How Big is that Coccyx Mass, Cyst, Tumor, or Cancer?

Sometimes I find that my patients with tailbone pain (coccyx pain, coccydynia) actually have a mass, cyst, tumor, or cancer either within the tailbone itself or in the nearby tissues. Examples can include pilonidal cyst, retro-rectal hamartoma (tailgut cyst), chordoma (a type of bone cancer that tends to happen at the coccyx and is […]

Tailbone X-Rays (Coccyx X-Rays), NOT Lumbar

The Tailbone (Coccyx) is NOT the Same as the Lumbar Spine. Practically every day, patients with tailbone pain come to see me from around the country or from around the world. Many have faced a similar challenge regarding imaging studies. Specifically, it is unfortunately VERY common that the patient has tailbone pain (coccyx pain, coccydynia), […]

Sit-Stand Coccyx / Tailbone X-rays After Coccygectomy?

I was recently asked: Do I order sitting-versus-standing coccyx x-rays for patients who have persistent pain after coccygectomy (surgical removal of the coccyx/tailbone).

MY RESPONSE:

1) First of all, do we know for sure whether the ENTIRE tailbone has indeed been surgically removed?

If we know for sure that the entire tailbone has been […]

Tailbone MRI Versus CT scan for Coccyx Pain

Which is better when evaluating tailbone pain (coccyx pain), an MRI or a CT scan? CT scan can be very good at showing bone, but MRI can show not only bone but ALSO give good definition of soft tissue structures. Some of the soft tissue structures that show up clearly on MRI include: abscess (which […]

Thin Sagittal images for Tailbone MRI or CT scans

MRI and CT scans take images similar to taking a series of slices. Imagine a block of cheese on a slicing machine in a delicatessen. You could slice the block of cheese from left to right, from top to bottom, or from front to back.

In medical imaging, there are different terms for […]

10 Videos on Tailbone Pain (Coccyx Pain)

See 10 videos on Tailbone Pain

Here is the link to Play all 10 videos on Tailbone Pain

Here are the individual videos (click to play):

Do you have TAILBONE PAIN (Coccyx Pain)?

Describe TAILBONE PAIN (Coccyx Pain)

TAILBONE PAIN During PREGNANCY

Cushions for Tailbone Pain, Coccyx Pain

Coccyx X-rays for TAILBONE PAIN

SOFT surface […]

Physicians who will Not do a Physical Exam for Tailbone Pain

It is unfortunately common that patients tell me that the prior physician treating their tailbone pain never actually examined their tailbone. It is crazy to that a doctor would be providing medical care for a specific musculoskeletal location and yet not have the time or skills to perform a basic physical exam of the […]

Can a Lumbar Disc cause Tailbone Pain?

If an MRI shows that there is a lumbar disc herniation, could this be the cause of your tailbone pain?

Usually not.

Lumbar disc “abnormalities” “Abnormalities” in the lumbar discs are very very commonly seen on MRI studies. Sometimes these abnormal-looking discs may cause symptoms such as low back pain or nerve pain that travels […]

Tailbone MRI: T1 vs T2 / STIR images on coccyx MRI

MRI studies of the tailbone show lots of details of the anatomy of the coccyx region.

But the doctor needs to know which images to look at for the different types of details that can be seen.

T-1 images are best for looking at bony structures like the actual bones of the tailbone (coccyx). T-2 […]

Was the Tailbone even included in the Tailbone Imaging studies?

For people with Tailbone Pain, the x-rays/MRI/CT-scans often FAIL to even include the Tailbone, even though that is the source of the person’s pain Many patients experience frustration with finding out that their local radiologists/doctors did not even include the tailbone in their imaging studies. As crazy as that is, unfortunately I see this essentially […]

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