# Atraumatic Myositis Ossificans of the Digastric Muscle: Case Report

**Authors:** Samuel Tschopp, Urs Borner, Florian Dammann, Roland Giger

PMC · DOI: 10.1002/ccr3.71312 · Clinical Case Reports · 2025-10-15

## TL;DR

This case report describes a rare non-cancerous condition in the head and neck that can be mistaken for cancer.

## Contribution

The paper highlights the importance of recognizing atraumatic myositis ossificans to prevent misdiagnosis and unnecessary treatment.

## Key findings

- Atraumatic myositis ossificans in the head and neck is rare and can resemble sarcoma.
- Biopsies and imaging may be inconclusive, leading to diagnostic challenges.
- Awareness of this condition is essential to avoid overtreatment.

## Abstract

Atraumatic myositis ossificans in the head and neck is rare and diagnostically challenging. Its rapid growth, frequently inconclusive biopsies, and nonspecific imaging findings can mimic malignancy, such as sarcoma, leading to potential misdiagnosis. Awareness of this entity is crucial for clinicians to avoid unnecessary overtreatment and ensure appropriate management.

## Linked entities

- **Diseases:** myositis ossificans (MONDO:0003964), sarcoma (MONDO:0005089)

## Full-text entities

- **Diseases:** Myositis Ossificans of (MESH:D009221), sarcoma (MESH:D012509), malignancy (MESH:D009369)

## Full text

_Full body text omitted from this summary view._ Fetch the complete paper as Markdown: https://tomesphere.com/paper/PMC12527812/full.md

## Figures

3 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12527812/full.md

## References

12 references — full list in the complete paper: https://tomesphere.com/paper/PMC12527812/full.md

---
Source: https://tomesphere.com/paper/PMC12527812