Conversation: The conversation between human and AI assistant.
[|Human|] Lump in anterior thigh, about 3 inches above knee. Pain and numbness increase in intensity with increased weight bearing and exercise, and then chicken skin, blue thigh, and stabbing pains occur. MRI results stated all was clear, but there is a black area in the exact location on the films as where the lump in the thigh is. Been over 3 years with no diagnosis or help yet...please help.
[|AI|]  Welcome to Chat Doctor .1. The possible causes I can think of is vascular pathology like deep vein thrombosis which gives similar symptoms.2. In this case if you are my patient I would have asked for a Doppler study of the whole limp including the lump / lesion area.3. The scan will help to evaluate the nature of the lesion, where its source and extensions.4.If you can be a localized infection in subcutaneous plane or radiating pain from the spine - also need to be assessed. 5. Depending on the finding treatment can be initiated. Good luck. Hope it helps you. Wish you a good health. Anything to ask ? Do not hesitate. Thank you.