Wiley Acta Medica Okayama 2050-0904 11 12 2023 Nontuberculous mycobacterial abscess of lacrimal sac and eyelid debridement: Case report e8364 EN Toshihiko Matsuo Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University Takehiro Tanaka Department of Pathology, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University Kiyoshi Yamada Department of Plastic and Reconstructive Surgery, Okayama University Hospital Motoko Nose Department of Clinical Laboratory, Okayama University Hospital Yasushi Tanimoto Department of Allergy and Respiratory Medicine, Okayama University Hospital A 56-year-old otherwise healthy woman developed abscess from dacryocystitis in the right lower eyelid. The smear of puncture fluid showed acid-fast bacilli and Mycobacterium abscessus was identified after a month. The early start of clarithromycin/ethambutol was switched to clarithromycin/levofloxacin. Debridement specimen after 7-month treatment showed granulomatous tissue with no bacilli. No potential conflict of interest relevant to this article was reported.