Name: ___________ Class: ___
Patient History: A ten year old boy is admitted into the hospital with a fever, fatigue, facial rash with malar distribution, purplish discoloration on the extremities, and decreased complement. He also has a painless oral ulceration and slightly elevated levels of TSH. He has no joint pain or swelling. UA showed +3 blood in urine. BUN and Creatinine were normal. Hematology tests showed that he has normocytic anemia and lymphopenia.
1. Define lymphopenia and list three conditions in which this might be observed.
2. What diseases are blood in the urine (hematuria) indicative of?
3. Why were BUN and creatinine tests performed?
4. What is malar distribution and