Brief Answer:
List of possibilities ma'am, unfortunately cannot narrow it down to any one

Detailed Answer:
Hello ma'am and welcome.

Thank you for writing to us.

I have gone through your query with diligence and would like you to know that I am here to help. Well ma'am, as this is a bilateral issue I do have a few possibilities, but cannot be sure of what exactly could be causing this presentation as this can be predicted only after an elaborate evaluation.

The list of causes include:

+Vascular abnormalities
+Diabetes
+Exercise related plantar fasciitis
+Bone spurs causing complications (e.g. calcaneal neuritis, calcaneal bone injuries, etc.)
+Bone cysts
+Bone bruise
+Fat pad syndrome
+Nerve entrapment
+Arthritis
+Osteomalacia
+Tarsal tunnel syndrome
and a few others.

I hope you understand why it is difficult to come forward with an accurate diagnosis without a physical examination and more investigations to help reach a precise diagnosis. I would thus recommend a doctors appointment to help you find the cause and accordingly treat it. I also hope you find my response helpful, and not hesitate to write back to me for any further clarifications, as I am always here to help.

Best wishes.

---

Brief Answer:
My sincere apologies for the delay; heel injury=fat pad syndrome

Detailed Answer:
Hello once again.

Firstly, my sincere apologies for the delay as I had some personal commitments, I hope you can forgive me.

Fat lad syndrome is a very rare condition that takes place in sportspersons. This is one condition that is often misdiagnosed to be plantar fasciitis, and is usually swelling in the heel of the foot. Symptoms are mainly attributed to the heel of the foot with pain, difficulty walking, etc; but due to the injured heel of the foot some individuals can feel different sensations around the toes and the centre of the foot.

I hope I have explained things in a manner best understood by you. Please do forgive me for the delayed response, and I would like you to know that I am always here to write to you, and the delay shall not happen again.

Best wishes.

---