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J Community Hosp Intern Med Perspect. 2016 Apr 25;6(2):30381. doi: 10.3402/jchimp.v6.30381. eCollection 2016.

Calcitriol-mediated hypercalcemia in a patient with bilateral adrenal non-Hodgkin's B-cell lymphoma case report.

Journal of community hospital internal medicine perspectives

Ana Abaroa-Salvatierra, Bilal Shaikh, Mrunalini Deshmukh, Richard Alweis, Arti Patel

Affiliations

  1. Department of Internal Medicine, Reading Health System, West Reading, PA, USA; [email protected].
  2. Department of Internal Medicine, Reading Health System, West Reading, PA, USA.
  3. Department of Endocrinology and Diabetes Center, Reading Health System, West Reading, PA, USA.

PMID: 27124160 PMCID: PMC4857720 DOI: 10.3402/jchimp.v6.30381

Abstract

Calcitriol-mediated hypercalcemia is a frequent manifestation of hematological malignancies. However, there are a few reports of cases presenting with increased angiotensin-converting enzyme (ACE) level, which suggests a possible mechanism similar to that of granulomatous diseases. We present a patient with hypercalcemia, normal parathyroid hormone, and parathyroid hormone-related protein levels but high calcitriol and ACE levels that, after further investigation, was diagnosed with bilateral adrenal non-Hodgkin's B-cell lymphoma. Primary adrenal lymphoma represents only 1% of all non-Hodgkin's lymphomas and is usually asymptomatic but should be considered by clinicians among the malignancies that cause calcitriol-mediated hypercalcemia.

Keywords: calcitriol-mediated hypercalcemia; non-Hodgkin’s lymphoma; primary adrenal lymphoma

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