Abstract: The data of 7 patients with Mycobacterium abscessus infection from December 2018 to December 2019 were analyzed retrospectively. All patients underwent cosmetic injections in informal hospitals, and the postoperative injection site was infected with Mycobacterium abscessus.  All of the seven patients with mutiple lesions presented with erythema, nodule, abscess and ulceration after cosmetic injection. The biopsy of lesions showed infectious granulomas. The Mycobacterium abscessus was found in the pus of 6 patients and was indentified in skin lesionin one patient through PCR amplification. The diagnosis of Mycobacterium abscess infection was made and the lesions were subside after treated with clarithromycin, rifampicin, levofloxacin, and no recurrence after half a year follow-up.

Key words: cosmetology, injection, Mycobacterium abscessus, infection