00:01
Okay, this question here says, a 67 year old woman goes to the physician because of a two -month history of weakness and pain of the muscles.
00:09
So there is weakness and muscle pain.
00:11
It says physical examination shows proximal muscle weakness and tenderness to palpation.
00:16
There is a large palpable gyrate agnesal mass that was not present during her last examination one year ago.
00:23
Laboratory studies show an esr of 120 mmhg.
00:32
So this is increased.
00:33
So the esr is increased.
00:38
And it says, which of the following findings is most likely on examination of a muscle biopsy specimen? do you have fiber type grouping, myositis, non -cascading granulomas, gout, wet fibers or vascularis? so in this case, there is practically all of these suggestive of a systemic autoimmune condition.
00:59
So in this case, the most likely answer is going to be myositis.
01:09
So myositis is a group of conditions actually that involves inflammation of muscle tissue.
01:17
So these are a type of autoimmune diseases that are often related with other conditions...
