18 October 2021
: Case report 
Hypercalcemia and CYP24A1 Gene Mutation Diagnosed in the 2nd Trimester of a Twin Pregnancy: A Case Report
Challenging differential diagnosis, Unusual setting of medical care, Rare disease, Clinical situation which can not be reproduced for ethical reasons
Andris Romašovs12ABCDEF*, Lauma Jaunozola1DF, Egija Berga-Švītiņa3CF, Zanda Daneberga3CF, Edvīns Miklaševičs3CD, Valdis Pīrāgs12AEFDOI: 10.12659/AJCR.931116
Am J Case Rep 2021; 22:e931116
Figure 1. Laboratory approach to the diagnosis of hypercalcemia in pregnancy. BMD – bone mineral density; eGFR – estimated glomerular filtration rate; Li – lithium therapy; MAH – malignancy-associated hypercalcemia; PHPT – primary hyperparathyroidism; SPEP – serum protein electrophoresis; UPEP – urine protein electrophoresis. Used with permission from “Approach to Hypercalcemia,” by Goltzman D, Feingold KR, Anawalt B, et al. Endotext. 2019. Copyright by South Dartmouth [MA]: MDText.com, Inc. https://www.ncbi.nlm.nih.gov/books/NBK279129/) [8].