Vitamin D-dependent rickets type 2 in a four-month-old cat |
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Authors: | Schreiner C Alan Nagode Larry A |
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Affiliation: | Cascade Veterinary Specialists, 660 NW Gilman Blvd, Issaquah, WA 98027, USA. |
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Abstract: | Vitamin D-dependent rickets type 2 in a four-month-old cat A 4-month-old male domestic shorthair cat was examined because of lethargy, vomiting, diarrhea, muscle tremors, and mydriasis. Laboratory evaluation revealed hypocalcemia, hyperphosphatemia, and high intact parathormone and calcitriol concentrations. Findings were compatible with a diagnosis of vitamin D-dependent rickets type 2. Treatment consisted of oral administration of calcium and calcitriol supplements. During the subsequent 18 months, the cat remained clinically normal. Treatment with oral calcium supplements was eventually discontinued, and the cat was able to maintain serum calcium concentrations within reference limits. |
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