# Brainstem and SEZ anatomy — 3DCG atlas of brainstem & SEZ

> 3DCG atlas of brainstem & SEZ (iPhone/iPad app by Satoshi Kiyofuji.)

- Source: https://appshunter.io/ios/app/brainstem-and-sez-anatomy/id1534092406 (this page in markdown: same URL + `.md`)
- Developer: [Satoshi Kiyofuji](https://appshunter.io/developer/1518722111)
- Category: Education, Medical
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 305 MB
- Languages: English
- Released: 2020-10-01
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/brainstem-and-sez-anatomy/id1534092406/reviews.md

## What is Brainstem and SEZ anatomy?

Usability is pretty intuitive: you can drag or pinch your iPhone/iPad screen to mobilize or magnify the model. 

Traditional textbooks or anatomy books only described two-dimensional sections of the brainstem, and realistic three-dimensional understanding relied on your imagination. By using 3DCG originally invented by Dr. Yukinari Kakzawa, MD, PhD (department of Neurosurgery, Suwa red cross hospital), this App makes understanding complex 3D relationships of neurostructures easier.

You can study inner structures of the brainstem by tapping the screen: The outline becomes transparent, and you can observe inner nerve fibers or nuclei. 

When you tap a safe entry zone (demonstrated in red cylinders), related structures are highlighted, and major surgical approaches, potential complications, and small notes are provided. More than twenty papers or textbooks were consulted to obtain information regarding the safe entry zones to the brainstem, and 26 safe entry zones (16 species) are demonstrated on this App.

For presurgical imaginary simulation, you can put imaginary lesion demonstrated in a purple sphere or ellipse on the brainstem on lesion mode. The size can be adjusted as you refer to the scale on the screen.

The scenes you created can be saved into the App’s library, which can be instantly replayed by tapping Scenes button. Those scenes can also be saved to your local device by tapping Capture button.


## Version history (last 2 releases)

### 1.1 — 2020-10-11

Maximized language function and corrected misprints.

### 1.0 — 2020-10-01

No release notes.

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## More apps by Satoshi Kiyofuji

- [脳観](https://appshunter.io/ios/app/id1518722112)
- [milo evd simulator](https://appshunter.io/ios/app/milo-evd-simulator/id6744915992)

All apps by Satoshi Kiyofuji: https://appshunter.io/developer/1518722111

## Related topics

[thalamus core](https://appshunter.io/ios/topics/thalamus-core)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-15.*