High magnification <a href="https://en.wikipedia.org/wiki/micrograph" class="extiw" title="w:micrograph">micrograph</a> of the <b><a href="https://en.wikipedia.org/wiki/herringbone_pattern" class="extiw" title="w:herringbone pattern">herringbone pattern</a></b> in a <b><a href="https://en.wikipedia.org/wiki/malignant_peripheral_nerve_sheath_tumour" class="extiw" title="w:malignant peripheral nerve sheath tumour">malignant peripheral nerve sheath tumour</a></b>, abbreviated <b>MPNST</b>.
<p>MPNST is a <a href="https://en.wikipedia.org/wiki/diagnosis_of_exclusion" class="extiw" title="w:diagnosis of exclusion">diagnosis of exclusion</a>.  It has a histomorphologic appearance that is similar to <a href="https://en.wikipedia.org/wiki/synovial_sarcoma" class="extiw" title="w:synovial sarcoma">synovial sarcoma</a> and <a href="https://en.wikipedia.org/wiki/fibrosarcoma" class="extiw" title="w:fibrosarcoma">fibrosarcoma</a>.
</p>
<h2><span class="mw-headline" id="Related_images">Related images</span></h2>
<ul class="gallery mw-gallery-traditional"><li class="gallerybox" style="width: 155px"><div style="width: 155px">
			<div class="thumb" style="width: 150px;"><div style="margin:35px auto;"><a href="//commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg" class="image" title="Intermed. mag."><img alt="Intermed. mag." src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg/120px-Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg" decoding="async" width="120" height="80" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg/180px-Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg/240px-Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg 2x" data-file-width="4272" data-file-height="2848"></a></div></div>
			<div class="gallerytext">
<p>Intermed. mag.
</p>
			</div>
		</div></li>
		<li class="gallerybox" style="width: 155px"><div style="width: 155px">
			<div class="thumb" style="width: 150px;"><div style="margin:35px auto;"><a href="//commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg" class="image" title="High mag."><img alt="High mag." src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg/120px-Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg" decoding="async" width="120" height="80" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg/180px-Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg/240px-Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg 2x" data-file-width="4272" data-file-height="2848"></a></div></div>
			<div class="gallerytext">
<p>High mag.
</p>
			</div>
		</div></li>
		<li class="gallerybox" style="width: 155px"><div style="width: 155px">
			<div class="thumb" style="width: 150px;"><div style="margin:35px auto;"><a href="//commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg" class="image" title="Very high mag."><img alt="Very high mag." src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg/120px-Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg" decoding="async" width="120" height="80" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg/180px-Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg/240px-Malignant_peripheral_nerve_sheath_tumour_-_very_high_mag.jpg 2x" data-file-width="4272" data-file-height="2848"></a></div></div>
			<div class="gallerytext">
<p>Very high mag.
</p>
			</div>
		</div></li>
</ul>
<a href="//commons.wikimedia.org/wiki/User:Nephron" title="User:Nephron">Nephron</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>