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A 16-year-old female asked:

My thumb pad turns purple and my wrist becomes painful when i put pressure on it. nothing appears in imaging tests. does anyone know what this is?

4 doctor answers6 doctors weighed in
Dr. Magdy Shaaban
Hematology and Oncology 41 years experience
Hematoma: could be hematoma.from trauma. the trauma could be trivial that you dont remember. like twisting the thumb for example
Dr. Rebecca Gliksman
Internal Medicine 38 years experience
Wrist pain thumb prp: Consider DeQuervains or a variant of Raynaud's an autoimmune phenomena ( check sed rate CRP) or a anomaly of the radial artery ( check doppler arterial study-) especially if it was instrumented at one time. Consider MRI of wrist may have cyst impinging on vessal f/u with doc rheumatologist
Dr. Jose J Monsivais
Hand Surgery 50 years experience
Glomus tumor should be considered . Specially if triggered by temperature changes, physical exam is the best tool, followed by high resolution MRI
Jul 4, 2015
Dr. Umesh Patel
Preventive Medicine 42 years experience
Dysautonomia: Dysautonomia syndrome causes different symptoms alleviated by avoidance of stimulants, ensuring hydration, using magnesium, vitamin D & omega fish oils (www.cardiamin.com, use code: CMC), low dose beta blockers e.g. propranolol 5 to 10mg 2 to 3 times daily and SSRIs e.g. citalopram 5 to 10mg daily. Read Dr. Ronald Hoffman’s MVP book (www.Amazon.com) and visit www.dysautonomiainternational.com.
Dr. Umesh Patel
Dr. Umesh Patel commented
Preventive Medicine 42 years experience
Provided original answer
Raynaud's syndrome may also cause intermittent change in color of extremities in response to repetitive injury eg overuse of limb or exposure to cool temperatures. Many dysautonomic patients have this associated condition.
Jul 6, 2015
Dr. John Goldman
Rheumatology 55 years experience
It could be vascular: The purple thumb suggest this could be vascular. I'm uncertain where you put the pressure to cause it to turn purple. There are other structures in the wrist we might also consider. You need to discuss this with your physician, but it may be more physiologic there anything that is pathologic

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Last updated Jul 6, 2015

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