case_images: PMC8742584_01
case_images: Macroscopic observation of the lesions. Periumbilical region (a), left arm (b).
case_images: acmi-3-0280-g001.jpg
case_images: PMC8742584_01_acmi-3-0280-g001.jpg
case_images: F1
case_images: During the clinical examination, painful, erythematous-violet subcutaneous nodules in the periumbilical region and left arm were found (Fig. 1).
case_images: Excision biopsy of the skin lesions.
case_images: acmi-3-0280-g002.jpg
case_images: PMC8742584_01_acmi-3-0280-g002.jpg
case_images: F2
case_images: After the excision biopsy of the skin lesions (Fig. 2), samples were sent to the laboratory.
case_images: Ziehl-Neelsen staining of the thioglycollate enrichment medium. We observe BAAR.
case_images: acmi-3-0280-g003.jpg
case_images: PMC8742584_01_acmi-3-0280-g003.jpg
case_images: F3
case_images: The Ziehl-Neelsen staining was negative for BAAR, and the PAS-Hematoxylin staining negative for fungal elements, giving the diagnosis of granulomatous hypodermitis with probable infectious aetiology (Fig. 3).
case_images: Mycobacterium abscessus
  
   colonies on blood agar 5 days after incubation.
case_images: acmi-3-0280-g004.jpg
case_images: PMC8742584_01_acmi-3-0280-g004.jpg
case_images: F4