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Dermatology  (Expert Forum)
 | 
Rash?
Answered by
Alan Rockoff, MD - dermatology, Child Skin Problems
The Rockoff Dermatology Center Brookline - MA
Welcome to the DERMATOLOGY FORUM! Questions in this forum are answered by Dermatologists from St. Luke's Roosevelt Hospital, under the direction of Andrew Alexis, M.D., M.P.H.

Rash?

by paranoid?, May 04, 2004 12:00AM
Hi Doc,

I really appreciate you explaining to me information on morphea.  Thank you for the article I read it and have a better understanding.

Unforunately, my dermatologist isn't available until next week and I am very curious, plus I want to ask her many questions.

As I stated before my biopsies have not come back yet and wont until another week or so.

But I remember her asking me if my fingers get white when I am in the cold.  So I am assuming she is thinking of the systematic scleroderma.

Now my question to you is.  I presented with these two rashes, one on my right upper arm (brown pigmenation) had it for years, I don't remember it ever being hard or any other color, but who knows.

My rash on my left buttock I have noticed for about a month or so, covers alot of it. However I've noticed that sometimes it aches, not anymore.  Not hard.  Doesn't itch or anything.  It is reddish/purpleish, but now is kind of faint.

I had a ANA test, everything came back negative.
C3 Complement - negative
C4 complement - negative
Rheumatoid Factor - negative
Ribosomal P Protein Ab - negative
Blood work, CBC and glucose, everything came out negative

I read symptons on sytematic scleroderma and I don't feel like I have them, but who knows.  I read when you biopsy,  morphea and scleroderma have common elements, so it is also a clinical diagnosis for systematic scleroderma.  What do you think?
I know you haven't seen me personally.  But she didn't ask me alot questions, other than if anyone in my family has lupus (no), arthitis (no), if my fingers get white in cold.  I guess I am just trying to ease my mind.

Thank you, again.  

by Alan Rockoff, MD, May 05, 2004 12:00AM
Whiteness of the fingers, presumably in the cold, is usually Raynaud's phenomenon, a common complaint unrelated to systemic causes.  It could be that the buttock rash is also morphea, but it also could be entirely unrelated, especially since morphea advances very slowly, and it would take a very long time--months to years--to cover that much skin, and it seems unlikely that you would have overlooked it that long.

All the negative tests argue against systemic involvement.

Best.

Dr. Rockoff
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