Helical trauma
Helical trauma was serious bodily injury resulting from being twisted into a spiral or helix shape. 

In 2256, Paul Stamets described the contorted-deaths of the crew of the  as having suffered "helical trauma," which caused their bodies to be twisted and torn apart when the ship hit a Hawking radiation firewall while exiting the mycelial plane. ()

The effect was caused by interacting with the mycelial barrier outside of the safety of the reaction cube. Anyone touching the barrier in such a manner would find themselves twisted around the axes of both Mycelium space and normal space. ()

Medical conditions