Signs, Symptoms & Clinical Features
Numbness / paresthesias (hands)
Numbness or paresthesias are altered sensations like tingling, often in the hands, which can occur in Chiari malformation, especially with a syrinx.
In short: Numbness / paresthesias (hands)
- They are altered sensations such as numbness or tingling.
- They often affect the hands and arms.
- They can result from a syrinx or cord involvement.
- They warrant evaluation as a sign of neurological involvement.
What it is
Numbness or paresthesias are altered sensations — such as numbness, tingling, "pins and needles," or burning — that often affect the hands and arms in Chiari malformation. They can result from a syrinx or other involvement of the spinal cord.
Understanding Numbness / paresthesias (hands)
Because a Chiari-associated syrinx most often forms in the cervical cord, it can affect the sensory pathways supplying the arms and hands, producing numbness or tingling — sometimes in the characteristic "cape-like" distribution over the shoulders and arms (with loss of pain and temperature sensation). Numbness and paresthesias can also occur from other cord involvement. These sensory symptoms are common reasons people with Chiari seek evaluation and can be an early sign of a syrinx. Because the symptoms indicate neurological involvement, they warrant evaluation — including imaging to look for a syrinx. Treatment can halt progression and sometimes improve sensation, though established deficits may persist. Understanding numbness and paresthesias clarifies common sensory symptoms of cord involvement in Chiari.
Why it matters
Understanding numbness and paresthesias helps families recognize hand and arm sensory changes as a possible sign of a syrinx or cord involvement in Chiari that warrants evaluation, including imaging.
Common questions
What are paresthesias?
Altered sensations like tingling or "pins and needles."
Why do they often affect the hands in Chiari?
A cervical syrinx affects the sensory pathways to the arms and hands.
Do they warrant evaluation?
Yes — they can signal a syrinx or cord involvement.
Bottom line
Numbness or paresthesias are altered sensations, often in the hands, that can signal a syrinx or cord involvement in Chiari and warrant evaluation.
Browse all 265 Chiari malformation definitions
Read the Chiari malformation patient guides
Not sure which page you need? Put words to it with the symptom navigator