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A 30-year-old male asked:

some petechiae(doc confirmed) on trunk/left arm. cbc shows mildly low mchc (31.4)& mildly high mpv (11.6). wbc w/diff,rbc,platelets,etc ok. worrisome?

3 doctor answers • 7 doctors weighed in
Dr. John Goldman
Dr. John Goldman answered
Rheumatology 55 years experience
May not be worrisom: We would to know a lot more to say if this is a problem. What medications do you take, what other medical problems do you have. These could occur for a variety of reasons and you would need other testing as this may be simple like trauma or more related to an internal medical problem.
2052 viewsReviewed >2 years ago
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Dr. John Feola
Dr. Natalie Hodge
Dr. Roy Arnold
Dr. John Feola and 3 doctors agree4 doctors agree
1 comment
Dr. James Blachly
Dr. James Blachly commented
Specializes in Hematology and Oncology
That MPV is pretty close to normal.
Nov 2, 2015
Dr. Michael Ekizian
A Verified Doctor answered
A US doctor answered Learn more
Strange: I find it odd that your doctor told you that you have petechiae, didn't bother to take a history, and then jumped straight to laboratory studies. If you do have petechiae, it might be a cutaneous vasculitis. If so, your doctor should determine what the cause is and whether other organs are involved. They may also result from trauma or arthropod bites, though. MCHC and MPV values are insignificant.
2052 viewsAnswered >2 years ago
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Dr. Karen Dantin
Dr. Karen Dantin answered
Family Medicine 37 years experience
No: But may want to be some other tests like vitamin C, D and thyroid levels.
2052 viewsAnswered >2 years ago
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Last updated Jul 3, 2017

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