The Microscopic Minute 

a Pocket Pathologist Blog
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The Carcinoma vs. Reactive Mesothelial Cell Conundrum

One of the most commonly misinterpreted cells when it comes to effusion cytology is the reactive mesothelial cell.

Reactive mesothelial cells can look wild! Things we normally consider criteria...

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An ER Case with a Surprise Finding in the Effusion

Today's case spotlight is a 3 year old Yorkie with pleural and abdominal effusion as well as enlarged abdominal and thoracic lymph nodes (very hypoechoic on U/S). He also had low albumin (1.9), BUN...

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👀 Look What Was in this Dog's Chest...

A 6 year old MN Pit Bull rescue presented to the ER for increased respiratory rate.

On presentation, he was dull mentally and febrile. He also was noted to have joint effusion. Chest radiographs...

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One of My Favorite Effusion Cases EVER

What is the most interesting cavity effusion case you’ve seen in practice?

I’ve seen a lot of cool ones, but this is one of my favorites.

This is from a pleural effusion in a 4 year old...

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The 3 Most Important Components for Evaluating Effusions

These three components are most important for evaluating and classifying cavitary effusions.


Total protein: The total protein of the effusion is part of how we classify effusions as...

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How Many Hepatozoon Gamonts can you Fit in One Photo?

Today's case spotlight is shared with us by fellow clinical pathologist, Dr. Giuseppe Menga. This is a buffy coat prep from a dog with Hepatozoon.

Look at those mamajammas!

In his post, Giuseppe...

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