Painful muscle fibrosis following synthol injections in a bodybuilder: A case report

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Introduction: Synthol is a site enhancement oil used by bodybuilders to boost the cosmetic appearance of muscles. Here, we describe the case of a patient with severe side effects following repeated intramuscular injections of synthol in his right biceps muscle. Case presentation: A 29-year-old Middle Eastern male bodybuilder, following intramuscular injections of synthol five years ago, presented with painful pressure in his right upper arm. On presentation to our clinic, his muscle appeared disfigured. Magnetic resonance imaging revealed scattered cystic fatty lesions in the muscle. The affected part was surgically removed and histopathology showed inflammatory changes with fibrosis and a so-called Swiss cheese pattern. Conclusion: Synthol injections that are used for the short-term enhancement of muscle appearance by bodybuilders bear the danger of long-term painful muscle fibrosis and disfigurement. © 2012 Ghandourah et al.; licensee BioMed Central Ltd.




Ghandourah, S., Hofer, M. J., Kieling, A., El-Zayat, B., & Schofer, M. D. (2012). Painful muscle fibrosis following synthol injections in a bodybuilder: A case report. Journal of Medical Case Reports, 6.

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