• Jennifer McIntosh, Jacob Lauer, Ravindu Gunatilake, and Eric Knudtson.
• Department of Obstetrics and Gynecology, University of Oklahoma, Oklahoma City, Oklahoma.
• Obstet Gynecol. 2014 Aug 1; 124 (2 Pt 2 Suppl 1): 461-463.

BackgroundMultiple myeloma is typically a disease found in older women and is a rare diagnosis in pregnancy.CaseA 22-year-old woman, gravida 1 para 0, at 32 3/7 weeks of gestation presented with nausea, vomiting, and rib and back pain. She was hypertensive, anemic, thrombocytopenic, and in acute renal insufficiency, with hypercalcemia and laboratory parameters indicative of pancreatitis. She was admitted to the obstetric intensive care unit with working diagnoses of preeclampsia, pancreatitis, nephrolithiasis, and renal insufficiency. She ultimately was delivered because of declining clinical status, and multiple myeloma eventually was diagnosed as the underlying cause of her myriad of problems.ConclusionMultiple myeloma is unusual during pregnancy. However, in patients with significant and unexplained hypercalcemia, malignancy should remain high on the differential diagnosis.

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