When systemic vasculitis is suspected, the diagnostic work-up can be approached in a stepwise fashion: 1  Attempt to exclude other processes, particularly infection, thrombosis and neoplasia, that can cause secondary vasculitis or can have features that mimic vasculitis,5,6 (Table 3).
Q: What is the regulation height for a mailbox? A: According to the United States Postal Service, a mailbox should be positioned between 41 and 45 inches above the ground level. A mailbox should also be pla... Full Answer > Filed Under: Mail & Shipping.
To keep the mailbox upright, it is recommended that the mailbox be 24 inches underground. Since the road and the curb conditions change from city to city and state to state, the USPS asks that people contact their local postmaster to ask for approval.