. Franzosi
,
S. Pampallona
,
F. Mauri
,
G. Tognoni
New England Journal of Medicine
1987
Corpus ID: 35419456
The in-hospital prognosis of patients with acute myocardial infarction complicated by primary ventricular fibrillation has not…
Expand
Highly Cited
1980
Highly Cited
1980
Polycyclic aromatic primary amines as determinant chemical mutagens in petroleum substitutes.
M. Guerin
,
C.-h. Ho
,
T. K. Rao
,
B. R. Clark
,
J. L. Epler
Environmental Research
1980
Corpus ID: 13224791
Highly Cited
1979
Highly Cited
1979
Primary tumors of the heart and pericardium.
Mcallister Ha
1979
Corpus ID: 68134787
Highly Cited
1975
Highly Cited
1975
Automatic Monitoring of primary amines in preparative column effluents with fluorescamine.
Peter Böhlen
,
S. Stein
,
J. Stone
,
S. Udenfriend
Analytical Biochemistry
1975
Corpus ID: 12027625
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE