21-year-old woman with abdominal pain

A 21-year-old woman presented with lower abdominal pain, melena, and fatigue. The patient has a history of tubulointerstitial nephritis, status pos…

73-year-old woman with back pain

A 73-year-old woman with a past medical history of hypertension and type 2 diabetes presented with two weeks of worsening low back pain, exacerbate…