Tarlov Cyst Symptoms by Nerve Root: Understanding How Cyst Location Shapes Experience
When it comes to understanding Tarlov Cyst Disease (TCD), one of the most critical—and frequently misunderstood—aspects is that symptoms vary depending on where along the spine the cysts develop. These fluid-filled sacs, also known as perineural cysts, form around the nerve roots and are most commonly found in the sacral spine (S1–S4). However, they can appear at any level from the cervical to thoracic to lumbar regions.
Tarlov Cyst symptoms aren’t random. They correspond to the specific nerve root being compressed or irritated. This means one patient may experience tailbone pain and pelvic dysfunction, while another may have leg weakness, numbness, or trouble walking. Understanding this connection is crucial for accurate diagnosis and effective care.
Tarlov Cyst Symptoms Overview
Below is a breakdown of Tarlov Cyst symptoms by nerve root, as supported by clinical literature and anatomical studies.
S2, S3, S4 – The Pelvic Zone
These nerve roots control pelvic organs, sexual function, bladder and bowel control, and perineal sensation. Common symptoms include:
- Pelvic pain, pressure, or instability
- Pain in the vagina, penis, scrotum, or perineum
- Pain during intercourse (dyspareunia)
- Urinary symptoms: retention, urgency, frequency, hesitation, incontinence
- Bowel dysfunction: constipation, diarrhea, cramps, urgency, incontinence
- Genital paresthesias (burning, stabbing, or numbness)
- Sexual dysfunction: erectile dysfunction, anorgasmia, retrograde ejaculation
- Persistent Genital Arousal Disorder (PGAD), which has been associated with Tarlov cysts in some case reports
Why this happens: These nerve roots carry both motor and autonomic fibers, making them responsible for voluntary muscle control as well as involuntary organ functions.
S2 – Legs & Feet
S2 also contributes to sensory and motor control of the posteromedial thigh and plantar surface of the feet. Symptoms may include:
- Foot pain, tingling, or cramping
- Atrophy of intrinsic foot muscles (if motor function is impaired)
L5 & S1 – Lower Back, Hips, Legs
These are major nerves for leg movement, sensation, and posture. Common symptoms include:
- Lower back and sacral pain
- Pain or numbness in hips, legs, or feet (often sciatic-like)
- Piriformis muscle pain
- Leg weakness or cramping
- Walking difficulty, especially uphill (neurogenic claudication)
- Weakness in:
– Foot dorsiflexion (L5 – difficulty lifting toes; possible foot drop)
– Foot plantarflexion (S1 – difficulty pushing off with toes)
Tarlov Cyst Symptoms by Nerve Root
L1–L4 – Upper Legs & Hips
Involves hip flexors and knee extensors. Symptoms may include:
- Pain, tingling, or burning in the upper legs
- Hip instability or knee weakness
Thoracic Nerves – Upper Back & Ribs
Less commonly affected, but when involved, can produce symptoms such as:
- Pain or burning in the upper back
- Rib cage pain (intercostal neuralgia)
Cervical Nerves – Neck, Arms, Hands
Cysts in the cervical spine are rare but documented. Symptoms include:
- Pain in the neck, trapezius, or shoulders
- Numbness or tingling in the arms or hands
- Grip weakness or loss of fine motor control
Brain-Related Symptoms
Tarlov Cysts themselves do not form in the brain—but if they cause cerebrospinal fluid (CSF) pressure imbalances, patients may experience symptoms such as:
- Pressure headaches
- Migraines that worsen when standing or sitting upright
- Symptoms of intracranial hypertension or CSF leaks
How to Use This Information
If you’ve been diagnosed with Tarlov Cysts, or suspect your symptoms may be related to them, this kind of nerve-specific mapping can help you:
Advocate for targeted imaging
Push for a symptom-based diagnosis
Understand which specialists might be most helpful
Explain your symptoms with anatomical precision
Diagnostic Resource
Want to know how doctors determine if a cyst is symptomatic? Visit our Support section to download the Tarlov Cyst Disease Diagnostics Poster—an evidence-based visual tool to take to your medical appointments.
The location of your Tarlov cysts matters. The symptoms you feel aren’t “mysterious” or psychological—they’re neurological, anatomical, and real. At the Tarlov Cyst Society, we’re committed to simplifying the science, spreading accurate information, and helping patients speak the language of their own bodies.
Have these symptoms? Email us your story at: info@tarlovcystsociety.com
Focus Tag: tarlov cyst symptoms
Sources & Supporting Literature
- Lucantoni et al., Surgical Management of Symptomatic Tarlov Cysts – J Spine Surg, 2019
- Cameron et al., Tarlov Cysts – Radiographics, 1999
- Siddiq et al., Perineural Cysts of the Sacral Nerve Roots – J Neurosurg Spine, 2014
- Voyadzis et al., Tarlov Cysts: Surgical Treatment and Outcomes – Surg Neurol, 2001
- Komisaruk et al., Pathophysiology of Persistent Genital Arousal Disorder – J Sex Med, 2015
- [Standring S, *Gray’s Anatomy: The Anatomical Basis of Clinical Practice*, 41st Ed.]
- Long, D. M. et al., Surgical treatment of perineural cysts – J Neurosurg, 1992
- [Beculic et al., Operative Treatment of Tarlov Cysts – Global Spine Journal, 2025]
- Marquardt et al., Thoracic Perineural Cysts: Case Study – Spine J, 2016
10. Heiss JD et al., Pathophysiology of Tarlov Cysts – NIH Clinical Study, 2018
11. Schievink WI, Spontaneous Spinal CSF Leaks and Intracranial Hypotension – JAMA, 2006
