Evidence map›Paper›PMID 42390198›Full record

ArticleVeterinary medicine and science2026

Disseminated Metastatic Tubulopapillary Mammary Carcinoma in a Captive Fennec Fox (Vulpes zerda).

Byungkwan Oh, Chae Woong Lim, Sang-Ik Oh, Bumseok Kim

Abstract readCase Reports
In one paragraph

Article in Veterinary medicine and science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Byungkwan OhBiosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea.
Chae Woong LimBiosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea.
Sang-Ik OhBiosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea.
Bumseok KimBiosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Republic of Korea.ORCID https://orcid.org/0000-0003-0392-2513

Funding

National Institute of Wildlife Disease Control and Prevention (NIWDC)National Research Foundation of Korea
6 · The paper itself

Abstract

backgroundMammary gland tumours (MGTs) are common in women and domestic carnivores but appear to be rare in wild canids. CASE PRESENTATION: A 14-year-old female fennec fox (Vulpes zerda) was hospitalised due to dyspnea, received supportive treatment, but died 3 days later and was submitted for necropsy. Gross examination revealed an emaciated fox with multiple firm white nodules involving the mammary gland region, left pectoral muscle, lungs and pleural surfaces. Histologically, these nodules consisted of an infiltrative mammary epithelial neoplasm forming tubulopapillary structures with marked nuclear pleomorphism, characterised by hyperchromatic, clumped nuclei. Immunofluorescence labelling revealed strong estrogen receptor alpha (ERα) expression confined to the cytoplasm of tumour cells across all examined sites, an unusual pattern, compared with the typically nuclear ERα staining reported in MGTs.

conclusionsBased on these findings, the MGT in this fennec fox was diagnosed as a Grade II tubulopapillary carcinoma. This case represents the first description of a mammary gland carcinoma with widespread systemic metastasis in a fennec fox.

Indexed as

CarcinomaFoxesMammary Neoplasms, AnimalAnimalsFatal OutcomeFemaleestrogen receptor alphafennec foxmammary gland carcinomametastasistubulopapillary carcinoma

Identifiers

PMID42390198
PMCPMC13325544

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