Abstract
A lipogranuloma is a complication of injecting exogenous oily composites, forming a nodule composed of foreign body histiocytes. These may be seen in the setting of use of anabolic steroids. We present a case of a 52-year-old male with rapidly growing intramuscular masses with accompanying lymphadenopathy and constitutional symptoms. A diagnosis of lymphoma was initially made in view of the multifocal nature of his disease. CT and PET/CT scans were used to profile the extent of disease. However, US-guided biopsy samples demonstrated acute-on-chronic fibro-inflammatory connective tissue, but no evidence of malignancy. A follow-up CT scan showed resolution of most of these masses. Subsequently, a history of self-injected anabolic steroids was obtained. Familiarity of imaging characteristics of lipogranuloma may be helpful in avoiding the pitfall of misdiagnosis in this clinical setting.
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Acknowledgments
We would like to thank Dr. Gang Wang, Dr. Hugue A. Ouellette and Dr. Peter L. Munk for their contributions to this paper.
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Karp, J., Jayaram, P.R., Walsh, J. et al. An uncommon lymphoma mimic: lipogranulomas. Skeletal Radiol 49, 2069–2072 (2020). https://doi.org/10.1007/s00256-020-03502-z
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DOI: https://doi.org/10.1007/s00256-020-03502-z