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Clinical Chemistry 35: 183-185, 1989;
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Clinical Chemistry, Vol 35, 183-185, Copyright © 1989 by American Association for Clinical Chemistry

Tumoral calcinosis: seasonal biochemical studies and chemical studies of eyelid lesion

DE Bruns, AL Boskey, W Lieb, BP Conway, J Savory and MR Wills
Department of Pathology, University of Virginia School of Medicine, Charlottesville 22908.

We recently described (Arch Ophthalmol 1988; 106:725-6) the presence of unique calcific lesions in the eyelids of a young woman with a history of hyperphosphatemic tumoral calcinosis. Here we document that no immediate family members showed similar lesions and that none was hyperphosphatemic. Dental roentgenography revealed characteristic abnormalities in the patient that confirmed the clinical diagnosis of tumoral calcinosis. Seasonal biochemical studies demonstrated persistently increased concentrations of phosphorus and 1,25- dihydroxyvitamin D in her serum. A calcific eyelid excrescence removed from the patient, studied by x-ray diffraction, was found to consist of crystals of hydroxyapatite. Microprobe analysis indicated the major elements in the deposit to be Ca, P, S, and Cl, just as in the periarticular deposits found in tumoral calcinosis. The Ca concentration in the patient's tear fluid, measured by atomic absorption spectrometry, was within the range found in tears of healthy volunteers. Phosphorus was undetectable (less than 30 mumol/L) in tears of the patient and the volunteers. These findings suggest that the eyelid lesions represent a new manifestation of the pathological process that produces the characteristic periarticular calcific masses of tumoral calcinosis.


The following articles in journals at HighWire Press have cited this article:


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 J. Clin. Endocrinol. Metab.Home page
S. Ichikawa, E. A. Imel, A. H. Sorenson, R. Severe, P. Knudson, G. J. Harris, J. L. Shaker, and M. J. Econs
Tumoral Calcinosis Presenting with Eyelid Calcifications due to Novel Missense Mutations in the Glycosyl Transferase Domain of the GALNT3 Gene
J. Clin. Endocrinol. Metab., November 1, 2006; 91(11): 4472 - 4475.
[Abstract] [Full Text] [PDF]


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Copyright © 1989 by the American Association for Clinical Chemistry.