2020
DOI: 10.11613/bm.2020.030801
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A rare case of tuberculosis-induced hypercalcemia

Abstract: Laboratory investigations of hypercalcemia involve testing of various biochemical parameters such as parathyroid hormone (PTH), 25-(OH) Vitamin D (25-(OH) VitD), 1,25-(OH)2 Vitamin D3 (calcitriol) and PTH related peptide (PTHrp). We herein present an atypical case of severe hypercalcemia in a patient with rheumatoid arthritis who has been treated for years by various biological disease-modifying antirheumatic drugs (DMARDs) and suddenly presented with general state alteration, oedema and ulceration of her righ… Show more

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Cited by 4 publications
(2 citation statements)
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“…TB is one of the granulomatous diseases that alter the status of the plasma concentration of serum calcium [38]. While some studies report TB-associated hypercalcemia [39,40], others report hypocalcemia [41,42]. In the present study, most TB patients (88.9%) presented hypocalcemia, while 5.55% had hypercalcemia.…”
Section: Discussionsupporting
confidence: 46%
“…TB is one of the granulomatous diseases that alter the status of the plasma concentration of serum calcium [38]. While some studies report TB-associated hypercalcemia [39,40], others report hypocalcemia [41,42]. In the present study, most TB patients (88.9%) presented hypocalcemia, while 5.55% had hypercalcemia.…”
Section: Discussionsupporting
confidence: 46%
“…Our report revealed elevated calcitriol levels and normal 25-(OH) Vitamin D levels. Wauthier L et al [10] offered a similar interpretation and described an exceptional occurrence of hypercalcemia in the context of disseminated TB in a patient with rheumatoid arthritis. A stimulated 1-hydroxylase activity of the macrophages within the granulomatous response sites of tuberculosis patients can be the cause of this rise in calcitriol concentrations.…”
Section: Discussionmentioning
confidence: 82%