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Neoplasms, Unknown Primary

Known as: cancer of unknown primary origin, Cancer of Unknown Primary Site, Primary Neoplasm, Occult 
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

Related topics

Related topics

14 relations
Blood supply aspectsIn BloodMicrobiologicalNeoplastic Cell

Narrower (3)

Carcinoma of unknown primaryUnknown Primary Tumorsoccult 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.
Successful heterotransplantation of 6 out of 9 consecutively transplanted adenocarcinomas of the human colon and rectum to the… 
Highly Cited
2004
Highly Cited
2004
CXCR4 expression in neuroblastoma primary tumors is associated with clinical presentation of bone and bone marrow metastases.
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.
Sixty-eight primary head and neck squamous cell carcinomas and nine head and neck squamous cell carcinoma cell lines were… 
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
The expression of lactoside‐binding lectin L‐31 was analyzed in normal mucosa and in primary and metastatic gastric carcinomas… 
Highly Cited
1992
Highly Cited
1992
Calretinin-immunoreactive neurons in the primary visual cortex of dolphin and human brains
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.
The gene encoding a novel protein designated nm23-H1, which was recently identified as identical to the A subunit of nucleotide… 
Highly Cited
1987
Highly Cited
1987
In-hospital prognosis of patients with acute myocardial infarction complicated by primary ventricular fibrillation.
The in-hospital prognosis of patients with acute myocardial infarction complicated by primary ventricular fibrillation has not… 
Highly Cited
1980
Highly Cited
1980
Polycyclic aromatic primary amines as determinant chemical mutagens in petroleum substitutes.
Highly Cited
1979
Highly Cited
1979
Primary tumors of the heart and pericardium.
Highly Cited
1975
Highly Cited
1975
Automatic Monitoring of primary amines in preparative column effluents with fluorescamine.
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