Abstract Title:

Hypercalcemia associated with mineral oil-induced sclerosing paraffinomas.

Abstract Source:

Endocr Pract. 2013 Mar-Apr;19(2):e50-6. PMID: 23337133

Abstract Author(s):

Andreas G Moraitis, Martin Hewison, Michael Collins, Candido Anaya, Michael F Holick

Article Affiliation:

Andreas G Moraitis


OBJECTIVE: Granuloma-forming diseases such as sarcoidosis are associated with extrarenal synthesis of 1,25-dihydroxyvitamin D [1,25(OH)₂D]. We describe a case of extensive skin lesions associated with mineral oil injections in which we provide evidence for cutaneous granuloma synthesis of 1,25(OH)₂D in the pathogenesis of the patient's hypercalcemia.

METHODS: Analysis of expression of the 25(OH)D-1a-hydroxylase (1-a OHase [CYP27b1]) was carried out by immunohistochemical analysis of involved skin.

RESULTS: In involved skin, expression of CYP27b1 was found in the dermis, where it is not normally expressed. Successful management of hypercalcemia was achieved with glucocorticoids.

CONCLUSIONS: Hypercalcemia associated with mineral oil induced skin lesions is likely driven by unregulated expression of CYP27b1 by inflammatory monocytes and macrophages infiltrating the dermis.

Study Type : Human: Case Report
Additional Links
Problem Substances : Mineral Oil : CK(195) : AC(45)

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