Could cervical issues cause extreme hand pain without arm pain. only slight numbness, pain in palm, index finger knuckle , starting in other hand too?

Hand pain: The short answer to your question is yes. The longer answer is that there are various sources of hand painn, ranging from the spine to the thoracic outlet region to nerve compression in the forearm or more commonly also the wrist. The answer to the site of the problem can be determined by a careful neurologist possibly including electrical sudies of the nerves. See your neurologist.

Absolutely: Cervical spine issues can cause the symptoms you describe. It all depends on the level of the nerve root(s) involved. However, the most common causes of your symptoms include carpal tunnel syndrome and trigger finger. See you primary care physician or hand surgeon for a complete evaluation. You may also need to see a neurologist and spine surgeon.

Possibly: Yes, the nerves that supply your hand run through the neck and compression in the neck can therefore cause hand pain and/or numbness. The other main cause is a problem in the hand itself. Don't hesitate to be seen. A nerve conduction test can be helpful as well.