Cited by 1,830Mathematical Biology Tumor GrowthCancer Cells and MetastasisCancer and biochemical research

Determination of subcutaneous tumor size in athymic (nude) mice

Tomayko, Mary M., Reynolds, C. Patrick·1989·Cancer Chemotherapy and Pharmacology

Abstract

The athymic (nude) mouse is a useful model for studying the biology and response to therapies of human tumors in vivo. A survey of recent literature revealed the use of 19 different formulas for determining the size of subcutaneous tumors grown as xenografts in nude mice (2 for determining tumor area, 3 for tumor diameter, and 14 for calculating tumor volume). We compared the volumes, areas, and diameters predicted by each of the 19 formulas with the actual weights of 50 tumors ranging from 0.46 to 22.0 g established in nude mice as xenografts from human cell lines. In addition to determining how well each formula predicted relative tumor size, we analyzed how well each formula estimated actual tumor mass. The ellipsoid volume formulas (pi/6 x L x W x H and 1/2 x L x W x H) were best for estimating tumor mass (r = 0.93), whereas measurements of diameter correlated poorly with tumor mass (r less than 0.66). Although determination of tumor area correlated well with tumor mass in small tumors (r = 0.89), correlations of area with tumor mass for large tumors were poor (r = 0.41). We conclude that determination of the ellipsoid volume from measurements of three axes consistently yields the most accurate estimations of both relative and actual tumor mass.

Integrity signals

Registry

Crossref · 10.1007/bf00300234

Cites

68 of 68 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • The formula π/6(L × W × H) is confirmed to be the best formula representing the actual volume of a wide spectrum of tumor shapes and sizes.

    “Tumor sizes were calculated by the volume formula π/6(L × W × H) [L: the length (longest dimension); W: width (shorter dimension, parallel to the mouse body); H: height (diameter of tumor perpendicular to the length and width)], which is confirmed to be the best formula represented the actual volume of a wide spectrum of tumor shapes and sizes38.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Tomayko, M. M., & Reynolds, C. P.
Affiliations
University of California, Los Angeles (US)
Venue
Cancer Chemotherapy and Pharmacology
Published
1989-09
Volume
24
Issue
3
Pages
148-154
ISSN
  • 0344-5704 (ISSN-L)
  • 1432-0843
OpenAlex
W2155127143
Cited by
1,830
References
68
Citations by year
2026: 78 · 2025: 86 · 2024: 99 · 2023: 132 · 2022: 137 · 2021: 98 · 2020: 118 · 2019: 104 · 2018: 93 · 2017: 106 · 2016: 91 · 2015: 92 · 2014: 80 · 2013: 77 · 2012: 70
FWCI
7.19
Type
journal article
Language
en
Open access
closed
Locations
  • Cancer Chemotherapy and Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (CA44904)
Topics
  • Physical Sciences › Mathematics › Modeling and Simulation › Mathematical Biology Tumor Growth
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer and biochemical research
Keywords
tumor volume measurement, subcutaneous xenograft, nude mice, ellipsoid volume formula, tumor diameter, human cancer cell lines
MeSH terms
Animals, Cell Line, Disease Models, Animal, Humans, Mathematics, Methods, Mice, Nude, Neoplasm Transplantation, Neoplasms, Germ Cell and Embryonal, Neoplasms, Experimental, Neuroblastoma, Mice

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review