# Ultrasound Animal Challenge Halloween Special - What pathology of the lung resembles a ‘spider web’ on ultrasound?

## Metadata
- Content type: Blog
- Canonical URL: https://123sonography.com/blog/cases/ultrasound-animal-challenge-halloween-special-what-pathology-lung-resembles-spider-web
- Published: October 31, 2022

## Overview
Are you ready for a **scary ultrasound**? For our Halloween Edition, we have a scary ultrasound image for you to look at!

## Snapshot
- Category: Cases

## Authors
- [Univ. Prof. Dr. Thomas Binder](/speaker/146) - Medical University of Vienna and founder/CMO 123Sonography, Webinar Moderation

## Content
###

What a tangled web we weave! Are you ready for a **scary ultrasound**? For our Halloween Edition, we have a scary ultrasound image for you to look at!

## What pathology of the lung resembles a ‘spider web’ on ultrasound?

[ ![](https://123sonography.com/sites/default/files/styles/video_thumbnail/public/video/images/us-animal-challenge-spider-sign-preview.png?itok=l5TM03_O "us-animal-challenge-spider-sign-preview.png") ](https://vimeo.com/765659240/28d16a801e&title=0&byline=0&portrait=0)

**A) Typical changes in lung tissue after a spider bite**

**B) Pleural effusion due to heart failure**

**C) A form of complex pleural effusion**

**D) Emphysema**

Want to know the answer? [**Get it here!**](https://123sonography.com/ultrasound-animal-challenge-halloween-spider-sign-answer)

**Yours,
Thomas Binder and the 123sonography team**

PS: If you missed the previous Animal Challenge posts you can always visit our “zoo”:

- [Tiger-stripe Sign](https://123sonography.com/blog/ultrasound-animal-challenge-1-%E2%80%93-what-tiger-stripe-sign)
- [Snake Sign](https://123sonography.com/blog/ultrasound-animal-challenge-2-snake-sign)
- [Tail of a Whale](https://123sonography.com/blog/ultrasound-animal-challenge-3-tail-of-whale)
- [Butterfly Sign](https://123sonography.com/blog/ultrasound-animal-challenge-4-butterfly-sign)
- [Bunny Sign](https://123sonography.com/blog/ultrasound-animal-challenge-5-bunny-sign)