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Peer-reviewed veterinary case report

Nodules on my sphynx cat's tail - what is this?

By Fanton, Natalia et al.·Published in Veterinary dermatology·2021·Clinica Veterinaria Tibaldi, Italy·View original on PubMed

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Original publication title: Linear arrector pili muscle hamartoma on the tail of a sphynx cat.

Species:
cat

Plain-English summary

A Sphynx cat had a strange condition on its tail, showing multiple nodules that appeared in a line. These nodules were made of muscle tissue and changed in size over the course of a year. While the condition is known in humans and dogs, it was a unique case for this cat. The good news is that the nodules were not harmful and did not require treatment, as they were not causing any pain or discomfort to the cat.

People also search for: cat tail lumps · Sphynx cat skin problems · why does my cat have nodules on its tail

Abstract

Arrector pili muscle (APM) hamartoma is reported in humans and dogs. We describe a linear APM hamartoma in a sphynx cat. The lesion was characterized by multiple nodules distributed linearly along the tail, made of randomly arranged hypertrophic smooth muscles, the size of which tended to wax-and-wane during a one year follow-up.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33891361/