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3 & 4 February 2024

Urogenital Tumors in Cats & Dogs:
What if it doesn't go with the flow?


Topics in Veterinary Oncology is an onsite & online congress on Small Animal Clinical Oncology

Topics in Veterinary Oncology (formerly ONCOlogisch Treffen or the Dutch International

Veterinary Oncology Conference) has been organized for the past 18 years

The congress' subject is always centered around 1 topicThis can be: 

an organ system (GI, respiratory, skin...),

a tumor type (neuro-endocrine, soft tissue sarcomas...),

a species (feline) or

a presentation (emergency oncology)

It’s been 14 years since we first did a congress on Urogenital Tumors in cats & dogs (take a peek at our History page here). We thought it was good to come up with update on this subject. These tumors are quite regularly seen in clinical practice and they are often difficult to treat, let alone to cure. Many things have changed in the course of 14 years. Minimally invasive techniques have become more widely available in veterinary medicine. Techniques like SUBs have been developed over time, that didn’t exist in the early days. Other things maybe haven’t changed technically (mastectomies, urethrostomies…), but insights may have changed with regard to how we look at them and when and how we use them. 


Buckle up for a 2-day congress with items on ovarian tumors and their paraneoplastic syndromes, uterine and vaginal tumors, testicular tumors, penile cancer, radical vaginectomy, penile surgery, urethrostomy types, amputation & reconstruction of the prepuce, post-surgery follow-up, renal lymphoma and carcinoma, radical mastectomy vs mammectomy vs nodulectomy and much more...

The subject is always discussed in-depth by:

a medical oncologist,

a surgical oncologist,

a radiotherapist,

a diagnostic imager

a pathologist

Read all about our former congresses here:

H E R E' S   S O M E   F O O T A G E   F R O M   L A S T   Y E A R' S   C O N G R E S S 



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Definitive program

day 1, Saturday 3 February 2024

chairpeople: dr. Joachim Proot & dr. Ruth Fortrie (both dipl.ECVS)


08.30 Registration & coffee

09.00 Congress opening

Session on Tumors of the Upper Urinary Tract

09.15 An overview of the tumors of upper urinary tract

medical oncologist: dr. Jarno Schmidt


09.35 Renal and ureteral tumors, radiologists point-of-view

medical imager: dr. Susanne Boroffka

10.00 Surgical removal of upper urinary tract tumors

oncological surgeon: dr. Jonathan Bray


10.15  Coffee break

10.45  SUB placement for malignancies 

interventional radiologist: dr. Gerard McLauchlan

11.25 Medical treatment for renal & ureteral tumors, options & prognosis

medical oncologist: dr. Jarno Schmidt


11.45  Time for questions & panel discussion 

all speakers


12.00  Lunch


13.15   Key-note lecture on 'Preoperative chemo-immunotherapy in patients with locally advanced urinary tract cancer'

professor Joost Boormans (MD), Erasmus Hospital Rotterdam

Session on Bladder & Urethral tumors

14.00 Lower urinary tract tumors, an overview

medical oncologist: dr. Jarno Schmidt


14.30  Bladder & urethral cancers, radiologic features

medical imager: dr. Susanne Boroffka

15.00  Coffee break

15.30   Bladder & urethral tumors, minimally invasive treatment options

interventionalist: dr. Gerard McLaughlan

16.15   Medical treatment strategies & prognosis for lower urinary tract tumors

medical oncologist: dr. Jarno Schmidt

16.45  Time for questions & panel discussion

17.15   Welcome drink at the bar offered by the Collaborative Veterinary Cancer Centers

19.00  Dinner & Live Music

day 2, Sunday 4 February 2024

chairpeople: dr. Joachim Proot & dr. Ruth Fortrie (both dipl. ECVS)


08.30    Welcome & coffee

Session on Prostatic Tumors    

09.00   Tumors of the prostate, an overview

medical oncologist: dr. Jarno Schmidt

09.15   How to differentiate benign prostatic disease from malignancies using medical imaging

medical imager: dr. Susanne Boroffka

09.45 Surgery of prostate tumors: to cut or not to cut?

oncological surgeon: dr. Jonathan Bray

10.15   Coffee break

10.45  Newest minimally invasive techniques, insights & challenges

interventionalist: dr. Gerard McLauchlan

11.30  Medical treatment options & prognosis for prostatic cancer

medical oncologist: drJarno Schmidt

11.45   Time for questions & panel discussion

all speakers

12.00  Announcement of the winner of the Johan de Vos AWARD, sponsored by the Dutch Animal Cancer Foundation 

awarded by dr. Bart de Leeuw


12.15   Lunch

Session on genital tract tumors

13.30  A brief overview of genital tract tumors

medical oncologist: dr. Jarno Schmidt

14.00  My two most maximally invasive & spectacular surgeries 

oncological surgeon: dr. Jonathan Bray

14.30   Panel discussion

different dog breeds: guidelines for spaying, discussion with the audience

14.45   Coffee break

Session on mammary gland tumors

15.15  Tumors of the mammary gland: a brief overview

medical oncologist: dr. Jarno Schmidt

15.45   Updates on Mammary gland tumor surgery: what has changed in the last 15 years? 

oncological surgeon: dr. Jonathan Bray

16.15   Time for questions & panel discussion

16.30   Closing ceremony


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We wish to thank the sponsors for their financial support!




As always, congress center is 'Kontakt der Kontinenten' in Soesterberg, close to Utrecht.

Your hotel accommodation can be booked on the congress center's website or directly on this booking link

There's a large parking lot with charging options for EVs.

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The early bird ends 31st November 2023 at midnight !

Full 2-day congress

on-site and/or online

and/or on-demand

It doesn't matter whether you wish:

  • to attend onsite,

  • follow the congress online,

  • or even split and take a day onsite and a day online,

  • or follow everything on-demand at your own pace in the months to come

Saturday evening 


Great choice of dinner at the congress center buffet. In a nice atmosphere you can enjoy good food and drinks together with colleagues from all over Europe, exchange ideas and have fun after a day of gathering knowledge. 

The food type is 'world kitchen'.

You will be redirected to the congress website of Yellenge, our partner in online streaming, video capture and congress organisation
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