Cutaneous Crospovidone: A Newly Described Foreign Body Due to Illicit Drug Abuse.

Authors:
Brian S Hoyt
Brian S Hoyt
University of Texas Medical School at Houston
United States
Shaofeng Yan
Shaofeng Yan
Seattle Biomedical Research Institute
United States

Am J Dermatopathol 2019 Feb 22. Epub 2019 Feb 22.

Division of Dermatopathology, Department of Pathology and Laboratory Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH.

Crospovidone, a polymer of poly N-vinyl-2-pyrrolidone, is an inert insoluble disintegrant found in pharmaceutical tablets. This material has been encountered in the lungs of intravenous drug users and embolized with other components such as talc and microcrystalline cellulose. More recently, crospovidone has also been described in the gastrointestinal tract. We present 2 cases of cutaneous crospovidone deposition resulting from subcutaneous injection of crushed tablets, commonly known as "skin popping." Clinical presentation includes painful, inflamed papules, nodules, or ulcers with overlying eschar. Crospovidone has a distinct and reproducible histochemical staining profile. Histologic recognition of this material is important because it can guide clinicians in their diagnosis and management decisions.

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http://dx.doi.org/10.1097/DAD.0000000000001374DOI Listing
February 2019
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