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New version of the high-accuracy radiotherapy

We have installed the last version of the high-accuracy radiotherapy!

We are really happy!

Now the AOI has the newest software system for the calculation of the radiation treatment plans: similarly to the human medicine, it makes possible to minimize or eliminate the secondary effects of the radiotherapy and to achieve a better tumour control.

Do not hesitate to call us for more information!


The photodynamic therapy (PDT) for facial squamous cell carcinoma in cats

Our colleague, Dr. Irene Flickinger, has recently published a paper about the photodynamic therapy against the squamous cell carcinoma.

Evaluation of long-term outcome and prognostic factors of feline squamous cell carcinomas treated with photodynamic therapy using liposomal phosphorylated metatetra(hydroxylphenyl)chlorine. 

Journal of Feline Medicine and Surgery (2018) Flickinger I, Gasymova E, Dietiker-Moretti S, Tichy A, Rohrer Bley C.

The photodynamic therapy (PDT) is a not-invasive treatment modality for skin tumours, in particular for those occurring on the head of the cat. The PDT involves the use of a special photosensitizer, which makes cancer cells light sensitive. The irradiation with visible light produces oxygen molecules, which destroy the tumour. Most of the time it is possible to achieve a long-term control of the tumour or even cure it.

Congratulation on the publication!  

If you have further questions, do not hesitate to contact us.


Oncology and Diagnostic Imaging

We are a center specialized in Oncology and Diagnostic Imaging.

There are many prejudices, doubts and misunderstandings about cancer therapy. We answer to the most frequently asked questions about it in these short presentations, which you can download as well.

 Chemotherapy in small animals

  • What is chemotherapy and how does it work?
  • Is chemotherapy a risk for humans?
  • What are the side effects of chemotherapy?


Radiotherapy in small animals

  • How is it realized?
  • How does it work?
  • For which patient is it indicated?



Alice Ribbon: together against the hemangiosarcoma

« Alice », a lovely border collie, was treated in the AOI Center for a haemangiosarcoma of the spleen. Her owner, Mrs. Yvonne Belin, after this shocking diagnosis, created a web site in order to inform and support dog owners, who find themselves in a similar situation.

This web site has already been translated in English, German, Italian and Russian. A French and a Japanese Version will be published soon.

Please have a look yourself here:

Herzlich willkommen! Bienvenue! Benvenuta! Welcome!

We are very pleased to welcome Dr. Irene Flickinger (Dipl. ECVIM-Ca Oncology), who joined the AOI Center Team on a full time basis this November 2017. She is bringing with her not only all her experience, but also the newest knowledge from the University of Vienna, where she completed the Residency in Medical Oncology. Beside this she also worked in the USA and in the UK. She was recently head of the service of Medical Oncology at the Tierspital of the University of Zurich.

We are happy to finally work with her!

New specialist at the AOI Center

Since 1st of Juli Dr. Corinne Gloor reinforces the AO-Team. Originally from Canton Aargau, she studied Veterinary Medicine in Zurich and completed the Residency in Internal Medicine at the University of Bern. She speaks fluently German, English and French. She works on Monday and Thursday at the AOI Center.

We are happy to work with her!

Development of a new canine cancer therapy

We are excited about our collaboration with Ecrins Therapeutics, a French based pharmaceutical company, and UK's leading private small animal cancer treatment center VRCC, for the development of a new antivascular drug to fight cancer in dogs. The project is backed by the transnational programme Eurostars. It starts in April 2015 and is scheduled to run for 3 years.

Press release of Ecrins Therapeutics

Superficial tumors of the cat: new research cooperation

We collaborate with the European Synchrotron Radiation Facility in Grenoble to fight specific tumors. Don't hesitate to contact us for further information:

Feline fibrosarcoma and squamous cell carcinoma: new therapeutic options

We offer new therapeutic options for these tumors. Please do not hesitate to contact us for further information: 

Superficial tumors of the dog: new immunotherapy

We apply a novel immunotherapy in the context of a clinical study in collaboration with the ETH Zürich. Don't hesitate to contact us for further information:

New cancer drug for dogs !

We are very pleased to offer a new medication for the treatment of cancer in dogs.


The ECRIN Therapeutics laboratory has developed a new anti-cancer drug that attacks solid tumours at two levels. This treatment, administered orally, combines both antiproliferative and antivascular activity against cancer.


At the AOI, we are the first in Switzerland to be able to use this medication. This project is supported by the EU (Eurostar project) and SERI (State Secretariat for Education, Research and Innovation).


Please feel free to contact us for more information.

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