Life sciences · Journal article

Feline Mammary Tumors Across Five Countries: A Comparative Literature Review

Theoretical and Natural Science · August 11, 2026

Hypothesis-Generating Why this matters to you Expert discussion

Raises a question worth testing. It does not answer one.

AI Summary

This is a narrative literature review comparing epidemiological characteristics of feline mammary tumors across five countries. It identifies that malignancy rates exceed 83% and that disease burden is highest in older, non-neutered females, but attributes variation to differences in veterinary access and prevention culture rather than reporting pooled evidence or systematic comparison.

What was studied

Narrative literature review. Published literature on feline mammary tumors from Italy, Morocco, Brazil, Thailand, and South Korea. Five countries: Italy, Morocco, Brazil, Thailand, South Korea.

Key findings

Feline mammary tumors are one of the most frequent forms of cancer in cats with highly malignant tendency Malignancy rate is more than 83% across reviewed literature Early ovariohysterectomy is considered the most efficient prevention method

Safety

Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.

Who this may help

This review contextualizes feline mammary tumor epidemiology within socioeconomic and cultural factors affecting prevention and treatment access, but does not provide evidence-based recommendations to guide clinical decision-making or change practice.

Plain-language summary

A narrative literature review that raises comparative epidemiological questions about feline mammary tumors across countries without presenting original data, quantitative synthesis, or evidence of systematic methodology.

Study design

As stated by the source record.

MethodsNarrative literature review

PopulationPublished literature on feline mammary tumors from Italy, Morocco, Brazil, Thailand, and South Korea

SettingFive countries: Italy, Morocco, Brazil, Thailand, South Korea

Reported figures

Quoted from the source exactly as published.

Malignancy ratemore than 83%

Clinical bottom line

Caveats

No systematic review protocol or PRISMA compliance stated; selection criteria for included studies not reported
Exact number of studies reviewed not stated; sample sizes and study designs of included literature not provided
Malignancy figure ('more than 83%') lacks granularity, confidence intervals, and country-by-country breakdown
Causal claims about differences across countries (e.g., 'caused by') are not supported by quantitative comparison or statistical testing

Evidence assessment

Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.

Study design

limited

Narrative review comparing existing literature; no systematic protocol or search strategy stated.

Directness

moderate

Addresses epidemiology and treatment of feline mammary tumors across five named countries.

Consistency

insufficient

Source does not report consistency of findings across included studies or countries.

Risk of bias

insufficient

No mention of bias assessment, study quality evaluation, or selection criteria for included literature.

Sample adequacy

insufficient

No statement of how many studies reviewed, total animals studied, or denominators for prevalence claims.

Source abstract

Feline Mammary Tumors (FMTs) are one of the most frequent forms of cancers in cats, having a tendency to be highly malignant. Many studies are dedicated to the pathophysiology, diagnostic and therapy of these tumors, with mastectomy being the key method for therapy due to the aggressive nature of the disease. Early ovariohysterectomy is considered to be the most efficient way to prevent the occurrence of FMTs. Nevertheless, the epidemiological characteristics (incidence, therapy, and results) are different in various countries. Thus, this review aims to examine literature about FMTs from Italy, Morocco, Brazil, Thailand, and South Korea in order to compare the difference in the epidemiology and treatment of the disease. Though the methods of research and the sources of information differ, FMTs affect old, non-neutered females; moreover, the malignancy rate is more than 83%. Such discrepancy is caused by different accessibility of veterinary care, level of owner's education, preventive measures, and culture of castration.

Follow from this

Taken from the source record, never inferred. Follow any of these and new work involving them reaches your briefing.

Qianyu Chen