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Cutaneous calcification following liver transplantation
S Lateo1, F Charlton, M Hudson
1Department of Dermatology, Royal Victoria Infirmary, Newcastle upon Tyne, UK. slateo@doctors.org.uk
Clinical and Experimental Dermatology
|July 28, 2005
Summary
Skin calcification after liver transplant is rare. This case suggests transient, undetected calcium-phosphate level spikes, not just direct IV calcium, may cause calcinosis cutis in transplant patients.
Area of Science:
- Nephrology
- Dermatology
- Transplantation Medicine
Background:
- Ectopic calcification post-liver transplant typically affects internal organs.
- Skin involvement, or calcinosis cutis, is infrequently reported.
- Pathogenesis remains unclear, with theories including dystrophic or metastatic calcification.
Observation:
- A 22-year-old female liver transplant recipient developed calcinosis cutis.
- Calcifications appeared at sites without direct intravenous calcium administration.
- Serum calcium levels were generally normal or low, with a transient postoperative rise.
Findings:
- The case challenges the notion that direct intravenous calcium administration is the sole cause of calcinosis cutis.
- Serum calcium and phosphate levels were mostly within normal limits, supporting transient, undetected elevations.
- This supports hypotheses implicating short-lived, subclinical hyperphosphatemia or hypercalcemia.
Implications:
- Understanding the pathogenesis of calcinosis cutis in transplant recipients is crucial for patient management.
- Monitoring calcium-phosphate product, even transiently, may be important post-transplantation.
- Further research is needed to elucidate the precise mechanisms of ectopic calcification in this population.