Welcome to the 13th case of the Skeleton Key Group, a team of twenty -odd nephrology fellows who work together to build a monthly education package for Renal Fellow Network. The cases are actual cases (without patient identifying information) that…
The close relationship between extracellular (free) calcium concentration and parathyroid hormone (PTH) is tightly sensed by the calcium-sensing receptor (CaSR) expressed at the membrane of parathyroid cells. This control is so well regulated that even a small increase…
A 62-year-old man with CKD stage 3 secondary to presumed hypertension presented with new-onset hypercalcemia. PTH level was low at 11 and abdominal imaging revealed a right renal mass that later was confirmed to be a renal cell…
