
INTERNATIONAL SOCIETY OF VETERINARY DERMATOPATHOLOGY
ADVANCEMENT OF VETERINARY AND COMPARATIVE DERMATOPATHOLOGY
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Case of the Month

February 2025
- September 01 - 2023
- Case of the Month
An 8-year-old, castrated male, Domestic Medium Hair cat presented with a swelling and crusting of the nail fold on digit 3 on the right front paw. He was treated with Convenia, but no improvement was noted on a recheck one
Monika Welle Slide Collection

Intro Letter
- October 16 - 2023
- Monika Welle
Dear Colleagues, As some of you might know, I have collected more than 1500 skin slides over the last 25 years, and I would like to make them available to interested veterinary pathologists and veterinary dermatologists, as well as to residents
Veterinary Dermatology
Veterinary Dermatology is a bi-monthly, peer-reviewed, international journal which publishes papers on all aspects of the skin of mammals, birds, reptiles, amphibians and fish.
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An 8-year-old, castrated male, Domestic Medium Hair cat presented with a swelling and crusting of the nail fold on digit 3 on the right front paw. He was treated with Convenia, but no improvement was noted on a recheck one week later. At recheck, another digit (right hindlimb, digit 4) was noted to also be swollen and crusted. The cat tested negative for FIV/FeLV, and a CBC and chemistry panel were within normal limits. Soaking the paws in Epsom salts did not improve the lesions. Two weeks later, erythema, swelling, and crusting of the nail folds was noted on multiple additional digits, which were mildly to moderately painful. Digit 3 on the right front paw had nearly doubled in size with crusting and bleeding at the nail fold. No additional skin lesions were noted in other body areas. Figure 1.
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FIGURES
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Figure 3. |
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Figure 4. |
Figure 5. H&E, 2x magnification, Scale bar= 500 µm. |
Figure 6. H&E, 10x magnification, Scale bar= 100 µm. |
Figure 7. H&E, 20x magnification, Scale bar= 50 µm. |
Figure 8. H&E, 40x magnification, Scale bar= 20 µm. |
Figure 9. H&E, 20x magnification, Scale bar= 50 µm |
February 2025 - Which of the following is the associated lesion?
2025 ISVD Executive Board

Dr. Med Vet, DECVD, MRCVS, RCVS, Assistant Professor Medicine & Epidemiology Department, School of Veterinary Medicine, University of California Davis, USA

DVM, PhD, DECVP, Department of Pathobiology, Texas A&M University, USA

DVM, ECVP, Veterinary Medicine Department, Universita Degli Studi di Perugia, Italy

William Craft DVM, Dipl ACVP, University of Florida, College of Veterinary Medicine, USA

DVM, MS, DACVP, Innovative Vet Path, Leawood, USA

DVM, MS, PhD, DECVD, DACVD, DACVM, University of Florida, College of Veterinary Medicine, USA

DVM, DACVP, Animal Dermatology Group, Inc, Las Vegas, NV, USA

University of California, Davis
