PMC7076135_01
A. Intraoperative hand appearance of an 53-year-old previously healthy man (Aquatic merchant), location of firm mass (black arrow) B. inflammatory granuloma on central proximal side of dorsal hand (black arrow) C. inflammatory granuloma on the distal ulnar side of dorsal hand (black arrow) D. All infected material was debrided E and F. postoperative hand appearance the patient regained full functionality in the right hand without limitations G. Scanning electron microscope of M. chubuense (Magnification  10 K) H. Histological specimen from the surgically excised tissue demonstrating necrotizing granulomatous inflammation. (magnification  10).
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Alarge amount of tawny inflammatory granuloma and diffuse synovitis under the skin and along the extensor tendon (Fig. 1A-D). Histological specimen from the surgically excised tissue demonstrated necrotizing granulomatous inflammation (Fig. 1H). Scanning electron microscope showed the structural characteristics of Mycobacterium chubuense (Fig. 1G).