Probably not, but your doctor is most likely speaking from his experience.
My AN was measured in centameters, specifically 1.4 x 1.6 x 1.8.  Than seemed small enough for me to wait fo 5 months to have surgery, expeciall after being told of the growth rate, (.5 to 1mm / month).  Using that figure, I should now be about 1/6 x 1.8 x 2cm or 2.1 x 2.3 x 2.5cm.  Hope it's not the later.
My symptoms have not changed much.  My hearing is most definately worse, but I have adapted.  My vertigo is worse, but again I have adapted.  Bottom line is I am 28 days away from surgery, scared to death but want it done.
You have what is classified as a small AN.  The
expected growth rate is slow.  But you
do have symptoms.  The doctors at House may come up with a totally different perspective that your other physician, hence the benefit of a "second opinion".  Yes a microscopic splinter can cause the whoel finger to not only be sore, but develop a huge infection.  The small AN could be in just the right spot to cause you many problems.. Hope not!  Wait for the consult from House..  Good luck.