Rust phenomenon

Rust phe·nom·e·non

(rūst),
in cancer or caries of the upper cervical vertebrae, the patient will always support the head by the hands when changing from the recumbent to the sitting posture or the reverse.

Rust phe·nom·e·non

(rūst fĕ-nom'ĕ-non)
In cancer or caries of the upper cervical vertebrae, the patient supports the head by the hands when changing from the recumbent to the sitting posture or the reverse.

Rust,

Johann N., German surgeon, 1775-1840.
Rust disease - tuberculosis of the two upper cervical vertebrae and their articulations. Synonym(s): malum vertebrale suboccipitale; spondylarthrocace; spondylocace
Rust phenomenon - in cancer of the upper cervical vertebrae, the patient supports the head by the hands when changing from the recumbent to the sitting posture or the reverse.
Rust sign