The Pathology Explorer

15/06/2025

19/05/2025

Embolism refers to the intravascular invasion and transport of a solid, liquid, or gaseous mass (called embolus) from its site of origin to a distant location, where it lodges in the vasculature, often causing tissue dysfunction and ischemia (infarction). In general, consequences of the embolism depend on the composition and origin of the embolus, and on the vascular territory it affects....

Embolism refers to the intravascular invasion and transport of a solid, liquid, or gaseous mass (called embolus) from its site of origin to a distant location, where it lodges in the vasculature, o…

13/05/2025

PathoPolls: Test your knowledge in pathology! #10
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Ciao, Everyone! Our 10th PathoPolls is on mediators of the inflammation. Enjoy! 1. Which of the followings is the principal mediator responsible for the immediate transient phase of increased vascu…

12/05/2025

New Post Out Now!!

Ciao, Everyone! Let’s face it, few regions cause more confusion in pathology than the perianal area. Between the perianal (also known as hepatoid or circumanal) glands and the apocrine glands of th…

06/05/2025

New Post Out Now!

Ciao, Everyone! When dealing with proliferative and ulcerative skin lesions in middle-aged or elderly cats, it is important to understand the distinguishing features of actinic keratosis (AK), Bowe…

04/05/2025

Who doesn't need a brush up on terms. Here is PathoTerms #1.
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Acantholysis refers to the disruption of connections between keratinocytes, leading to their loss of cohesion. This occurs when intercellular junctions (desmosomes) break down, and may result in th…

30/04/2025

New Post: Out Now!

Ciao Everyone! In our explorers’ journey the time to discuss a well-known respiratory porcine disease has arrived. The condition all swine’s veterinarians and farmers know, Atrophic Rhi…

28/04/2025

PathoPolls: Test your knowledge in pathology! #10

💬 What is the most likely diagnosis?

An adult dog 🐕 presented with a nodular lesion of the mammary gland. A neoplastic process was suspected. The dog underwent surgery and subsequent biopsy examination. What is the most likely diagnos…

26/04/2025

Ciao, Everyone! Today is a very special day for the veterinary community: it is the World Veterinary Medicine Day (WVMD)! Every year, the WVMD offers a special opportunity to celebrate the diverse roles veterinarians play in advancing animal and human health. As a veterinary anatomic pathologist, I want to shine a light on a vital but often less visible side of veterinary medicine: …...

Ciao, Everyone! Today is a very special day for the veterinary community: it is the World Veterinary Medicine Day (WVMD)! Every year, the WVMD offers a special opportunity to celebrate the diverse …

21/04/2025

PathoPolls: Test your knowledge in pathology! #8
💬 What is the most likely diagnosis?

An adult dog 🐕 presented with a unilateral perianal swelling. A neoplastic process was suspected. The dog underwent surgery and subsequent biopsy examination. What is the most likely diagnosis? Ans…

17/04/2025

Ciao, Everyone! A new post titled "Classification of Hypersensitivity Diseases - Part 1: Focus on the Type I Reaction" is now out on the blog!
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The immune system is a powerful defense machine, but its intervention is not always beneficial. When the immune response is exaggerated or inappropriate, it can become harmful to the body: this is …

14/04/2025

#1
💬 What's your most likely diagnosis?
💬 What’s the most likely etiology?

A few-days-old foal🐴was presented with bloody diarrhoea, clinical signs progressed rapidly and the animal died in a few hours. What is your most likely diagnosis? What is your most likely etiology?…